# OBD-II Code, Trouble Code, Error Code, DTC Code


## Posts

- [P001C: "A" Camshaft Profile Control Circuit Low Bank 1](https://obdcode.org/p001c/): What does the P001C Camshaft Profile Control Circuit High Bank 1 mean? The P001C code means the engine computer has detected a higher-than-normal voltage in the “A” camshaft profile control circuit. Because the signal is too high, the ECM cannot correctly control the camshaft profile switching. What Does Bank 1 Mean? On engines with more than one cylinder bank, such as V6 or V8 engines, the engine is divided into Bank 1 and Bank 2. The P001C code applies only to Bank 1 and “A” indicates Intake camshaft. When Does the P001C Code Trigger? The camshaft position sensor measures the […]
- [P001B: "A" Camshaft Profile Control Circuit Low Bank 1](https://obdcode.org/p001b/): What does the P001B Camshaft Profile Control Circuit Low Bank 1 mean? The P001B code means the engine computer has detected a lower-than-normal voltage in the “A” camshaft profile control circuit. Because the signal is too low, the ECM cannot properly operate the camshaft profile control system. What Does Bank 1 Mean? On engines with more than one cylinder bank, such as V6 or V8 engines, the engine is divided into Bank 1 and Bank 2. The P001B code applies only to Bank 1 and “A” indicates Intake camshaft. When Does the P001B Code Trigger? The camshaft position sensor measures […]
- [P001A: "A" Camshaft Profile Control Circuit/Open Bank 1](https://obdcode.org/p001a/): What does the P001A Camshaft Profile Control Circuit/Open Bank 1 mean? The P001A code means the engine computer has detected an open or broken electrical circuit in the camshaft profile control system.Because of this, the ECM cannot properly control the camshaft profile, which affects engine performance. What Does Bank 1 Mean? On engines with more than one cylinder bank, such as V6 or V8 engines, the engine is divided into Bank 1 and Bank 2. The P001A code applies only to Bank 1 and “A” indicates Intake camshaft. When Does the P001A Code Trigger? The camshaft position sensor measures the […]
- [P0014 Code Explained: "B" Camshaft Position - Timing Over-Advanced (Bank 1) – Causes & Fixes](https://obdcode.org/p0014/): What does the P0014 Camshaft Position Timing Over Advanced or System Performance Bank 1 mean? The P0014 code means that the ECM has detected a circuit issue with the solenoid actuator that directs oil pressure to the engine’s Variable Valve Timing system. it indicates an issue with the camshaft position actuator circuit for Bank 1, specifically the exhaust camshaft, is over-advanced. What Does Bank 1 Mean? On engines with more than one cylinder bank, such as V6 or V8 engines, the engine is divided into Bank 1 and Bank 2. The P0014 code applies only to Bank 1 and “B” […]
- [P0013: "B" Camshaft Position Actuator Circuit Bank 1 – Causes & Fixes](https://obdcode.org/p0013/): What does the P0013 “B” Camshaft Position Actuator Circuit Bank 1 mean? The P0013 code means that the ECM has detected a circuit issue with the solenoid actuator that directs oil pressure to the engine’s Variable Valve Timing system. it indicates an issue with the camshaft position actuator circuit for Bank 1, specifically refers to the exhaust camshaft. What Does Bank 1 Mean? On engines with more than one cylinder bank, such as V6 or V8 engines, the engine is divided into Bank 1 and Bank 2. The P0013 code applies only to Bank 1 and “B” indicates Exhaust camshaft. […]
- [P0012: "A" Camshaft Position - Timing Over-Retarded (Bank 1)](https://obdcode.org/p0012/): What does the P0012 Intake Camshaft Position – Timing Over-Retarded Bank 1 mean? P0012 indicates that the Engine Control Module (ECM) has detected the Bank 1 intake camshaft (“A”) is positioned more retarded than commanded. In simple terms, the ECM is trying to move the intake camshaft to a specific position, but the camshaft remains too far behind the target angle. What Does Bank 1 Mean? On engines with more than one cylinder bank, such as V6 or V8 engines, the engine is divided into Bank 1 and Bank 2. The P0012 code applies only to Bank 1 and “A” […]
- [P0011 Code Explained: "A" Camshaft Position - Timing Over-Advanced (Bank 1) – Causes & Fixes](https://obdcode.org/p0011/): What does the P0011 Camshaft Position Timing Over Advanced or System Performance Bank 1 mean? The P0011 code means that the ECM has detected a circuit issue with the solenoid actuator that directs oil pressure to the engine’s Variable Valve Timing system. it indicates an issue with the camshaft position actuator circuit for Bank 1, specifically the intake camshaft, is over-advanced. What Does Bank 1 Mean? On engines with more than one cylinder bank, such as V6 or V8 engines, the engine is divided into Bank 1 and Bank 2. The P0011 code applies only to Bank 1 and “A” […]
- [P0010 Code Explained: "A" Camshaft Position Actuator Circuit Bank 1 – Causes & Fixes](https://obdcode.org/p0010/): What does the P0010 “A” Camshaft Position Actuator Circuit Bank 1 mean? The P0010 code means that the ECM has detected a circuit issue with the solenoid actuator that directs oil pressure to the engine’s Variable Valve Timing system. it indicates an issue with the camshaft position actuator circuit for Bank 1, specifically refers to the intake camshaft. What Does Bank 1 Mean? On engines with more than one cylinder bank, such as V6 or V8 engines, the engine is divided into Bank 1 and Bank 2. The P0010 code applies only to Bank 1 and “A” indicates Intake camshaft. […]
- [P0009 Code Explained: Engine Position System Performance – Bank 2 – Causes & Fixes](https://obdcode.org/p0009/): What does the P0009 Engine Position System Performance – Bank 2 mean? The P0009 trouble code indicates a problem with engine timing. Specifically, it means the Engine Control Module (ECM) has detected a misalignment between the crankshaft position and the camshaft position on Bank 2. Modern engines rely on precise synchronization between the crankshaft and camshaft(s) to control valve timing accurately. When this relationship is outside the allowable range, the ECM sets the P0009 code to indicate an engine position system performance issue. What Does Bank 2 Mean? On engines with more than one cylinder bank, such as V6 or […]
- [P0008 Code Explained: Engine Position System Performance – Bank 1 – Causes & Fixes](https://obdcode.org/p0008/): What does the P0008 Engine Position System Performance – Bank 1 mean? The P0008 trouble code indicates a problem with engine timing. Specifically, it means the Engine Control Module (ECM) has detected a misalignment between the crankshaft position and the camshaft position on Bank 1. Modern engines rely on precise synchronization between the crankshaft and camshaft(s) to control valve timing accurately. When this relationship is outside the allowable range, the ECM sets the P0008 code to indicate an engine position system performance issue. What Does Bank 1 Mean? On engines with more than one cylinder bank, such as V6 or […]
- [How to Fix P0000?](https://obdcode.org/p0000/): What Does the P0000 Code Mean? P0000 – No Fault Detected The P0000 code is a generic OBD-II code that simply means no diagnostic trouble codes are present in the engine or powertrain control module. In other words, the vehicle’s ECU/ECM has not detected any faults at the time of the scan. Why P0000 May Appear on a Scan Tool P0000 is not a failure code and does not indicate a problem with the vehicle. It usually appears for one of the following reasons: Is P0000 a Problem? No. P0000 does not require any repair or diagnosis. It is not […]
- [P0114 Code Explained: Intake Air Temperature Sensor Circuit Intermittent – Causes & Fixes](https://obdcode.org/p0114/): What does the P0114 Intake Air Temperature Sensor Circuit Intermittent mean? The P0114 trouble code is a generic powertrain OBD-II diagnostic trouble code (DTC) that indicates an Intermittent Problem in the Intake Air Temperature (IAT) sensor circuit. When this code is stored, it means the Engine Control Module (ECM/ECU) has detected an electrical fault—such as an open circuit, short, or abnormal signal—in the IAT sensor circuit. The Intake Air Temperature (IAT) sensor measures the temperature of the air entering the engine and sends this information to the ECU. The ECU uses IAT data to adjust: This is critical because: Accurate […]
- [P0113 Code Explained: Intake Air Temperature Sensor Circuit High Input – Causes & Fixes](https://obdcode.org/p0113/): What does the P0113 Intake Air Temperature Sensor Circuit High Input mean? The P0113 trouble code is a generic powertrain OBD-II diagnostic trouble code (DTC) that indicates a High Input Problem in the Intake Air Temperature (IAT) sensor circuit. When this code is stored, it means the Engine Control Module (ECM/ECU) has detected an electrical fault—such as an open circuit, short, or abnormal signal—in the IAT sensor circuit. The Intake Air Temperature (IAT) sensor measures the temperature of the air entering the engine and sends this information to the ECU. The ECU uses IAT data to adjust: This is critical […]
- [P0112 Code Explained: Intake Air Temperature Sensor Circuit Low Input – Causes & Fixes](https://obdcode.org/p0112/): What does the P0112 Intake Air Temperature Sensor Circuit Low Input mean? The P0112 trouble code is a generic powertrain OBD-II diagnostic trouble code (DTC) that indicates a Low Input Problem in the Intake Air Temperature (IAT) sensor circuit. When this code is stored, it means the Engine Control Module (ECM/ECU) has detected an electrical fault—such as an open circuit, short, or abnormal signal—in the IAT sensor circuit. The Intake Air Temperature (IAT) sensor measures the temperature of the air entering the engine and sends this information to the ECU. The ECU uses IAT data to adjust: This is critical […]
- [P0111 Code Explained: Intake Air Temperature Sensor Circuit Performance Problem – Causes & Fixes](https://obdcode.org/p0111/): What does the P0111 Intake Air Temperature Sensor Circuit Performance/Range Problem mean? The P0111 trouble code is a generic powertrain OBD-II diagnostic trouble code (DTC) that indicates a Range/Performance Problem in the Intake Air Temperature (IAT) sensor circuit. When this code is stored, it means the Engine Control Module (ECM/ECU) has detected an electrical fault—such as an open circuit, short, or abnormal signal—in the IAT sensor circuit. The Intake Air Temperature (IAT) sensor measures the temperature of the air entering the engine and sends this information to the ECU. The ECU uses IAT data to adjust: This is critical because: […]
- [P0110 Code Explained: Intake Air Temperature Sensor Circuit Malfunction – Causes & Fixes](https://obdcode.org/p0110/): What does the P0110 Intake Air Temperature Sensor Circuit Malfunction mean? The P0110 trouble code is a generic powertrain OBD-II diagnostic trouble code (DTC) that indicates a malfunction in the Intake Air Temperature (IAT) sensor circuit. When this code is stored, it means the Engine Control Module (ECM/ECU) has detected an electrical fault—such as an open circuit, short, or abnormal signal—in the IAT sensor circuit. The Intake Air Temperature (IAT) sensor measures the temperature of the air entering the engine and sends this information to the ECU. The ECU uses IAT data to adjust: This is critical because: Accurate IAT […]
- [Car Sensors Explained: What They Do and How to Diagnose Them](https://obdcode.org/car-sensors-explained-what-they-do-and-how-to-diagnose-them/): With the increasing use of electronic systems in modern vehicles, sensors have become a critical part of automotive technology. A car is equipped with numerous sensors that continuously monitor different operating conditions and send real-time data to the Electronic Control Unit (ECU) or, in some cases, directly to the driver through warning lights and displays. These sensors help the ECU make precise decisions related to fuel injection, ignition timing, emissions control, safety systems, and overall vehicle performance. Without accurate sensor data, modern engines and safety systems would not function efficiently or reliably. In this article, we will explore the different […]
- [P0431: Warm Up Catalyst Efficiency Below Threshold (Bank 2)](https://obdcode.org/p0431/): What does the P0431 Warm Up Catalyst Efficiency Below Threshold (Bank 2) mean? The P0431 code gets triggered when the Engine Control Module (ECM) detects that the catalytic converter on Bank 2 (the opposite side of the engine with cylinder #1) is not reaching the required efficiency level during its warm-up phase. The purpose of a catalytic converter is to use a chamber called a catalyst to change the harmful compounds from an engine’s emissions into environmentally safe gases. When the engine releases harmful gases like carbon monoxide, nitrogen oxides, and hydrocarbons, these gases travel through the catalyst and are […]
- [P0007: Fuel Shutoff Valve Control Circuit High](https://obdcode.org/p0007/): What does the P0007 Fuel Shutoff Valve Control Circuit High mean? The P0007 trouble code indicates a problem with the fuel shutoff valve control circuit, specifically that the control circuit voltage is higher than the expected range. High input circuit codes are most commonly caused by a faulty alternator that is producing excessive voltage. However, other causes are also possible, such as short circuits that allow current to leak into the fuel shutoff valve control circuit from other, unrelated systems operating at higher voltages. In cases where a short circuit is feeding excess voltage into the control circuit, it is […]
