This section covers OBD-II codes P2100 to P2199, which are primarily related to Fuel and air metering and auxiliary emission control.

CodeDescription
P2100Throttle Actuator “A” Control Motor Circuit/Open
P2101Throttle Actuator “A” Control Motor Circuit Range/Performance
P2102Throttle Actuator “A” Control Motor Circuit Low
P2103Throttle Actuator “A” Control Motor Circuit High
P2104Throttle Actuator Control System – Forced Idle
P2105Throttle Actuator Control System – Forced Engine Shutdown
P2106Throttle Actuator Control System – Forced Limited Power
P2107Throttle Actuator Control Module Processor
P2108Throttle Actuator Control Module Performance
P2109Throttle/Pedal Position Sensor “A” Minimum Stop Performance
P210AThrottle Actuator “B” Control Motor Circuit/Open
P210BThrottle Actuator “B” Control Motor Circuit Range/Performance
P210CThrottle Actuator “B” Control Motor Circuit Low
P210DThrottle Actuator “B” Control Motor Circuit High
P210EThrottle/Pedal Position Sensor/Switch “C”/”F” Voltage Correlation
P210FISO/SAE Reserved
P2110Throttle Actuator Control System – Forced Limited RPM
P2111Throttle Actuator Control System – Stuck Open
P2112Throttle Actuator Control System – Stuck Closed
P2113Throttle/Pedal Position Sensor “B” Minimum Stop Performance
P2114Throttle/Pedal Position Sensor “C” Minimum Stop Performance
P2115Throttle/Pedal Position Sensor “D” Minimum Stop Performance
P2116Throttle/Pedal Position Sensor “E” Minimum Stop Performance
P2117Throttle/Pedal Position Sensor “F” Minimum Stop Performance
P2118Throttle Actuator Control Motor Current Range/Performance
P2119Throttle Actuator Control Throttle Body Range/Performance
P211AISO/SAE Reserved
P211BISO/SAE Reserved
P211CISO/SAE Reserved
P211DISO/SAE Reserved
P211EISO/SAE Reserved
P211FISO/SAE Reserved
P2120Throttle/Pedal Position Sensor/Switch “D” Circuit
P2121Throttle/Pedal Position Sensor/Switch “D” Circuit Range/Performance
P2122Throttle/Pedal Position Sensor/Switch “D” Circuit Low
P2123Throttle/Pedal Position Sensor/Switch “D” Circuit High
P2124Throttle/Pedal Position Sensor/Switch “D” Circuit Intermittent
P2125Throttle/Pedal Position Sensor/Switch “E” Circuit
P2126Throttle/Pedal Position Sensor/Switch “E” Circuit Range/Performance
P2127Throttle/Pedal Position Sensor/Switch “E” Circuit Low
P2128Throttle/Pedal Position Sensor/Switch “E” Circuit High
P2129Throttle/Pedal Position Sensor/Switch “E” Circuit Intermittent
P212AThrottle Position Sensor/Switch “G” Circuit
P212BThrottle Position Sensor/Switch “G” Circuit Range/Performance
P212CThrottle Position Sensor/Switch “G” Circuit Low
P212DThrottle Position Sensor/Switch “G” Circuit High
P212EThrottle Position Sensor/Switch “G” Circuit Intermittent
P212FISO/SAE Reserved
P2130Throttle/Pedal Position Sensor/Switch “F” Circuit
P2131Throttle/Pedal Position Sensor/Switch “F” Circuit Range/Performance
P2132Throttle/Pedal Position Sensor/Switch “F” Circuit Low
P2133Throttle/Pedal Position Sensor/Switch “F” Circuit High
P2134Throttle/Pedal Position Sensor/Switch “F” Circuit Intermittent
P2135Throttle/Pedal Pos Sensor/Switch A / B Voltage Correlation
P2136Throttle/Pedal Pos Sensor/Switch A / C Voltage Correlation
P2137Throttle/Pedal Pos Sensor/Switch B / C Voltage Correlation
P2138Throttle/Pedal Pos Sensor/Switch D / E Voltage Correlation
P2139Throttle/Pedal Pos Sensor/Switch D / F Voltage Correlation
P213AExhaust Gas Recirculation Throttle Control Circuit “B” /Open