- [P0006: Fuel Shutoff Valve Control Circuit Low](https://obdcode.org/p0006/): What does the P0006 Fuel Shutoff Valve Control Circuit Low mean? The P0006 trouble code indicates a problem with the fuel shutoff valve control circuit, specifically that the control circuit voltage is lower than the expected range. A “circuit low” condition usually occurs when the Engine Control Module (ECM) detects insufficient voltage in the fuel shutoff valve circuit. This can prevent the valve from operating correctly, which may disrupt fuel delivery. Common causes of a low circuit input include: When any of these conditions are present, the ECM may not be able to properly control the fuel shutoff valve, triggering […]
- [P0005: Fuel Shutoff Valve Control Circuit/Open](https://obdcode.org/p0005/): What does the P0005 Fuel Shutoff Valve “A” Control Circuit/Open mean? The P0005 trouble code indicates a problem with the Fuel Shutoff Valve “A” control circuit, specifically that the circuit is open. In simple terms, this means the Engine Control Module (ECM/PCM) is unable to properly control the fuel shutoff valve because the electrical circuit is interrupted. An “open circuit” usually occurs when there is broken wiring, a disconnected connector, a blown fuse, or a failed shutoff valve solenoid. When Does the P0005 Code Trigger? The fuel shutoff valve plays a critical role in controlling fuel delivery to the engine. […]
- [P0365: Camshaft Position Sensor “B” Circuit Malfunction (Bank 1)](https://obdcode.org/p0365/): What does the P0365 Camshaft Position Sensor “B” Circuit Malfunction (Bank 1) mean? The P0365 code means that the ECM detects a problem in the circuit that monitor the Camshaft Position Sensor “B”.  Now, this sensor plays a super important role because it helps the ECM figure out the exact position of the camshaft, which it needs in order to manage fuel injection and ignition timing. It indicates an issue with the camshaft position actuator circuit for Bank 1, specifically refers to the exhaust camshaft. What is Bank 1-Exhaust Camshaft? In engines with multiple banks, such as V6 or V8 configurations, Bank 1 […]
- [P0701: Transmission Control System Range/Performance?](https://obdcode.org/p0701/): What does the P0701 Transmission Control System Range/Performance Mean? The P0701 code indicates that the Transmission Control Module (TCM) has detected a performance issue within the transmission control system. The TCM receives voltage signals from several engine sensors (such as throttle position, RPM, load percentage, and coolant temperature) and transmission sensors (such as pump pressure, input/output shaft speed, vehicle speed, torque converter lockup, and transmission temperature). When any of these input signals are outside of the expected range, the TCM cannot properly control the transmission—and it triggers P0701. When the P0701 Triggers? The TCM constantly monitors all sensors and actuators […]
- [P0700: Transmission Control System Malfunction](https://obdcode.org/p0700/): What does the P0700 Transmission Control System Malfunction Mean? Modern vehicles equipped with automatic transmissions rely on electronic systems to manage gear shifting. At the center of this system is the Transmission Control Module (TCM), which monitors transmission operation and communicates with the Powertrain Control Module (PCM)—or in some vehicles, the Engine Control Module (ECM). The TCM may be integrated within the ECM or may exist as a standalone module, depending on the vehicle. It receives and shares various signals with the ECM, such as: Using these signals, the TCM controls several transmission components via solenoid valves, including: If the […]
- [P0104: Mass or Volume Air Flow "A" Circuit Intermittent](https://obdcode.org/p0104/): What does the P0104 Mass or Volume Air Flow “A” Circuit Intermittent mean? The P0104 code is a generic powertrain diagnostic trouble code (DTC) that indicates an Intermittent Problem in the Mass or Volume Air Flow (MAF) “A” Circuit. The MAF sensor is responsible for measuring the amount and density of air entering the engine. This data is crucial for the Engine Control Module (ECM) to calculate the correct air-fuel ratio for efficient combustion. Typically, the MAF sensor is mounted in the engine’s air intake tract, downstream from the air filter. It continuously monitors airflow and sends this information to […]
- [P0103: Mass or Volume Air Flow "A" Circuit High Input](https://obdcode.org/p0103/): What does the P0103 Mass or Volume Air Flow “A” Circuit High Input mean? The P0103 code is a generic powertrain diagnostic trouble code (DTC) that indicates a High Input Problem in the Mass or Volume Air Flow (MAF) “A” Circuit. The MAF sensor is responsible for measuring the amount and density of air entering the engine. This data is crucial for the Engine Control Module (ECM) to calculate the correct air-fuel ratio for efficient combustion. Typically, the MAF sensor is mounted in the engine’s air intake tract, downstream from the air filter. It continuously monitors airflow and sends this […]
- [P0102: Mass or Volume Air Flow "A" Circuit Low Input](https://obdcode.org/p0102/): What does the P0102 Mass or Volume Air Flow “A” Circuit Low Input mean? The P0102 code is a generic powertrain diagnostic trouble code (DTC) that indicates a Low Input Problem in the Mass or Volume Air Flow (MAF) “A” Circuit. The MAF sensor is responsible for measuring the amount and density of air entering the engine. This data is crucial for the Engine Control Module (ECM) to calculate the correct air-fuel ratio for efficient combustion. Typically, the MAF sensor is mounted in the engine’s air intake tract, downstream from the air filter. It continuously monitors airflow and sends this […]
- [P0101: Mass or Volume Air Flow "A" Circuit Range/Performance Problem](https://obdcode.org/p0101/): What does the P0101 Mass or Volume Air Flow “A” Circuit Range/Performance Problem mean? The P0101 code is a generic powertrain diagnostic trouble code (DTC) that indicates a Range/Performance Problem in the Mass or Volume Air Flow (MAF) “A” Circuit. The MAF sensor is responsible for measuring the amount and density of air entering the engine. This data is crucial for the Engine Control Module (ECM) to calculate the correct air-fuel ratio for efficient combustion. Typically, the MAF sensor is mounted in the engine’s air intake tract, downstream from the air filter. It continuously monitors airflow and sends this information […]
- [P0100: Mass or Volume Air Flow "A" Circuit Malfunction](https://obdcode.org/p0100/): What does the P0100 Mass or Volume Air Flow “A” Circuit Malfunction mean? The P0100 code is a generic powertrain diagnostic trouble code (DTC) that indicates a malfunction in the Mass or Volume Air Flow (MAF) “A” Circuit. The MAF sensor is responsible for measuring the amount and density of air entering the engine. This data is crucial for the Engine Control Module (ECM) to calculate the correct air-fuel ratio for efficient combustion. Typically, the MAF sensor is mounted in the engine’s air intake tract, downstream from the air filter. It continuously monitors airflow and sends this information to the […]
- [P0004: Fuel Volume Regulator Control Circuit High](https://obdcode.org/p0004/): What does the P0004 Fuel Volume Regulator Control Circuit High mean? The P0004 code is a generic powertrain diagnostic trouble code (DTC) that indicates a range or performance issue within the Fuel Volume Regulator Control Circuit. The Fuel Volume Regulator (FVR) is responsible for controlling the pressure and flow of fuel within the high-pressure side of the fuel system. It ensures that the correct amount of fuel is supplied to the injectors based on engine demand. When the P0004 code is triggered, it means the Engine Control Module (ECM) has detected high voltage or high signal input from the fuel […]
- [P0003: Fuel Volume Regulator Control Circuit Low](https://obdcode.org/p0003/): What does the P0003 Fuel Volume Regulator Control Circuit Low mean? The P0003 code is a generic powertrain diagnostic trouble code (DTC) that indicates a range or performance issue within the Fuel Volume Regulator Control Circuit. The Fuel Volume Regulator (FVR) is responsible for controlling the pressure and flow of fuel within the high-pressure side of the fuel system. It ensures that the correct amount of fuel is supplied to the injectors based on engine demand. When the P0003 code is triggered, it means the Engine Control Module (ECM) has detected low voltage or low signal input from the fuel […]
- [P0002: Fuel Volume Regulator Control Circuit Range/Performance](https://obdcode.org/p0002/): What does the P0002 Fuel Volume Regulator Control Circuit Range/Performance mean? The P0002 code is a generic powertrain diagnostic trouble code (DTC) that indicates a range or performance issue within the Fuel Volume Regulator Control Circuit. The Fuel Volume Regulator (FVR) is responsible for controlling the pressure and flow of fuel within the high-pressure side of the fuel system. It ensures that the correct amount of fuel is supplied to the injectors based on engine demand. When P0002 code is triggered, the Engine Control Module (ECM) has detected that the signal from the fuel volume regulator is outside the expected […]
- [P0349: Camshaft Position Sensor “A” Circuit Intermittent (Bank 2)](https://obdcode.org/p0349/): What does the P0349 Camshaft Position Sensor “A” Circuit Intermittent (Bank 2) mean? The P0349 code indicates that the Engine Control Module (ECM) has detected an intermittent loss of signal from the camshaft position sensor (Bank 2 – intake side). This means that at certain times, the sensor signal is missing or unstable when it shouldn’t be. The issue is typically electrical in nature—such as a loose connection, damaged wiring, or a failing sensor—causing the signal to drop out intermittently rather than being completely lost. Now, this sensor plays a super important role because it helps the ECM figure out […]
- [P0348: Camshaft Position Sensor “A” Circuit High Input (Bank 2)](https://obdcode.org/p0348/): What does the P0348 Camshaft Position Sensor “A” High Input (Bank 2) mean? The P0348 code means that the ECM detects that the signal coming from the camshaft position sensor is outside of the expected range or too high. Now, this sensor plays a super important role because it helps the ECM figure out the exact position of the camshaft, which it needs in order to manage fuel injection and ignition timing. It indicates an issue with the camshaft position actuator circuit for Bank 2, specifically refers to the intake camshaft. What is Bank 2-Intake Camshaft? In engines with multiple […]
- [P0347: Camshaft Position Sensor “A” Circuit Low Input (Bank 2)](https://obdcode.org/p0347/): What does the P0347 Camshaft Position Sensor “A” Low Input (Bank 2) mean? The P0347 code means that the ECM detects that the signal coming from the camshaft position sensor is outside of the expected range or too low. Now, this sensor plays a super important role because it helps the ECM figure out the exact position of the camshaft, which it needs in order to manage fuel injection and ignition timing. It indicates an issue with the camshaft position actuator circuit for Bank 2, specifically refers to the intake camshaft. What is Bank 2-Intake Camshaft? In engines with multiple […]
- [P0346: Camshaft Position Sensor “A” Circuit Range/Performance (Bank 2)](https://obdcode.org/p0346/): What does the P0346 Camshaft Position Sensor “A” Circuit Range/Performance (Bank 2) mean? The P0346 code means that the ECM detects that the signal coming from the camshaft position sensor is outside of the expected range. Now, this sensor plays a super important role because it helps the ECM figure out the exact position of the camshaft, which it needs in order to manage fuel injection and ignition timing. It indicates an issue with the camshaft position actuator circuit for Bank 2, specifically refers to the intake camshaft. What is Bank 2-Intake Camshaft? In engines with multiple banks, such as […]
- [P0345: Camshaft Position Sensor “A” Circuit Malfunction (Bank 2)](https://obdcode.org/p0345/): What does the P0345 Camshaft Position Sensor “A” Circuit Malfunction (Bank 2) mean? The P0345 code means that the ECM detects a problem in the circuit that monitor the Camshaft Position Sensor “A.”  Now, this sensor plays a super important role because it helps the ECM figure out the exact position of the camshaft, which it needs in order to manage fuel injection and ignition timing. It indicates an issue with the camshaft position actuator circuit for Bank 2, specifically refers to the intake camshaft. What is Bank 2-Intake Camshaft? In engines with multiple banks, such as V6 or V8 configurations, Bank 2 […]
- [P0344: Camshaft Position Sensor “A” Circuit Intermittent (Bank 1)](https://obdcode.org/p0344/): What does the P0344 Camshaft Position Sensor “A” Circuit Intermittent (Bank 1) mean? The P0344 code indicates that the Engine Control Module (ECM) has detected an intermittent loss of signal from the camshaft position sensor (Bank 1 – intake side). This means that at certain times, the sensor signal is missing or unstable when it shouldn’t be. The issue is typically electrical in nature—such as a loose connection, damaged wiring, or a failing sensor—causing the signal to drop out intermittently rather than being completely lost. Now, this sensor plays a super important role because it helps the ECM figure out […]
- [P0343: Camshaft Position Sensor “A” Circuit High Input (Bank 1)](https://obdcode.org/p0343/): What does the P0343 Camshaft Position Sensor “A” High Input (Bank 1) mean? The P0343 code means that the ECM detects that the signal coming from the camshaft position sensor is outside of the expected range or too high. Now, this sensor plays a super important role because it helps the ECM figure out the exact position of the camshaft, which it needs in order to manage fuel injection and ignition timing. It indicates an issue with the camshaft position actuator circuit for Bank 1, specifically refers to the intake camshaft. What is Bank 1-Intake Camshaft? In engines with multiple […]
- [P0342: Camshaft Position Sensor “A” Circuit Low Input (Bank 1)](https://obdcode.org/p0342/): What does the P0342 Camshaft Position Sensor “A” Low Input (Bank 1) mean? The P0342 code means that the ECM detects that the signal coming from the camshaft position sensor is outside of the expected range or too low. Now, this sensor plays a super important role because it helps the ECM figure out the exact position of the camshaft, which it needs in order to manage fuel injection and ignition timing. It indicates an issue with the camshaft position actuator circuit for Bank 1, specifically refers to the intake camshaft. What is Bank 1-Intake Camshaft? In engines with multiple […]
- [P0341: Camshaft Position Sensor “A” Circuit Range/Performance (Bank 1)](https://obdcode.org/p0341/): What does the P0341 Camshaft Position Sensor “A” Circuit Range/Performance (Bank 1) mean? The P0341 code means that the ECM detects that the signal coming from the camshaft position sensor is outside of the expected range. Now, this sensor plays a super important role because it helps the ECM figure out the exact position of the camshaft, which it needs in order to manage fuel injection and ignition timing. It indicates an issue with the camshaft position actuator circuit for Bank 1, specifically refers to the intake camshaft. What is Bank 1-Intake Camshaft? In engines with multiple banks, such as […]
- [P0340: Camshaft Position Sensor “A” Circuit Malfunction (Bank 1)](https://obdcode.org/p0340/): What does the P0340 Camshaft Position Sensor “A” Circuit Malfunction (Bank 1) mean? The P0340 code means that the ECM detects a problem in the circuit that monitor the Camshaft Position Sensor “A.”  Now, this sensor plays a super important role because it helps the ECM figure out the exact position of the camshaft, which it needs in order to manage fuel injection and ignition timing. It indicates an issue with the camshaft position actuator circuit for Bank 1, specifically refers to the intake camshaft. What is Bank 1-Intake Camshaft? In engines with multiple banks, such as V6 or V8 configurations, Bank 1 […]
- [P0423: Heated Catalyst Efficiency Below Threshold (Bank 1)](https://obdcode.org/p0423/): What does the P0423 Heated Catalyst Efficiency Below Threshold (Bank 1) mean? The P0423 code gets triggered when the Engine Control Module (ECM) detects that the catalytic converter on Bank 1 (the side of the engine with cylinder #1) is not reaching the required efficiency level. The purpose of a catalytic converter is to use a chamber called a catalyst to change the harmful compounds from an engine’s emissions into environmentally safe gases. When the engine releases harmful gases like carbon monoxide, nitrogen oxides, and hydrocarbons, these gases travel through the catalyst and are converted into safer gases like steam, […]
- [P0422: Main Catalyst Efficiency Below Threshold (Bank 1)](https://obdcode.org/p0422/): What does the P0422 Main Catalyst Efficiency Below Threshold (Bank 1) mean? The P0422 code gets triggered when the Engine Control Module (ECM) detects that the catalytic converter on Bank 1 (the side of the engine with cylinder #1) is not reaching the required efficiency level. The purpose of a catalytic converter is to use a chamber called a catalyst to change the harmful compounds from an engine’s emissions into environmentally safe gases. When the engine releases harmful gases like carbon monoxide, nitrogen oxides, and hydrocarbons, these gases travel through the catalyst and are converted into safer gases like steam, […]
- [P0421: Warm Up Catalyst Efficiency Below Threshold (Bank 1)](https://obdcode.org/p0421/): What does the P0421 Warm Up Catalyst Efficiency Below Threshold (Bank 1) mean? The P0421 code gets triggered when the Engine Control Module (ECM) detects that the catalytic converter on Bank 1 (the side of the engine with cylinder #1) is not reaching the required efficiency level during its warm-up phase. The purpose of a catalytic converter is to use a chamber called a catalyst to change the harmful compounds from an engine’s emissions into environmentally safe gases. When the engine releases harmful gases like carbon monoxide, nitrogen oxides, and hydrocarbons, these gases travel through the catalyst and are converted […]
- [P0445: Evaporative Emission Canister Purge Valve Short Circuit](https://obdcode.org/p0445/): What does the P0445 ? | Evaporative Emission Canister Purge Valve Short Circuit detected mean? P0445 code gets triggered when the Engine Control Module (ECM) detects an shorts circuit in the electrical control path of the EVAP purge valve. In simple terms, it means PCM loses control over this valve—due to electrical faults, component failure, or wiring issues. What is EVAP System? The purpose of the EVAP system is simple but vital: it’s designed to prevent fuel vapors from escaping into the atmosphere, which helps reduce air pollution. Basically, it’s a collection of components that create a sealed environment, capturing, storing, and […]
- [P0444: Evaporative Emission Canister Purge Valve Open Circuit](https://obdcode.org/p0444/): What does the P0444 ? | Evaporative Emission Canister Purge Valve Open Circuit detected mean? P0444 code gets triggered when the Engine Control Module (ECM) detects an open circuit in the electrical control path of the EVAP purge valve. In simple terms, it means PCM loses control over this valve—due to electrical faults, component failure, or wiring issues. What is EVAP System? The purpose of the EVAP system is simple but vital: it’s designed to prevent fuel vapors from escaping into the atmosphere, which helps reduce air pollution. Basically, it’s a collection of components that create a sealed environment, capturing, storing, and […]
- [P0443: Evaporative Emission Canister Purge Valve Circuit Malfunction](https://obdcode.org/p0443/): What does the P0443 ? | Evaporative Emission Canister Purge Valve Circuit Malfunction detected mean? P0443 code gets triggered when the Engine Control Module (ECM) detects an issue in the electrical circuit controlling the purge valve of the Evaporative Emission Control (EVAP) system. In simple terms, it means PCM loses control over this valve—due to electrical faults, component failure, or wiring issues. What is EVAP System? The purpose of the EVAP system is simple but vital: it’s designed to prevent fuel vapors from escaping into the atmosphere, which helps reduce air pollution. Basically, it’s a collection of components that create a sealed […]
- [P0173: Fuel Trim Malfunction on Bank 2](https://obdcode.org/p0173/): What does the P0173 Fuel Trim Malfunction (Bank 2) mean? P0173 code gets triggered when the Engine Control Module receives an input signal from the oxygen sensor—also called the air-fuel ratio sensor—indicating that the air/fuel mixture has been running too rich or too lean for an extended period of time, typically about 20 consecutive seconds. Now, let’s talk specifics. A lean mixture means insufficient fuel and too much air in the combustion process, and, a rich mixture means too much fuel and insufficient air in the combustion process. Both lean or rich mixture can lead to poor engine performance, increased emissions, and potential damage over […]
- [P0170: Fuel Trim Malfunction on Bank 1](https://obdcode.org/p0170/): What does the P0170 Fuel Trim Malfunction (Bank 1) mean? P0170 code gets triggered when the Engine Control Module receives an input signal from the oxygen sensor—also called the air-fuel ratio sensor—indicating that the air/fuel mixture has been running too rich or too lean for an extended period of time, typically about 20 consecutive seconds. Now, let’s talk specifics. A lean mixture means insufficient fuel and too much air in the combustion process, and, a rich mixture means too much fuel and insufficient air in the combustion process. Both lean or rich mixture can lead to poor engine performance, increased emissions, and potential damage over […]
- [P0441: EVAP System Incorrect Purge Flow](https://obdcode.org/p0441/): What does the P0441 EVAP System Incorrect Purge Flow detected mean? P0441 code gets triggered when the Engine Control Module (ECM) detects a condition in the EVAP control system that indicates: In simple terms, P0441 means the system has detected that the EVAP (Evaporative Emission Control) system is not purging fuel vapors correctly—either too much or too little vapor flow.  What is EVAP System? The purpose of the EVAP system is simple but vital: it’s designed to prevent fuel vapors from escaping into the atmosphere, which helps reduce air pollution. Basically, it’s a collection of components that create a sealed environment, capturing, storing, […]
- [P0440: Evaporative Emission System Malfunction](https://obdcode.org/p0440/): What does the P0440 Evaporative Emission System Malfunction detected mean? P0440 code gets triggered when the Engine Control Module (ECM) detects a condition in the EVAP control system that indicates: In simple terms, P0440 means the system has detected a leak in the fuel vapor containment system, and there is insufficient flow through the purge system to properly manage the fuel vapors. What is EVAP System? The purpose of the EVAP system is simple but vital: it’s designed to prevent fuel vapors from escaping into the atmosphere, which helps reduce air pollution. Basically, it’s a collection of components that create a sealed environment, […]
- [P0001: Fuel Volume Regulator Control Circuit/Open](https://obdcode.org/p0001/): What does the P0001 Fuel Volume Regulator Control Circuit/Open mean? The “P” prefix in the code denotes that it’s related to a powertrain issue. The P0001 code is a generic powertrain code indicating a problem with the fuel volume regulator control circuit. The fuel volume regulator is tasked with regulating the fuel pressure and flow within the fuel system. When the error code P0001 is triggered, it signifies an issue with the fuel volume regulator control, and specifically, an open circuit. This means that the sensor or component is not receiving the necessary reference voltage required for proper functioning. When […]
- [P0442: Evaporative Emission Control  System -Small Leak Detected](https://obdcode.org/p0442/): What does the P0442 Evaporative Emission Control System -Small Leak detected mean? P0442 code gets triggered when the Engine Control Module (ECM) detects a condition in the EVAP control system that indicates: In simple terms, it means the system has detected a small leak in the fuel vapor containment system. What is EVAP System? The purpose of the EVAP system is simple but vital: it’s designed to prevent fuel vapors from escaping into the atmosphere, which helps reduce air pollution. Basically, it’s a collection of components that create a sealed environment, capturing, storing, and eventually purging volatile fuel vapors from the fuel system. The […]
- [P0456: Evaporative emission (EVAP) system -small leak detected](https://obdcode.org/p0456/): What does the P0456 Evaporative emission (EVAP) system -small leak detected mean? P0456 code gets triggered when the Engine Control Module (ECM) detects a condition in the EVAP control system that indicates: In simple terms, it means the system has detected a small leak in the fuel vapor containment system. What is EVAP System? The purpose of the EVAP system is simple but vital: it’s designed to prevent fuel vapors from escaping into the atmosphere, which helps reduce air pollution. Basically, it’s a collection of components that create a sealed environment, capturing, storing, and eventually purging volatile fuel vapors from the fuel system. The […]