P213BExhaust Gas Recirculation Throttle Control Circuit “B” Range/Performance
P213CExhaust Gas Recirculation Throttle Control Circuit “B” Low
P213DExhaust Gas Recirculation Throttle Control Circuit “B” High
P213EFuel Injection System Fault – Forced Engine Shutdown
P213FFuel Pump System Fault – Forced Engine Shutdown
P2140Throttle/Pedal Pos Sensor/Switch E / F Voltage Correlation
P2141Exhaust Gas Recirculation Throttle Control Circuit “A” Low
P2142Exhaust Gas Recirculation Throttle Control Circuit “A” High
P2143Exhaust Gas Recirculation Vent Control Circuit/Open
P2144Exhaust Gas Recirculation Vent Control Circuit Low
P2145Exhaust Gas Recirculation Vent Control Circuit High
P2146Fuel Injector Group “A” Supply Voltage Circuit/Open
P2147Fuel Injector Group “A” Supply Voltage Circuit Low
P2148Fuel Injector Group “A” Supply Voltage Circuit High
P2149Fuel Injector Group “B” Supply Voltage Circuit/Open
P214AISO/SAE Reserved
P214BISO/SAE Reserved
P214CISO/SAE Reserved
P214DISO/SAE Reserved
P214EISO/SAE Reserved
P214FISO/SAE Reserved
P2150Fuel Injector Group “B” Supply Voltage Circuit Low
P2151Fuel Injector Group “B” Supply Voltage Circuit High
P2152Fuel Injector Group “C” Supply Voltage Circuit/Open
P2153Fuel Injector Group “C” Supply Voltage Circuit Low
P2154Fuel Injector Group “C” Supply Voltage Circuit High
P2155Fuel Injector Group “D” Supply Voltage Circuit/Open
P2156Fuel Injector Group “D” Supply Voltage Circuit Low
P2157Fuel Injector Group “D” Supply Voltage Circuit High
P2158Vehicle Speed Sensor “B”
P2159Vehicle Speed Sensor “B” Range/Performance
P215AVehicle Speed – Wheel Speed Correlation
P215BVehicle Speed – Output Shaft Speed Correlation
P215COutput Shaft Speed – Wheel Speed Correlation
P215DISO/SAE Reserved
P215EISO/SAE Reserved
P215FISO/SAE Reserved
P2160Vehicle Speed Sensor “B” Circuit Low
P2161Vehicle Speed Sensor “B” Intermittent/Erratic/High
P2162Vehicle Speed Sensor “A”/”B” Correlation
P2163Throttle/Pedal Position Sensor “A” Maximum Stop Performance
P2164Throttle/Pedal Position Sensor “B” Maximum Stop Performance
P2165Throttle/Pedal Position Sensor “C” Maximum Stop Performance
P2166Throttle/Pedal Position Sensor “D” Maximum Stop Performance
P2167Throttle/Pedal Position Sensor “E” Maximum Stop Performance
P2168Throttle/Pedal Position Sensor “F” Maximum Stop Performance
P2169Exhaust Pressure Regulator Vent Solenoid Control Circuit/Open
P216AFuel Injector Group “E” Supply Voltage Circuit/Open
P216BFuel Injector Group “E” Supply Voltage Circuit Low
P216CFuel Injector Group “E” Supply Voltage Circuit High
P216DFuel Injector Group “F” Supply Voltage Circuit/Open
P216EFuel Injector Group “F” Supply Voltage Circuit Low
P216FFuel Injector Group “F” Supply Voltage Circuit High
P2170Exhaust Pressure Regulator Vent Solenoid Control Circuit Low
P2171Exhaust Pressure Regulator Vent Solenoid Control Circuit High
P2172Throttle Actuator Control System – Sudden High Air Flow Detected
P2173Throttle Actuator Control System – High Air Flow Detected
P2174Throttle Actuator Control System – Sudden Low Air Flow Detected
P2175Throttle Actuator Control System – Low Air Flow Detected
P2176Throttle Actuator Control System – Idle Position Not Learned
P2177System Too Lean Off Idle Bank 1
P2178System Too Rich Off Idle Bank 1
P2179System Too Lean Off Idle Bank 2
P217AFuel Injector Group “G” Supply Voltage Circuit/Open
P217BFuel Injector Group “G” Supply Voltage Circuit Low