- [P0306: Cylinder -6 Misfire Detected](https://obdcode.org/p0306/): What does the P0306 Cylinder-6 Misfire Detected mean? P0306 code gets triggered when the Engine Control Module detects an engine misfire on cylinder-6. Misfire means that the combustion process inside one or more cylinders isn’t happening properly. You may also see other misfire-related codes, such as P0300 (random/multiple misfires) or P0301–P0308, indicating issues in other specific cylinders. The last number in these accompanying codes refers to the affected cylinder. When the P0306 Triggers? The Engine Control Unit, or ECU, monitors the signals from the crankshaft position sensor, camshaft position sensor, and cylinder pressure sensor. These sensors provide real-time data about […]
- [P0305 Code Explained: Cylinder -5 Misfire Detected – Causes & Fixes](https://obdcode.org/p0305/): What does the P0305 Cylinder-5 Misfire Detected mean? P0305 code gets triggered when the Engine Control Module detects an engine misfire on cylinder-5. Misfire means that the combustion process inside one or more cylinders isn’t happening properly. You may also see other misfire-related codes, such as P0300 (random/multiple misfires) or P0301–P0308, indicating issues in other specific cylinders. The last number in these accompanying codes refers to the affected cylinder. When the P0305 Triggers? The Engine Control Unit, or ECU, monitors the signals from the crankshaft position sensor, camshaft position sensor, and cylinder pressure sensor. These sensors provide real-time data about […]
- [P0304: Cylinder -4 Misfire Detected](https://obdcode.org/p0304/): What does the P0304 Cylinder-4 Misfire Detected mean? P0304 code gets triggered when the Engine Control Module detects an engine misfire on cylinder-4. Misfire means that the combustion process inside one or more cylinders isn’t happening properly. You may also see other misfire-related codes, such as P0300 (random/multiple misfires) or P0301–P0308, indicating issues in other specific cylinders. The last number in these accompanying codes refers to the affected cylinder. When the P0304 Triggers? The Engine Control Unit, or ECU, monitors the signals from the crankshaft position sensor, camshaft position sensor, and cylinder pressure sensor. These sensors provide real-time data about […]
- [P0455 Code Explained: Evaporative emission (EVAP) system -large leak detected – Causes & Fixes](https://obdcode.org/p0455/): What does the P0455 Evaporative emission (EVAP) system -large leak detected mean? P0455 code gets triggered when the Engine Control Module (ECM) detects a condition in the EVAP control system that indicates: In simple terms, it means the system has detected a large leak in the fuel vapor containment system. What is EVAP System? The purpose of the EVAP system is simple but vital: it’s designed to prevent fuel vapors from escaping into the atmosphere, which helps reduce air pollution. Basically, it’s a collection of components that create a sealed environment, capturing, storing, and eventually purging volatile fuel vapors from the fuel system. The […]
- [P0303 Code Explained: Cylinder -3 Misfire Detected – Causes & Fixes](https://obdcode.org/p0303/): What does the P0303 Cylinder-3 Misfire Detected mean? P0303 code gets triggered when the Engine Control Module detects an engine misfire on cylinder-3. Misfire means that the combustion process inside one or more cylinders isn’t happening properly. You may also see other misfire-related codes, such as P0300 (random/multiple misfires) or P0301–P0308, indicating issues in other specific cylinders. The last number in these accompanying codes refers to the affected cylinder. When the P0303 Triggers? The Engine Control Unit, or ECU, monitors the signals from the crankshaft position sensor, camshaft position sensor, and cylinder pressure sensor. These sensors provide real-time data about […]
- [P0302 Code Explained: Cylinder -2 Misfire Detected – Causes & Fixes](https://obdcode.org/p0302/): What does the P0302 Cylinder-2 Misfire Detected mean? P0302 code gets triggered when the Engine Control Module detects an engine misfire on cylinder-2. Misfire means that the combustion process inside one or more cylinders isn’t happening properly. You may also see other misfire-related codes, such as P0300 (random/multiple misfires) or P0301–P0308, indicating issues in other specific cylinders. The last number in these accompanying codes refers to the affected cylinder. When the P0302 Triggers? The Engine Control Unit, or ECU, monitors the signals from the crankshaft position sensor, camshaft position sensor, and cylinder pressure sensor. These sensors provide real-time data about […]
- [P0301 Code Explained: Cylinder -1 Misfire Detected – Causes & Fixes](https://obdcode.org/p0301/): What does the P0301 Cylinder-1 Misfire Detected mean? P0301 code gets triggered when the Engine Control Module detects an engine misfire on cylinder-1. Misfire means that the combustion process inside one or more cylinders isn’t happening properly. You may also see other misfire-related codes, such as P0300 (random/multiple misfires) or P0302–P0308, indicating issues in other specific cylinders. The last number in these accompanying codes refers to the affected cylinder. When the P0301 Triggers? The Engine Control Unit, or ECU, monitors the signals from the crankshaft position sensor, camshaft position sensor, and cylinder pressure sensor. These sensors provide real-time data about […]
- [P0300 Code Explained: Random or Multiple Cylinder Misfire Detected – Causes & Fixes](https://obdcode.org/p0300/): What does the P0300 Random or Multiple Cylinder Misfire Detected mean? P0300 code gets triggered when the Engine Control Module detects an engine misfire that’s either random or showing up on multiple cylinders. Misfire means that the combustion process inside one or more cylinders isn’t happening properly. You may also find another OBD-II code, like P0301 to P0308, alongside P0300. The last number in these accompanying codes refers to the affected cylinder. When the P0300 Triggers? The Engine Control Unit, or ECU, monitors the signals from the crankshaft position sensor, camshaft position sensor, and cylinder pressure sensor. These sensors provide […]
- [P0430 Code Explained: Catalyst Efficiency Below Threshold (Bank 2) – Causes & Fixes](https://obdcode.org/p0430/): What does the P0430 Catalyst Efficiency Below Threshold (Bank 2) mean? P0430 code gets triggered when the Engine Control Module detects a condition that indicates that the catalytic converter is operating below the minimum allowable efficiency threshold. The purpose of a catalytic converter is to use a chamber called a catalyst to change the harmful compounds from an engine’s emissions into environmentally safe gases. When the engine releases harmful gases like carbon monoxide, nitrogen oxides, and hydrocarbons, these gases travel through the catalyst and are converted into safer gases like steam, carbon dioxide, and nitrogen. This code gets triggered when […]
- [P0420 Code Explained: Catalyst System Efficiency Below Threshold (Bank 1) – Causes & Fixes](https://obdcode.org/p0420/): What does the P0420 Catalyst Efficiency Below Threshold (Bank 1) mean? P0420 code gets triggered when the Engine Control Module detects a condition that indicates that the catalytic converter is operating below the minimum allowable efficiency threshold. The purpose of a catalytic converter is to use a chamber called a catalyst to change the harmful compounds from an engine’s emissions into environmentally safe gases. When the engine releases harmful gases like carbon monoxide, nitrogen oxides, and hydrocarbons, these gases travel through the catalyst and are converted into safer gases like steam, carbon dioxide, and nitrogen. This code gets triggered when […]
- [P0175: System too Rich (Bank 2)](https://obdcode.org/p0175/): What does the P0175 System too Rich (Bank 2) mean? P0175 code gets triggered when the Engine Control Module receives an input signal from the oxygen sensor—also called the air-fuel ratio sensor—indicating that the air/fuel mixture has been running too rich for an extended period of time. Now, let’s talk specifics. A rich mixture means insufficient air and too much fuel in the combustion process, which can lead to poor engine performance, increased emissions, and potential damage over time. When this happens on Bank 2— the ECM flags it as a problem and triggers the P0175 trouble code. What is […]
- [P0160: Oxygen Sensor Circuit No Activity Detected (Bank 2, Sensor 2)](https://obdcode.org/p0160/): What does the P0160 Oxygen Sensor Circuit No Activity Detected (Bank 2, Sensor 2) mean? P0160 code gets triggered when the Engine Control Module has detected inactivity from the oxygen sensor, also known as the air-fuel ratio sensor. This inactivity typically indicates that the oxygen sensor isn’t sending voltage signals back to the ECM, often due to a problem with the sensor’s heater circuit or the sensor itself. Specifically, we’re talking about the oxygen sensor heater circuit for Bank 2, Sensor 2. When the P0160 Triggers? Your vehicle’s oxygen sensor plays a vital role in monitoring the oxygen content in […]
- [P0159: Oxygen Sensor Circuit Slow Response (Bank 2, Sensor 2)](https://obdcode.org/p0159/): What does the P0159 Oxygen Sensor Circuit Slow Response (Bank 2, Sensor 2) mean? P0159 code gets triggered when the Engine Control Module detects that the voltage from the oxygen sensor—also known as the air-fuel ratio sensor—is slower than expected. Specifically, we’re talking about the oxygen sensor for Bank 2, Sensor 2. When the P0159 Triggers? Your vehicle’s oxygen sensor plays a vital role in monitoring the oxygen content in the exhaust gases. It sends this data to the ECU, which then uses it to maintain the optimal air-fuel ratio The ECU controls the air-fuel ratio by adjusting the timing […]
- [P0171 Code Explained: System too Lean (Bank 1) – Causes & Fixes](https://obdcode.org/p0171/): What does the P0171 System too Lean (Bank 1) mean? P0171 code gets triggered when the Engine Control Module receives an input signal from the oxygen sensor—also called the air-fuel ratio sensor—indicating that the air/fuel mixture has been running too lean for an extended period of time. Now, let’s talk specifics. A lean mixture means insufficient fuel and too much air in the combustion process, which can lead to poor engine performance, increased emissions, and potential damage over time. When this happens on Bank 1— the ECM flags it as a problem and triggers the P0171 trouble code. What is […]
- [P0172: System too Rich (Bank 1)](https://obdcode.org/p0172/): What does the P0172 System too Rich (Bank 1) mean? P0172 code gets triggered when the Engine Control Module receives an input signal from the oxygen sensor—also called the air-fuel ratio sensor—indicating that the air/fuel mixture has been running too rich for an extended period of time. Now, let’s talk specifics. A rich mixture means insufficient air and too much fuel in the combustion process, which can lead to poor engine performance, increased emissions, and potential damage over time. When this happens on Bank 1— the ECM flags it as a problem and triggers the P0172 trouble code. What is […]
- [P0174 Code Explained: System too Lean (Bank 2) – Causes & Fixes](https://obdcode.org/p0174/): What does the P0174 System too Lean (Bank 2) mean? P0174 code gets triggered when the Engine Control Module receives an input signal from the oxygen sensor—also called the air-fuel ratio sensor—indicating that the air/fuel mixture has been running too lean for an extended period of time. Now, let’s talk specifics. A lean mixture means insufficient fuel and too much air in the combustion process, which can lead to poor engine performance, increased emissions, and potential damage over time. When this happens on Bank 2— the ECM flags it as a problem and triggers the P0174 trouble code. What is […]
- [P0158: Oxygen Sensor Circuit High Voltage (Bank 2, Sensor 2)](https://obdcode.org/p0158/): What does the P0158 Oxygen Sensor Circuit High Voltage (Bank 2, Sensor 2) mean? P0158 code gets triggered when the Engine Control Module detects that the voltage from the oxygen sensor—also known as the air-fuel ratio sensor—has remained too high for too long. This high voltage usually indicates that the sensor is detecting a rich air-fuel mixture, meaning there’s too much fuel and not enough air in the combustion process. Specifically, we’re talking about the oxygen sensor for Bank 2, Sensor 2. When the P0158 Triggers? Your vehicle’s oxygen sensor plays a vital role in monitoring the oxygen content in […]
- [P0156: Oxygen Sensor Circuit Malfunction (Bank 2, Sensor 2)](https://obdcode.org/p0156/): What does the P0156 Oxygen Sensor Circuit Malfunction (Bank 2, Sensor 2) mean? P0156 code gets triggered when the Engine Control Module detects that the voltage from the oxygen sensor—also known as the air-fuel ratio sensor—has stayed in a lean condition for too long, causing the engine to either run too rich or too lean. Specifically, we’re talking about the oxygen sensor for Bank 2, Sensor 2. When the P0156 Triggers? Your vehicle’s oxygen sensor plays a vital role in monitoring the oxygen content in the exhaust gases. It sends this data to the ECU, which then uses it to […]
- [P0157 Code Explained: Oxygen Sensor Circuit Low Voltage (Bank 2, Sensor 2) – Causes & Fixes](https://obdcode.org/p0157/): What does the P0157 Oxygen Sensor Circuit Low Voltage (Bank 2, Sensor 2) mean? P0157 code gets triggered when the Engine Control Module detects that the voltage from the oxygen sensor—also known as the air-fuel ratio sensor—has remained below 400 molts for more than 20 seconds, causing the engine to run either too rich or too lean. Specifically, we’re talking about the oxygen sensor for Bank 2, Sensor 2. When the P0157 Triggers? Your vehicle’s oxygen sensor plays a vital role in monitoring the oxygen content in the exhaust gases. It sends this data to the ECU, which then uses […]
- [P0154: Oxygen Sensor Circuit No Activity Detected (Bank 2, Sensor 1)](https://obdcode.org/p0154/): What does the P0154 Oxygen Sensor Circuit No Activity Detected (Bank 2, Sensor 1) mean? P0154 code gets triggered when the Engine Control Module has detected inactivity from the oxygen sensor, also known as the air-fuel ratio sensor. This inactivity typically indicates that the oxygen sensor isn’t sending voltage signals back to the ECM, often due to a problem with the sensor’s heater circuit or the sensor itself. Specifically, we’re talking about the oxygen sensor heater circuit for Bank 2, Sensor 1. When the P0154 Triggers? Your vehicle’s oxygen sensor plays a vital role in monitoring the oxygen content in […]
- [P0153: Oxygen Sensor Circuit Slow Response (Bank 2, Sensor 1)](https://obdcode.org/p0153/): What does the P0153 Oxygen Sensor Circuit Slow Response (Bank 2, Sensor 1) mean? P0153 code gets triggered when the Engine Control Module detects that the voltage from the oxygen sensor—also known as the air-fuel ratio sensor—is slower than expected. Specifically, we’re talking about the oxygen sensor for Bank 2, Sensor 1. When the P0153 Triggers? Your vehicle’s oxygen sensor plays a vital role in monitoring the oxygen content in the exhaust gases. It sends this data to the ECU, which then uses it to maintain the optimal air-fuel ratio The ECU controls the air-fuel ratio by adjusting the timing […]
- [P0152: Oxygen Sensor Circuit High Voltage (Bank 2, Sensor 1)](https://obdcode.org/p0152/): What does the P0152 Oxygen Sensor Circuit High Voltage (Bank 2, Sensor 1) mean? P0152 code gets triggered when the Engine Control Module detects that the voltage from the oxygen sensor—also known as the air-fuel ratio sensor—has remained too high for too long. This high voltage usually indicates that the sensor is detecting a rich air-fuel mixture, meaning there’s too much fuel and not enough air in the combustion process. Specifically, we’re talking about the oxygen sensor for Bank 2, Sensor 1. When the P0152 Triggers? Your vehicle’s oxygen sensor plays a vital role in monitoring the oxygen content in […]
- [P0151: Oxygen Sensor Circuit Low Voltage (Bank 2, Sensor 1)](https://obdcode.org/p0151/): What does the P0151 Oxygen Sensor Circuit Low Voltage (Bank 2, Sensor 1) mean? P0151 code gets triggered when the Engine Control Module detects that the voltage from the oxygen sensor—also known as the air-fuel ratio sensor—has remained below 400 molts for more than 20 seconds, causing the engine to run either too rich or too lean. Specifically, we’re talking about the oxygen sensor for Bank 2, Sensor 1. When the P0151 Triggers? Your vehicle’s oxygen sensor plays a vital role in monitoring the oxygen content in the exhaust gases. It sends this data to the ECU, which then uses […]
- [P0150: Oxygen Sensor Circuit Malfunction (Bank 2, Sensor 1)](https://obdcode.org/p0150/): What does the P0150 Oxygen Sensor Circuit Malfunction (Bank 2, Sensor 1) mean? P0150 code gets triggered when the Engine Control Module detects that the voltage from the oxygen sensor—also known as the air-fuel ratio sensor—has stayed in a lean condition for too long, causing the engine to either run too rich or too lean. Specifically, we’re talking about the oxygen sensor for Bank 2, Sensor 1. When the P0150 Triggers? Your vehicle’s oxygen sensor plays a vital role in monitoring the oxygen content in the exhaust gases. It sends this data to the ECU, which then uses it to […]
- [P0140: Oxygen Sensor Circuit No Activity Detected (Bank 1, Sensor 2)](https://obdcode.org/p0140/): What does the P0140 Oxygen Sensor Circuit No Activity Detected (Bank 1, Sensor 2) mean? P0140 code gets triggered when the Engine Control Module has detected inactivity from the oxygen sensor, also known as the air-fuel ratio sensor. This inactivity typically indicates that the oxygen sensor isn’t sending voltage signals back to the ECM, often due to a problem with the sensor’s heater circuit or the sensor itself. Specifically, we’re talking about the oxygen sensor for Bank 1, Sensor 2. When the P0140 Triggers? Your vehicle’s oxygen sensor plays a vital role in monitoring the oxygen content in the exhaust […]
- [P0139 Code Explained: Oxygen Sensor Circuit Slow Response (Bank 1, Sensor 2) – Causes & Fixes](https://obdcode.org/p0139/): What does the P0139 Oxygen Sensor Circuit Slow Response (Bank 1, Sensor 2) mean? P0139 code gets triggered when the Engine Control Module detects that the voltage from the oxygen sensor—also known as the air-fuel ratio sensor—is slower than expected. Specifically, we’re talking about the oxygen sensor for Bank 1, Sensor 2. When the P0139 Triggers? Your vehicle’s oxygen sensor plays a vital role in monitoring the oxygen content in the exhaust gases. It sends this data to the ECU, which then uses it to maintain the optimal air-fuel ratio The ECU controls the air-fuel ratio by adjusting the timing […]
- [P0138 Code Explained: Oxygen Sensor Circuit High Voltage (Bank 1, Sensor 2) – Causes & Fixes](https://obdcode.org/p0138/): What does the P0138 Oxygen Sensor Circuit High Voltage (Bank 1, Sensor 2) mean? P0138 code gets triggered when the Engine Control Module detects that the voltage from the oxygen sensor—also known as the air-fuel ratio sensor—has remained too high for too long. This high voltage usually indicates that the sensor is detecting a rich air-fuel mixture, meaning there’s too much fuel and not enough air in the combustion process. Specifically, we’re talking about the oxygen sensor for Bank 1, Sensor 2. When the P0138 Triggers? Your vehicle’s oxygen sensor plays a vital role in monitoring the oxygen content in […]
- [P0137 Code Explained: Oxygen Sensor Circuit Low Voltage (Bank 1, Sensor 2) – Causes & Fixes](https://obdcode.org/p0137/): What does the P0137 Oxygen Sensor Circuit Low Voltage (Bank 1, Sensor 2) mean? P0137 code gets triggered when the Engine Control Module detects that the voltage from the oxygen sensor—also known as the air-fuel ratio sensor—has remained below 400 milli volts for more than 20 seconds, causing the engine to run either too rich or too lean. Specifically, we’re talking about the oxygen sensor for Bank 1, Sensor 2. When the P0137 Triggers? Your vehicle’s oxygen sensor plays a vital role in monitoring the oxygen content in the exhaust gases. It sends this data to the ECU, which then […]
- [P0136 Code Explained: Oxygen Sensor Circuit Malfunction (Bank 1, Sensor 2) – Causes & Fixes](https://obdcode.org/p0136/): What does the P0136 Oxygen Sensor Circuit Malfunction (Bank 1, Sensor 2) mean? P0136 code gets triggered when the Engine Control Module detects that the voltage from the oxygen sensor—also known as the air-fuel ratio sensor—has stayed in a lean condition for too long, causing the engine to either run too rich or too lean. Specifically, we’re talking about the oxygen sensor for Bank 1, Sensor 2. When the P0136 Triggers? Your vehicle’s oxygen sensor plays a vital role in monitoring the oxygen content in the exhaust gases. It sends this data to the ECU, which then uses it to […]
- [P0134: Oxygen Sensor Circuit No Activity Detected (Bank 1, Sensor 1)](https://obdcode.org/p0134/): What does the P0134 Oxygen Sensor Circuit No Activity Detected (Bank 1, Sensor 1) mean? P0134 code gets triggered when the Engine Control Module has detected inactivity from the oxygen sensor, also known as the air-fuel ratio sensor. This inactivity typically indicates that the oxygen sensor isn’t sending voltage signals back to the ECM, often due to a problem with the sensor’s heater circuit or the sensor itself. Specifically, we’re talking about the oxygen sensor heater circuit for Bank 1, Sensor 1. When the P0134 Triggers? Your vehicle’s oxygen sensor plays a vital role in monitoring the oxygen content in […]
- [P0133: Oxygen Sensor Circuit Slow Response (Bank 1, Sensor 1)](https://obdcode.org/p0133/): What does the P0133 Oxygen Sensor Circuit Slow Response (Bank 1, Sensor 1) mean? P0133 code gets triggered when the Engine Control Module detects that the voltage from the oxygen sensor—also known as the air-fuel ratio sensor—is slower than expected. Specifically, we’re talking about the oxygen sensor for Bank 1, Sensor 1. When the P0133 Triggers? Your vehicle’s oxygen sensor plays a vital role in monitoring the oxygen content in the exhaust gases. It sends this data to the ECU, which then uses it to maintain the optimal air-fuel ratio The ECU controls the air-fuel ratio by adjusting the timing […]
- [P0132 Code Explained: Oxygen Sensor Circuit High Voltage (Bank 1, Sensor 1) – Causes & Fixes](https://obdcode.org/p0132/): What does the P0132 Oxygen Sensor Circuit High Voltage (Bank 1, Sensor 1) mean? P0132 code gets triggered when the Engine Control Module detects that the voltage from the oxygen sensor—also known as the air-fuel ratio sensor—has remained too high for too long. This high voltage usually indicates that the sensor is detecting a rich air-fuel mixture, meaning there’s too much fuel and not enough air in the combustion process. Specifically, we’re talking about the oxygen sensor for Bank 1, Sensor 1. When the P0132 Triggers? Your vehicle’s oxygen sensor plays a vital role in monitoring the oxygen content in […]
- [P0131: Oxygen Sensor Circuit Low Voltage (Bank 1, Sensor 1)](https://obdcode.org/p0131/): What does the P0131 Oxygen Sensor Circuit Low Voltage (Bank 1, Sensor 1) mean? P0131 code gets triggered when the Engine Control Module detects that the voltage from the oxygen sensor—also known as the air-fuel ratio sensor—has remained below 400 molts for more than 20 seconds, causing the engine to run either too rich or too lean. Specifically, we’re talking about the oxygen sensor for Bank 1, Sensor 1. When the P0131 Triggers? Your vehicle’s oxygen sensor plays a vital role in monitoring the oxygen content in the exhaust gases. It sends this data to the ECU, which then uses […]
- [P0130 Code Explained: Oxygen Sensor Circuit Malfunction (Bank 1, Sensor 1) – Causes & Fixes](https://obdcode.org/p0130/): What does the P0130 Oxygen Sensor Circuit Malfunction (Bank 1, Sensor 1) mean? P0130 code gets triggered when the Engine Control Module detects that the voltage from the oxygen sensor—also known as the air-fuel ratio sensor—has stayed in a lean condition for too long, causing the engine to either run too rich or too lean. Specifically, we’re talking about the oxygen sensor for Bank 1, Sensor 1. When the P0130 Triggers? Your vehicle’s oxygen sensor plays a vital role in monitoring the oxygen content in the exhaust gases. It sends this data to the ECU, which then uses it to […]
- [P000D: "B" Camshaft Position Slow Response Bank 2](https://obdcode.org/p000d/): What does the P000D “B” Camshaft Position Slow Response Bank 2 mean? P000D indicates a “camshaft position slow response” issue. This means the camshaft isn’t aligning properly with the crankshaft, which can cause the engine to misfire by not timing the fuel injector and spark plug ignition correctly. Specifically, P000D points to the Exhaust camshaft for Bank 2. When the P000D Triggers? The camshaft position sensor measures the camshaft’s position and sends this data to the Engine Control Unit (ECU). The ECU, in turn, uses this information to control the timing of fuel injection, spark plug ignition, and variable valve […]
- [P000C: "A" Camshaft Position Slow Response Bank 2](https://obdcode.org/p000c/): What does the P000C “A” Camshaft Position Slow Response Bank 2 mean? P000C indicates a “camshaft position slow response” issue. This means the camshaft isn’t aligning properly with the crankshaft, which can cause the engine to misfire by not timing the fuel injector and spark plug ignition correctly. Specifically, P000C points to the Intake camshaft for Bank 2. When the P000C Triggers? The camshaft position sensor measures the camshaft’s position and sends this data to the Engine Control Unit (ECU). The ECU, in turn, uses this information to control the timing of fuel injection, spark plug ignition, and variable valve […]
- [P000B Code Explained: "B" Camshaft Position Slow Response Bank 1 – Causes & Fixes](https://obdcode.org/p000b/): What does the P000B: “B” Camshaft Position Slow Response Bank 1 mean? P000B indicates a “camshaft position slow response” issue. This means the camshaft isn’t aligning properly with the crankshaft, which can cause the engine to misfire by not timing the fuel injector and spark plug ignition correctly. Specifically, P000B points to the Exhaust camshaft for Bank 1. When the P000B Triggers? The camshaft position sensor measures the camshaft’s position and sends this data to the Engine Control Unit (ECU). The ECU, in turn, uses this information to control the timing of fuel injection, spark plug ignition, and variable valve […]