P217CFuel Injector Group “G” Supply Voltage Circuit High
P217DFuel Injector Group “H” Supply Voltage Circuit/Open
P217EFuel Injector Group “H” Supply Voltage Circuit Low
P217FFuel Injector Group “H” Supply Voltage Circuit High
P2180System Too Rich Off Idle Bank 2
P2181Cooling System Performance
P2182Engine Coolant Temperature Sensor 2 Circuit
P2183Engine Coolant Temperature Sensor 2 Circuit Range/Performance
P2184Engine Coolant Temperature Sensor 2 Circuit Low
P2185Engine Coolant Temperature Sensor 2 Circuit High
P2186Engine Coolant Temperature Sensor 2 Circuit Intermittent/Erratic
P2187System Too Lean at Idle Bank 1
P2188System Too Rich at Idle Bank 1
P2189System Too Lean at Idle Bank 2
P218AISO/SAE Reserved
P218BISO/SAE Reserved
P218CISO/SAE Reserved
P218DISO/SAE Reserved
P218EISO/SAE Reserved
P218FISO/SAE Reserved
P2190System Too Rich at Idle Bank 2
P2191System Too Lean at Higher Load Bank 1
P2192System Too Rich at Higher Load Bank 1
P2193System Too Lean at Higher Load Bank 2
P2194System Too Rich at Higher Load Bank 2
P2195O2 Sensor Signal Stuck Lean Bank 1 Sensor 1
P2196O2 Sensor Signal Stuck Rich Bank 1 Sensor 1
P2197O2 Sensor Signal Stuck Lean Bank 2 Sensor 1
P2198O2 Sensor Signal Stuck Rich Bank 2 Sensor 1
P2199Intake Air Temperature Sensor 1/2 Correlation
P219ABank 1 Air/Fuel Ratio Imbalance
P219BBank 2 Air/Fuel Ratio Imbalance
P219CCylinder #1 Imbalance Error
P219DCylinder #2 Imbalance Error
P219ECylinder #3 Imbalance Error
P219FCylinder #4 Imbalance Error
P21AAISO/SAE Reserved
P21ABISO/SAE Reserved
P21ACISO/SAE Reserved
P21ADISO/SAE Reserved
P21AEISO/SAE Reserved
P21AFISO/SAE Reserved
P21B0ISO/SAE Reserved
P21B1ISO/SAE Reserved
P21B2ISO/SAE Reserved
P21B3ISO/SAE Reserved
P21B4ISO/SAE Reserved
P21B5ISO/SAE Reserved
P21B6ISO/SAE Reserved
P21B7ISO/SAE Reserved
P21B8ISO/SAE Reserved
P21B9ISO/SAE Reserved
P21BAISO/SAE Reserved
P21BBISO/SAE Reserved
P21BCISO/SAE Reserved
P21BDISO/SAE Reserved
P21BEISO/SAE Reserved
P21BFISO/SAE Reserved
P21C0ISO/SAE Reserved
P21C1ISO/SAE Reserved
P21C2ISO/SAE Reserved
P21C3ISO/SAE Reserved
P21C4ISO/SAE Reserved
P21C5ISO/SAE Reserved
P21C6ISO/SAE Reserved
P21C7ISO/SAE Reserved
P21C8ISO/SAE Reserved
P21C9ISO/SAE Reserved
P21CAISO/SAE Reserved
P21CBISO/SAE Reserved
P21CCISO/SAE Reserved
P21CDISO/SAE Reserved
P21CEISO/SAE Reserved
P21CFISO/SAE Reserved
P21D0ISO/SAE Reserved
P21D1ISO/SAE Reserved
P21D2ISO/SAE Reserved
P21D3ISO/SAE Reserved
P21D4ISO/SAE Reserved
P21D5ISO/SAE Reserved
P21D6ISO/SAE Reserved
P21D7ISO/SAE Reserved
P21D8ISO/SAE Reserved
P21D9ISO/SAE Reserved
P21DAISO/SAE Reserved
P21DBISO/SAE Reserved
P21DCISO/SAE Reserved
P21DDISO/SAE Reserved
P21DEISO/SAE Reserved
P21DFISO/SAE Reserved
P21E0ISO/SAE Reserved
P21E1ISO/SAE Reserved
P21E2ISO/SAE Reserved
P21E3ISO/SAE Reserved
P21E4ISO/SAE Reserved
P21E5ISO/SAE Reserved
P21E6ISO/SAE Reserved
P21E7ISO/SAE Reserved
P21E8ISO/SAE Reserved
P21E9ISO/SAE Reserved
P21EAISO/SAE Reserved
P21EBISO/SAE Reserved
P21ECISO/SAE Reserved
P21EDISO/SAE Reserved
P21EEISO/SAE Reserved
P21EFISO/SAE Reserved
P21F0ISO/SAE Reserved
P21F1ISO/SAE Reserved
P21F2ISO/SAE Reserved
P21F3ISO/SAE Reserved
P21F4ISO/SAE Reserved
P21F5ISO/SAE Reserved
P21F6ISO/SAE Reserved
P21F7ISO/SAE Reserved
P21F8ISO/SAE Reserved
P21F9ISO/SAE Reserved
P21FAISO/SAE Reserved
P21FBISO/SAE Reserved
P21FCISO/SAE Reserved
P21FDISO/SAE Reserved
P21FEISO/SAE Reserved
P21FFISO/SAE Reserved