- [P0061: HO2S Heater Resistance (Bank 2, Sensor 3)](https://obdcode.org/p0061/): What does the P0061 HO2S Heater Resistance (Bank 2, Sensor 3) mean? P0061 code gets triggered when the Engine Control Module detects that the resistance in the oxygen sensor heater circuit isn’t within the specified range. Specifically, we’re talking about the oxygen sensor heater circuit for Bank 2, Sensor 3. When the P0061 Triggers? Your vehicle’s oxygen sensor plays a vital role in monitoring the oxygen content in the exhaust gases. It sends this data to the ECU, which then uses it to maintain the optimal air-fuel ratio The ECU controls the air-fuel ratio by adjusting the timing of the […]
- [P0060: HO2S Heater Resistance (Bank 2, Sensor 2)](https://obdcode.org/p0060/): What does the P0060 HO2S Heater Resistance (Bank 2, Sensor 2) mean? P0060 code gets triggered when the Engine Control Module detects that the resistance in the oxygen sensor heater circuit isn’t within the specified range. Specifically, we’re talking about the oxygen sensor heater circuit for Bank 2, Sensor 2. When the P0060 Triggers? Your vehicle’s oxygen sensor plays a vital role in monitoring the oxygen content in the exhaust gases. It sends this data to the ECU, which then uses it to maintain the optimal air-fuel ratio The ECU controls the air-fuel ratio by adjusting the timing of the […]
- [P0059: HO2S Heater Resistance (Bank 2, Sensor 1)](https://obdcode.org/p0059/): What does the P0059 HO2S Heater Resistance (Bank 2, Sensor 1) mean? P0059 code gets triggered when the Engine Control Module detects that the resistance in the oxygen sensor heater circuit isn’t within the specified range. Specifically, we’re talking about the oxygen sensor heater circuit for Bank 2, Sensor 1. When the P0059 Triggers? Your vehicle’s oxygen sensor plays a vital role in monitoring the oxygen content in the exhaust gases. It sends this data to the ECU, which then uses it to maintain the optimal air-fuel ratio The ECU controls the air-fuel ratio by adjusting the timing of the […]
- [P0055: HO2S Heater Resistance (Bank 1, Sensor 3)](https://obdcode.org/p0055/): What does the P0055 HO2S Heater Resistance (Bank 1, Sensor 3) mean? P0055 code gets triggered when the Engine Control Module detects that the resistance in the oxygen sensor heater circuit isn’t within the specified range. Specifically, we’re talking about the oxygen sensor heater circuit for Bank 1, Sensor 3. When the P0055 Triggers? Your vehicle’s oxygen sensor plays a vital role in monitoring the oxygen content in the exhaust gases. It sends this data to the ECU, which then uses it to maintain the optimal air-fuel ratio The ECU controls the air-fuel ratio by adjusting the timing of the […]
- [P0054: HO2S Heater Resistance (Bank 1, Sensor 2)](https://obdcode.org/p0054/): What does the P0054 HO2S Heater Resistance (Bank 1, Sensor 2) mean? P0054 code gets triggered when the Engine Control Module detects that the resistance in the oxygen sensor heater circuit isn’t within the specified range. Specifically, we’re talking about the oxygen sensor heater circuit for Bank 1, Sensor 2. When the P0054 Triggers? Your vehicle’s oxygen sensor plays a vital role in monitoring the oxygen content in the exhaust gases. It sends this data to the ECU, which then uses it to maintain the optimal air-fuel ratio The ECU controls the air-fuel ratio by adjusting the timing of the […]
- [P0053: HO2S Heater Resistance (Bank 1, Sensor 1)](https://obdcode.org/p0053/): What does the P0053 HO2S Heater Resistance (Bank 1, Sensor 1) mean? P0053 code gets triggered when the Engine Control Module detects that the resistance in the oxygen sensor heater circuit isn’t within the specified range. Specifically, we’re talking about the oxygen sensor heater circuit for Bank 1, Sensor 1. When the P0053 Triggers? Your vehicle’s oxygen sensor plays a vital role in monitoring the oxygen content in the exhaust gases. It sends this data to the ECU, which then uses it to maintain the optimal air-fuel ratio The ECU controls the air-fuel ratio by adjusting the timing of the […]
- [P000A Code Explained: "A" Camshaft Position Slow Response Bank 1 – Causes & Fixes](https://obdcode.org/p000a/): What does the P000A “A” Camshaft Position Slow Response Bank 1 mean? P000A indicates a “camshaft position slow response” issue. This means the camshaft isn’t aligning properly with the crankshaft, which can cause the engine to misfire by not timing the fuel injector and spark plug ignition correctly. Specifically, P000A points to the Intake camshaft for Bank 1. When the P000A Triggers? The camshaft position sensor measures the camshaft’s position and sends this data to the Engine Control Unit (ECU). The ECU, in turn, uses this information to control the timing of fuel injection, spark plug ignition, and variable valve […]
- [P0064: HO2S Heater Control Circuit High (Bank 2, Sensor 3)](https://obdcode.org/p0064/): What does the P0064 HO2S Heater Control Circuit High (Bank 2, Sensor 3) mean? P0064 code gets triggered when the Engine Control Module detects that the voltage in the heater circuit of the oxygen sensor is higher than expected. Specifically, we’re talking about the oxygen sensor heater circuit for Bank 2, Sensor 3. When the P0064 Triggers? Your vehicle’s oxygen sensor plays a vital role in monitoring the oxygen content in the exhaust gases. It sends this data to the ECU, which then uses it to maintain the optimal air-fuel ratio The ECU controls the air-fuel ratio by adjusting the […]

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- [Stop Overpaying for Car Repairs](https://obdcode.org/free-diy-guide/): Download the FREE guide that every car DIYer should read before visiting a mechanic. Understand warning lights, OBD codes, sensors, and common mistakes that cost car owners thousands. What’s inside “10 Things Every Car DIYer Should Know” Get the FREE DIY Car Guide Enter your email below and get instant access to the PDF. Enter your FIRSTNAME Enter your email address Provide your email address, we will send the PDF in your mail. For e.g abc@xyz.com Get Instant Access ✔ What dashboard warning lights REALLY mean✔ Why OBD codes don’t automatically mean expensive repairs✔ Common DIY-fixable issues most mechanics don’t […]
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- [P0100-P0199](https://obdcode.org/p0100-p0199/): This section covers OBD-II codes P0100 to P0199, which are primarily related to Secondary Air Injection System. At OBDCode.org, we are committed to providing you with detailed and accurate information about OBD-II codes—all in one site. Here’s what you can expect: If the OBD code you’re searching for isn’t covered yet—don’t worry! This site is constantly growing with new information and resources added regularly. Be sure to check back soon for updates. DTC Code Description P0100 Mass or Volume Air Flow “A” Circuit Malfunction P0101 Mass or Volume Air Flow “A” Circuit Range/Performance Problem P0102 Mass or Volume Air Flow […]
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- [About Us](https://obdcode.org/about-us/): Welcome to obdcode.org, your ultimate resource for understanding and troubleshooting OBD-II codes. Our mission is to empower vehicle owners, mechanics, and enthusiasts with the knowledge they need to diagnose and resolve automotive issues effectively. Who We Are At obdcode.org, we are a team of automotive enthusiasts and experts passionate about simplifying vehicle diagnostics. With years of experience in the automotive industry, we understand the challenges that come with deciphering OBD-II codes and troubleshooting modern vehicles. Our platform was created to make this process more accessible, accurate, and user-friendly. What We Offer Our Vision We believe that knowledge is power, and […]
- [U3000-U3999](https://obdcode.org/u3000-u3999/): At OBDCode.org, we are committed to providing you with detailed and accurate information about OBD-II codes—all in one site. Here’s what you can expect: If the OBD code you’re searching for isn’t covered yet—don’t worry! This site is constantly growing with new information and resources added regularly. Be sure to check back soon for updates. U3000 Control Module U3001 Control Module Improper Shutdown U3002 Vehicle Identification Number U3003 Battery Voltage U3004 Accessory Power Relay U3005 Retained Accessory Power U3006 Control Module Input Power “A” U3007 Control Module Input Power “B” U3008 Control Module Ground “A” U3009 Control Module Ground “B” […]
- [U2000-U2999](https://obdcode.org/u2000-u2999/): At OBDCode.org, we are committed to providing you with detailed and accurate information about OBD-II codes—all in one site. Here’s what you can expect: If the OBD code you’re searching for isn’t covered yet—don’t worry! This site is constantly growing with new information and resources added regularly. Be sure to check back soon for updates. U2000 Audio Rear Control Unit is Not Responding U2001 Audio Tape Deck Unit is Not Responding U2002 Audio Bezel is Not Responding U2003 Audio Compact Disk / Disk Jockey Unit is Not Responding U2004 Audio Steering Wheel Control Unit is Not Responding U2005 Audio Rear […]
- [U1000-U1999](https://obdcode.org/u1000-u1999/): At OBDCode.org, we are committed to providing you with detailed and accurate information about OBD-II codes—all in one site. Here’s what you can expect: If the OBD code you’re searching for isn’t covered yet—don’t worry! This site is constantly growing with new information and resources added regularly. Be sure to check back soon for updates. U1000 SCP (J1850) Invalid or Missing Data for Primary Id U1001 SCP (J1850) Invalid or Missing Data for Primary Id U1002 SCP (J1850) Invalid or Missing Data for Primary Id U1003 SCP (J1850) Invalid or Missing Data for Primary Id U1004 SCP (J1850) Invalid or […]
- [U0400-U0499](https://obdcode.org/u0400-u0499/): At OBDCode.org, we are committed to providing you with detailed and accurate information about OBD-II codes—all in one site. Here’s what you can expect: If the OBD code you’re searching for isn’t covered yet—don’t worry! This site is constantly growing with new information and resources added regularly. Be sure to check back soon for updates. U0400 Invalid data received U0401 Invalid data received – engine control module (ECM) U0402 Invalid data received – transmission control module (TCM) U0403 Invalid data received – transfer box control module U0404 Invalid data received – gear shift module U0405 Invalid data received – cruise […]
- [U0300-U0399](https://obdcode.org/u0300-u0399/): At OBDCode.org, we are committed to providing you with detailed and accurate information about OBD-II codes—all in one site. Here’s what you can expect: If the OBD code you’re searching for isn’t covered yet—don’t worry! This site is constantly growing with new information and resources added regularly. Be sure to check back soon for updates. U0300 Control module – internal software incompatibility U0301 Software incompatibility – engine control module (ECM) U0302 Software incompatibility – transmission control module (TCM) U0303 Software incompatibility – transfer box control module U0304 Software incompatibility – gear shift module U0305 Software incompatibility – cruise control module […]
- [U0200-U0299](https://obdcode.org/u0200-u0299/): At OBDCode.org, we are committed to providing you with detailed and accurate information about OBD-II codes—all in one site. Here’s what you can expect: If the OBD code you’re searching for isn’t covered yet—don’t worry! This site is constantly growing with new information and resources added regularly. Be sure to check back soon for updates. U0200 Data bus: door function control module B – no communication U0201 Data bus: door function control module C – no communication U0202 Data bus: door function control module D – no communication U0203 Data bus: door function control module E – no communication U0204 […]
- [U0100-U0199](https://obdcode.org/u0100-u0199/): At OBDCode.org, we are committed to providing you with detailed and accurate information about OBD-II codes—all in one site. Here’s what you can expect: If the OBD code you’re searching for isn’t covered yet—don’t worry! This site is constantly growing with new information and resources added regularly. Be sure to check back soon for updates. U0100 Data bus: engine control module (ECM) A – no communication U0101 Data bus: transmission control module (TCM) – no communication U0102 Data bus: transfer box control module – no communication U0103 Data bus: gear shift module – no communication / System relay – low […]
- [U0000-U0099](https://obdcode.org/u0000-u0099/): At OBDCode.org, we are committed to providing you with detailed and accurate information about OBD-II codes—all in one site. Here’s what you can expect: If the OBD code you’re searching for isn’t covered yet—don’t worry! This site is constantly growing with new information and resources added regularly. Be sure to check back soon for updates. U0001 Controller area network (CAN) data bus: high speed bus/communication control module U0002 Controller area network (CAN) data bus: high speed bus – performance problem/ configuration error U0003 Controller area network (CAN) data bus: high speed bus(+)- open circuit U0004 Controller area network (CAN) data […]
- [B3000-B3999](https://obdcode.org/b3000-b3999/): At OBDCode.org, we are committed to providing you with detailed and accurate information about OBD-II codes—all in one site. Here’s what you can expect: If the OBD code you’re searching for isn’t covered yet—don’t worry! This site is constantly growing with new information and resources added regularly. Be sure to check back soon for updates. B3000 ISO/SAE Reserved B3004 Right Rear Door Ajar – Circuit High
- [B2000-B2999](https://obdcode.org/b2000-b2999/): At OBDCode.org, we are committed to providing you with detailed and accurate information about OBD-II codes—all in one site. Here’s what you can expect: If the OBD code you’re searching for isn’t covered yet—don’t worry! This site is constantly growing with new information and resources added regularly. Be sure to check back soon for updates. B2000 ISO/SAE Reserved B2097 Compass Module Failure (Ford) B2100 Door Driver Key Cylinder Switch Failure B2101 Head Rest Switch Circuit Failure B2102 Antenna Circuit Short to Ground B2103 Antenna Not Connected B2104 Door Passenger Key Cylinder Switch Failure B2105 Throttle Position Input Out of Range […]
- [B1000-B1999](https://obdcode.org/b1000-b1999/): At OBDCode.org, we are committed to providing you with detailed and accurate information about OBD-II codes—all in one site. Here’s what you can expect: If the OBD code you’re searching for isn’t covered yet—don’t worry! This site is constantly growing with new information and resources added regularly. Be sure to check back soon for updates. B1000 Manufacturer Controlled DTC B1039 Audio [+] output #2 (RF) circuit open B1200 Climate Control Pushbutton Circuit Failure B1201 Fuel Sender Circuit Failure B1202 Fuel Sender Circuit Open B1203 Fuel Sender Circuit Short To Battery B1204 Fuel Sender Circuit Short To Ground B1205 EIC Switch-1 […]
- [B0000-B0999](https://obdcode.org/b0000-b0999/): At OBDCode.org, we are committed to providing you with detailed and accurate information about OBD-II codes—all in one site. Here’s what you can expect: If the OBD code you’re searching for isn’t covered yet—don’t worry! This site is constantly growing with new information and resources added regularly. Be sure to check back soon for updates. B0000 ISO/SAE Reserved / Vehicle speed information circuit malfunction (Chevy, GM) B0001 Driver Frontal Stage 1 Deployment Control (Subfault) B0002 Driver Frontal Stage 2 Deployment Control (Subfault) B0003 Driver Frontal Stage 3 Deployment Control (Subfault) B0004 Driver Knee Bolster Deployment Control (Subfault) B0005 Collapsible Steering […]
- [P2F00-P2F99](https://obdcode.org/p2f00-p2f99/): At OBDCode.org, we are committed to providing you with detailed and accurate information about OBD-II codes—all in one site. Here’s what you can expect: If the OBD code you’re searching for isn’t covered yet—don’t worry! This site is constantly growing with new information and resources added regularly. Be sure to check back soon for updates. P2F00 – P2F99 ISO/SAE Reserved
- [P2E00-P2E99](https://obdcode.org/p2e00-p2e99/): At OBDCode.org, we are committed to providing you with detailed and accurate information about OBD-II codes—all in one site. Here’s what you can expect: If the OBD code you’re searching for isn’t covered yet—don’t worry! This site is constantly growing with new information and resources added regularly. Be sure to check back soon for updates. P2E00 – P2E99 ISO/SAE Reserved
- [P2D00-P2D99](https://obdcode.org/p2d00-p2d99/): At OBDCode.org, we are committed to providing you with detailed and accurate information about OBD-II codes—all in one site. Here’s what you can expect: If the OBD code you’re searching for isn’t covered yet—don’t worry! This site is constantly growing with new information and resources added regularly. Be sure to check back soon for updates. P2D00 – P2D99 ISO/SAE Reserved
- [P2C00-P2C99](https://obdcode.org/p2c00-p2c99/): At OBDCode.org, we are committed to providing you with detailed and accurate information about OBD-II codes—all in one site. Here’s what you can expect: If the OBD code you’re searching for isn’t covered yet—don’t worry! This site is constantly growing with new information and resources added regularly. Be sure to check back soon for updates. P2C00 – P2C99 ISO/SAE Reserved
- [P2B00-P2B99](https://obdcode.org/p2b00-p2b99/): At OBDCode.org, we are committed to providing you with detailed and accurate information about OBD-II codes—all in one site. Here’s what you can expect: If the OBD code you’re searching for isn’t covered yet—don’t worry! This site is constantly growing with new information and resources added regularly. Be sure to check back soon for updates. P2B00 – P2BA6 ISO/SAE Reserved P2BA7 NOx Exceedence – Empty Reagent Tank P2BA8 NOx Exceedence – Interruption of Reagent Dosing Activity P2BA9 NOx Exceedence – Insufficient Reagent Quality P2BAA NOx Exceedence – Low Reagent Consumption P2BAB NOx Exceedence – Incorrect EGR Flow P2BAC NOx Exceedence […]
- [P2A00-P2A99](https://obdcode.org/p2a00-p2a99/): At OBDCode.org, we are committed to providing you with detailed and accurate information about OBD-II codes—all in one site. Here’s what you can expect: If the OBD code you’re searching for isn’t covered yet—don’t worry! This site is constantly growing with new information and resources added regularly. Be sure to check back soon for updates. DTC Code Description P2A00 Heated oxygen sensor (H02S) 1, bank 1 – range/performance problem P2A01 Heated oxygen sensor (H028) 2, bank 1 – range/performance problem P2A02 Heated oxygen sensor (H02S) 3, bank 1 – range/performance problem P2A03 Heated oxygen sensor (H028) 1, bank 2- range/performance […]
- [CXXXX](https://obdcode.org/cxxxx/)
- [BXXXX](https://obdcode.org/bxxxx/): BXXXX codes are related to the body system of the vehicle, which includes components like airbags, seatbelts, climate control, and other interior features. These codes help identify issues that could affect the comfort and safety of the vehicle’s occupants. NOTICE: Due to the massive number of codes in the listing, we have split them up into multiple pages. Choose the section of codes based on the first three characters of the code (e.g., B0071 is on the B0000 through B0999 page).
- [UXXXX](https://obdcode.org/uxxxx/): UXXXX codes are related to the vehicle’s communication network. Modern vehicles have multiple control modules (computers) that communicate with each other to ensure smooth operation. U codes indicate problems with the communication between these modules. Here’s a breakdown: U0XXX: Generic or global codes. U1XXX: Manufacturer-specific codes. NOTICE: Due to the massive number of codes in the listing, we have split them up into multiple pages. Choose the section of codes based on the first three characters of the code (e.g., U0071 is on the U0000 through U0099 page).
- [P3400-P3499](https://obdcode.org/p3400-p3499/): At OBDCode.org, we are committed to providing you with detailed and accurate information about OBD-II codes—all in one site. Here’s what you can expect: If the OBD code you’re searching for isn’t covered yet—don’t worry! This site is constantly growing with new information and resources added regularly. Be sure to check back soon for updates. P3400 Cylinder Deactivation System P3401 Cylinder 1 Deactivation/Intake Valve Control Circuit/Open P3402 Cylinder 1 Deactivation/Intake Valve Control Circuit Performance P3403 Cylinder 1 Deactivation/Intake Valve Control Circuit Low P3404 Cylinder 1 Deactivation/Intake Valve Control Circuit High P3405 Cylinder 1 Exhaust Valve Control Circuit/Open P3406 Cylinder 1 […]
- [P3300-P3399](https://obdcode.org/p3300-p3399/): At OBDCode.org, we are committed to providing you with detailed and accurate information about OBD-II codes—all in one site. Here’s what you can expect: If the OBD code you’re searching for isn’t covered yet—don’t worry! This site is constantly growing with new information and resources added regularly. Be sure to check back soon for updates. P3300 Manufacturer Controlled DTC
- [P3200-P3299](https://obdcode.org/p3200-p3299/): At OBDCode.org, we are committed to providing you with detailed and accurate information about OBD-II codes—all in one site. Here’s what you can expect: If the OBD code you’re searching for isn’t covered yet—don’t worry! This site is constantly growing with new information and resources added regularly. Be sure to check back soon for updates. P3200 Manufacturer Controlled DTC P3264 Mass or Volume Air Flow Too Low Due to Sensor Drift (BMW)
- [P3100-P3199](https://obdcode.org/p3100-p3199/): At OBDCode.org, we are committed to providing you with detailed and accurate information about OBD-II codes—all in one site. Here’s what you can expect: If the OBD code you’re searching for isn’t covered yet—don’t worry! This site is constantly growing with new information and resources added regularly. Be sure to check back soon for updates. P3100 Cylinder 1 High-Pressure Injector Low Side Circuit Open (BMW / MINI) P316A Engine Coolant Temperature Signal Stuck High (BMW) P3190 Poor Engine Power (Toyota) P3193 Fuel Run Out (Toyota)
- [P3000-P3099](https://obdcode.org/p3000-p3099/): At OBDCode.org, we are committed to providing you with detailed and accurate information about OBD-II codes—all in one site. Here’s what you can expect: If the OBD code you’re searching for isn’t covered yet—don’t worry! This site is constantly growing with new information and resources added regularly. Be sure to check back soon for updates. P3000 Manufacturer Controlled DTC Bank 1 P3003 Engine coolant heater relay 1, low output P3007 Camshaft Sensor Fault P3008 Camshaft position (CMP) sensor – signal limit exceeded (VW) P3019 Battery Block 9 Becomes Weak (Toyota) P3023 Battery Block 13 Becomes Weak
- [P2900-P2999](https://obdcode.org/p2900-p2999/): At OBDCode.org, we are committed to providing you with detailed and accurate information about OBD-II codes—all in one site. Here’s what you can expect: If the OBD code you’re searching for isn’t covered yet—don’t worry! This site is constantly growing with new information and resources added regularly. Be sure to check back soon for updates. Code Descriptions P2900 ISO/SAE Reserved P2999 ISO/SAE Reserved
- [P2800-P2899](https://obdcode.org/p2800-p2899/): This section covers OBD-II codes P2700 to P2799, which are primarily related to Transmission. At OBDCode.org, we are committed to providing you with detailed and accurate information about OBD-II codes—all in one site. Here’s what you can expect: If the OBD code you’re searching for isn’t covered yet—don’t worry! This site is constantly growing with new information and resources added regularly. Be sure to check back soon for updates. DTC Code P2800 Transmission Range Sensor “B” Circuit (PRNDL Input) P2801 Transmission Range Sensor “B” Circuit Range/Performance P2802 Transmission Range Sensor “B” Circuit Low P2803 Transmission Range Sensor “B” Circuit High […]
- [P2700-P2799](https://obdcode.org/p2700-p2799/): This section covers OBD-II codes P2700 to P2799, which are primarily related to Transmission. At OBDCode.org, we are committed to providing you with detailed and accurate information about OBD-II codes—all in one site. Here’s what you can expect: If the OBD code you’re searching for isn’t covered yet—don’t worry! This site is constantly growing with new information and resources added regularly. Be sure to check back soon for updates. DTC Code Description P2700 Transmission friction element A, apply time – range/performance problem P2701 Transmission friction element B, apply time – range/performance problem P2702 Transmission friction element C, apply time – […]
- [P2600-P2699](https://obdcode.org/p2600-p2699/): This section covers OBD-II codes P2600 to P2699, which are primarily related to ECM – computer output circuit. At OBDCode.org, we are committed to providing you with detailed and accurate information about OBD-II codes—all in one site. Here’s what you can expect: If the OBD code you’re searching for isn’t covered yet—don’t worry! This site is constantly growing with new information and resources added regularly. Be sure to check back soon for updates. DTC Code Description P2600 Engine coolant pump motor – open circuit P2601 Engine coolant pump motor- range/performance problem P2602 Engine coolant pump motor- circuit low P2603 Engine […]
- [P2500-P2599](https://obdcode.org/p2500-p2599/): This section covers OBD-II codes P2500 to P2599, which are primarily related to Vehicle or idle speed control. At OBDCode.org, we are committed to providing you with detailed and accurate information about OBD-II codes—all in one site. Here’s what you can expect: If the OBD code you’re searching for isn’t covered yet—don’t worry! This site is constantly growing with new information and resources added regularly. Be sure to check back soon for updates. DTC Code Description P2500 Alternator warning lamp, L-terminal – circuit low P2501 Alternator warning lamp, L-terminal – circuit high P2502 Charging system voltage P2503 Charging system – […]
- [P2400-P2499](https://obdcode.org/p2400-p2499/): This section covers OBD-II codes P2400 to P2499, which are primarily related to Emission Control. At OBDCode.org, we are committed to providing you with detailed and accurate information about OBD-II codes—all in one site. Here’s what you can expect: If the OBD code you’re searching for isn’t covered yet—don’t worry! This site is constantly growing with new information and resources added regularly. Be sure to check back soon for updates. DTC Code Description P2400 Evaporative emission (EVAP) leak detection pump, control – open circuit P2401 Evaporative emission (EVAP) leak detection pump, control – circuit low P2402 Evaporative emission (EVAP) leak […]
- [P2300-P2399](https://obdcode.org/p2300-p2399/): This section covers OBD-II codes P2300 to P2399, which are primarily related to Ignition system or misfire. At OBDCode.org, we are committed to providing you with detailed and accurate information about OBD-II codes—all in one site. Here’s what you can expect: If the OBD code you’re searching for isn’t covered yet—don’t worry! This site is constantly growing with new information and resources added regularly. Be sure to check back soon for updates. P-Code Description P2300 Ignition Coil “A” Primary Control Circuit Low P2301 Ignition Coil “A” Primary Control Circuit High P2302 Ignition Coil “A” Secondary Circuit P2303 Ignition Coil “B” […]
- [P2200-P2299](https://obdcode.org/p2200-p2299/): This section covers OBD-II codes P2200 to P2299, which are primarily related to Fuel and air metering and auxiliary emission control. At OBDCode.org, we are committed to providing you with detailed and accurate information about OBD-II codes—all in one site. Here’s what you can expect: If the OBD code you’re searching for isn’t covered yet—don’t worry! This site is constantly growing with new information and resources added regularly. Be sure to check back soon for updates. Code Description P2200 NOx Sensor Circuit Bank 1 P2201 NOx Sensor Circuit Range/Performance Bank 1 P2202 NOx Sensor Circuit Low Bank 1 P2203 NOx Sensor […]
- [P2100-P2199](https://obdcode.org/p2100-p2199/): This section covers OBD-II codes P2100 to P2199, which are primarily related to Fuel and air metering and auxiliary emission control. At OBDCode.org, we are committed to providing you with detailed and accurate information about OBD-II codes—all in one site. Here’s what you can expect: If the OBD code you’re searching for isn’t covered yet—don’t worry! This site is constantly growing with new information and resources added regularly. Be sure to check back soon for updates. DTC Code Description P2100 Throttle Actuator “A” Control Motor Circuit/Open P2101 Throttle Actuator “A” Control Motor Circuit Range/Performance P2102 Throttle Actuator “A” Control Motor Circuit […]
- [P2000-P2099](https://obdcode.org/p2000-p2099/): This section covers OBD-II codes P2000 to P2099, which are primarily related to Fuel and air metering and auxiliary emission control. At OBDCode.org, we are committed to providing you with detailed and accurate information about OBD-II codes—all in one site. Here’s what you can expect: If the OBD code you’re searching for isn’t covered yet—don’t worry! This site is constantly growing with new information and resources added regularly. Be sure to check back soon for updates. DTC Code Description P2000 NOx Adsorber Efficiency Below Threshold Bank 1 P2001 NOx Adsorber Efficiency Below Threshold Bank 2 P2002 Diesel Particulate Filter Efficiency Below […]
- [P0200-P0299](https://obdcode.org/p0200-p0299/): This section covers OBD-II codes P0200 to P0299, which are primarily related to Fuel System. At OBDCode.org, we are committed to providing you with detailed and accurate information about OBD-II codes—all in one site. Here’s what you can expect: If the OBD code you’re searching for isn’t covered yet—don’t worry! This site is constantly growing with new information and resources added regularly. Be sure to check back soon for updates. DTC Code Description P0200 Injector Circuit Malfunction P0201 Injector Circuit Malfunction – Cylinder 1 P0202 Injector Circuit Malfunction – Cylinder 2 P0203 Injector Circuit Malfunction – Cylinder 3 P0204 Injector […]
- [P0C00-P0C99](https://obdcode.org/p0c00-p0c99/): This section covers OBD-II codes P0C00 to P0C99, which are primarily related to Hybrid Car. At OBDCode.org, we are committed to providing you with detailed and accurate information about OBD-II codes—all in one site. Here’s what you can expect: If the OBD code you’re searching for isn’t covered yet—don’t worry! This site is constantly growing with new information and resources added regularly. Be sure to check back soon for updates. DTC Code Description P0C00 Drive Motor “A” Current Low P0C01 Drive Motor “A” Current High P0C02 Drive Motor “B” Current P0C03 Drive Motor “B” Current Low P0C04 Drive Motor “B” […]
- [P0B00-P0B99](https://obdcode.org/p0b00-p0b99/): This section covers OBD-II codes P0B00 to P0B99, which are primarily related to Hybrid Car. At OBDCode.org, we are committed to providing you with detailed and accurate information about OBD-II codes—all in one site. Here’s what you can expect: If the OBD code you’re searching for isn’t covered yet—don’t worry! This site is constantly growing with new information and resources added regularly. Be sure to check back soon for updates. DTC Code Description P0B00 Auxiliary Transmission Fluid Pump Motor Phase U Current P0B01 Auxiliary Transmission Fluid Pump Motor Phase U Current Low P0B02 Auxiliary Transmission Fluid Pump Motor Phase U […]
- [P0A00-P0A99](https://obdcode.org/p0a00-p0a99/): This section covers OBD-II codes P0A00 to P0A99, which are primarily related to Hybrid Car. At OBDCode.org, we are committed to providing you with detailed and accurate information about OBD-II codes—all in one site. Here’s what you can expect: If the OBD code you’re searching for isn’t covered yet—don’t worry! This site is constantly growing with new information and resources added regularly. Be sure to check back soon for updates. DTC Code Description P0A00 Motor Electronics Coolant Temperature Sensor Circuit P0A01 Motor Electronics Coolant Temperature Sensor Circuit Range/Performance P0A02 Motor Electronics Coolant Temperature Sensor Circuit Low P0A03 Motor Electronics Coolant […]
- [P0900-P0999](https://obdcode.org/p0900-p0999/): This section covers OBD-II codes P0900 to P0999, which are primarily related to Transmission Powertrain Generic DTCs. At OBDCode.org, we are committed to providing you with detailed and accurate information about OBD-II codes—all in one site. Here’s what you can expect: If the OBD code you’re searching for isn’t covered yet—don’t worry! This site is constantly growing with new information and resources added regularly. Be sure to check back soon for updates. DTC Code Description P0900 Clutch Actuator Circuit/Open P0901 Clutch Actuator Circuit Range/Performance P0902 Clutch Actuator Circuit Low P0903 Clutch Actuator Circuit High P0904 Gate Select Position Circuit P0905 […]
- [P0800-P0899](https://obdcode.org/p0800-p0899/): This section covers OBD-II codes P0800 to P0899, which are primarily related to Transmission Powertrain Generic DTCs. At OBDCode.org, we are committed to providing you with detailed and accurate information about OBD-II codes—all in one site. Here’s what you can expect: If the OBD code you’re searching for isn’t covered yet—don’t worry! This site is constantly growing with new information and resources added regularly. Be sure to check back soon for updates. DTC Code Description P0800 Transfer Case Control System (MIL Request) P0801 Reverse Inhibit Control Circuit Malfunction P0802 Transmission Control System MIL Request Circuit/Open P0803 1-4 Upshift (Skip Shift) […]
- [P0700-P0799](https://obdcode.org/p0700-p0799/): This section covers OBD-II codes P0700 to P0799, which are primarily related to Transmission Powertrain Generic DTCs. At OBDCode.org, we are committed to providing you with detailed and accurate information about OBD-II codes—all in one site. Here’s what you can expect: If the OBD code you’re searching for isn’t covered yet—don’t worry! This site is constantly growing with new information and resources added regularly. Be sure to check back soon for updates. DTC Code Description P0700 Transmission Control System Malfunction P0701 Transmission Control System Range/Performance P0702 Transmission Control System Electrical P0703 Torque Converter/Brake Switch B Circuit Malfunction P0704 Clutch Switch […]
- [P0600-P0699](https://obdcode.org/p0600-p0699/): This section covers OBD-II codes P0600 to P0699, which are primarily related to ECM – computer output circuit. At OBDCode.org, we are committed to providing you with detailed and accurate information about OBD-II codes—all in one site. Here’s what you can expect: If the OBD code you’re searching for isn’t covered yet—don’t worry! This site is constantly growing with new information and resources added regularly. Be sure to check back soon for updates. DTC Code Description P0600 Serial Communication Link Malfunction P0601 Internal Control Module Memory Check Sum Error P0602 Control Module Programming Error P0603 Internal Control Module Keep Alive […]
- [P0500-P0599](https://obdcode.org/p0500-p0599/): This section covers OBD-II codes P0500 to P0599, which are primarily related to Vehicle or idle speed control. At OBDCode.org, we are committed to providing you with detailed and accurate information about OBD-II codes—all in one site. Here’s what you can expect: If the OBD code you’re searching for isn’t covered yet—don’t worry! This site is constantly growing with new information and resources added regularly. Be sure to check back soon for updates. DTC Code Description P0500 Vehicle Speed Sensor “A” Malfunction P0501 Vehicle Speed Sensor “A” Range/Performance P0502 Vehicle Speed Sensor “A” Low Input P0503 Vehicle Speed Sensor “A” […]
- [P0400-P0499](https://obdcode.org/p0400-p0499/): This section covers OBD-II codes P0400 to P0499, which are primarily related to Exhaust Monitoring System. At OBDCode.org, we are committed to providing you with detailed and accurate information about OBD-II codes—all in one site. Here’s what you can expect: If the OBD code you’re searching for isn’t covered yet—don’t worry! This site is constantly growing with new information and resources added regularly. Be sure to check back soon for updates. DTC Code Description P0400 Exhaust gas recirculation (EGR) system -flow malfunction P0401 Exhaust gas recirculation (EGR) system -insufficient flow detected P0402 Exhaust gas recirculation (EGR) system -excessive flow detected […]
- [P0300-P0399](https://obdcode.org/p0300-p0399/): This section covers OBD-II codes P0300 to P0399, which are primarily related to Ignition System. At OBDCode.org, we are committed to providing you with detailed and accurate information about OBD-II codes—all in one site. Here’s what you can expect: If the OBD code you’re searching for isn’t covered yet—don’t worry! This site is constantly growing with new information and resources added regularly. Be sure to check back soon for updates. DTC Code Description P0300 Random/multiple cylinder(s) -misfire detected P0301 Cylinder 1 -misfire detected P0302 Cylinder 2 -misfire detected P0303 Cylinder 3 -misfire detected P0304 Cylinder 4 -misfire detected P0305 Cylinder […]
- [P0000-P0099](https://obdcode.org/p0000-p0099/): This section covers OBD-II codes P0001 to P0099, which are primarily related to Fuel and Air Metering and Auxiliary Emission Controls. These codes help identify issues that affect the engine’s air-fuel mixture and the vehicle’s emission control systems. At OBDCode.org, we are committed to providing you with detailed and accurate information about OBD-II codes—all in one site. Here’s what you can expect: If the OBD code you’re searching for isn’t covered yet—don’t worry! This site is constantly growing with new information and resources added regularly. Be sure to check back soon for updates. DTC Code Description P0000 ISO/SAE Reserved P0001 […]
- [PXXXX](https://obdcode.org/pxxxx/): This list contains standard Diagnostic Trouble Codes (DTCs) that are used by all manufacturers to identify vehicle problems. The codes provided below are generic and may not apply to all vehicles. Vehicle manufacturers may use manufacturer-specific DTC codes that differ slightly from the codes below. NOTICE: Due to the massive amount of codes in the listing, we have split them up into multiple pages. Choose the section of codes based on the first three characters of the code (e.g., P0171 is on the P01xx or P0100 through P0199 page).
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- [Home](https://obdcode.org/): OBD-II Code Overview OBD-II (On-Board Diagnostics II) codes are standardized codes used by your vehicle’s onboard computer to identify and diagnose problems. By understanding these codes, you can pinpoint the issue and take the necessary steps to fix it. OBD-II codes are divided into four main categories: PXXXX, UXXXX, CXXXX, and BXXXX. Most OBD-II codes are directly tied to sensor data. That’s why understanding how car sensors work is essential for accurate diagnosis. Without sensor knowledge, it’s easy to misinterpret a code and replace the wrong part, leading to wasted time and money. PXXXX: Powertrain Codes PXXXX codes are related […]


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