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- Symptoms of OBD Codes: Understand the signs and issues your vehicle may display for each code.
- Root Causes of OBD Codes: Identify potential reasons behind the fault, helping you address the problem effectively.
- Expected Location of OBD Issues: Pinpoint where the issue is likely to occur, simplifying diagnostics and repair.
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 signal |
| U0104 | Data bus: cruise control module – no communication |
| U0105 | Data bus: injector control module – no communication |
| U0106 | Data bus: glow plug control module – no communication |
| U0107 | Data bus: throttle actuator control (TAC) module – no communication |
| U0108 | Data bus: alternative fuel control module – no communication |
| U0109 | Data bus: fuel pump (FP) control module – no communication |
| U0110 | Data bus: drive motor control module – no communication |
| U0111 | Data bus: battery energy control module A – no communication |
| U0112 | Data bus: battery energy control module B – no communication |
| U0113 | Data bus: emissions critical control information – no communication |
| U0114 | Data bus: four wheel drive clutch control module – no communication |
| U0115 | Data bus: engine control module (ECM) B – no communication |
| U0121 | Data bus: anti-lock brake system (ABS) control module – no communication |
| U0122 | Data bus: vehicle dynamics control module – no communication |
| U0123 | Data bus: yaw rate sensor module – no communication |
| U0124 | Data bus: lateral acceleration sensor module – no communication |
| U0125 | Data bus: multi-axis acceleration sensor module – no communication |
| U0126 | Data bus: steering position sensor control module – no communication |
| U0127 | Data bus: tire pressure monitor module- no communication |
| U0128 | Data bus: parking brake control module – no communication |
| U0129 | Data bus: brake system control module – no communication |
| U0130 | Data bus: steering effort control module – no communication |
| U0131 | Data bus: power steering control module – no communication |
| U0132 | Data bus: suspension ride height control module – no communication |
| U0140 | Data bus: body control module (8CM)- no communication |
| U0141 | Data bus: body control module (8CM) A- no communication |
| U0142 | Data bus: body control module (8CM) 8 – no communication |
| U0143 | Data bus: body control module (8CM) C- no communication |
| U0144 | Data bus: body control module (8CM) D- no communication |
| U0145 | Data bus: body control module (8CM) E – no communication |
| U0146 | Data bus: gateway A- no communication |
| U0147 | Data bus: gateway 8 – no communication |
| U0148 | Data bus: gateway C – no communication |
| U0149 | Data bus: gateway D- no communication |
| U0150 | Data bus: gateway E – no communication |
| U0151 | Data bus: supplementary restraint system (SRS) control module – no communication |
| U0152 | Data bus : supplementary restraint system (SRS) control module: left – no communication |
| U0153 | Data bus: supplementary restraint system (SRS) control module: right – no communication |
| U0154 | Data bus: supplementary restraint system (SRS) occupant sensing control module- no communication |
| U0155 | Data bus: instrumentation control module – no communication |
| U0156 | Data bus: information centre A – no communication |
| U0157 | Data bus: information centre B – no communication |
| U0158 | Data bus: head up display – no communication |
| U0159 | Data bus: parking aid control module A – no communication |
| U0160 | Data bus: audible alert control module – no communication |
| U0161 | Data bus: compass module – no communication |
| U0162 | Data bus: navigation display module – no communication |
| U0163 | Data bus: navigation control module – no communication |
| U0164 | Data bus: NC control module – no communication |
| U0165 | Data bus: NC control module: rear |
| U0166 | Data bus: auxiliary heater control module – no communication |
| U0167 | Data bus: immobilizer control ‘module – no communication / Engine control module – internal fault |
| U0168 | Data bus: alarm system control module – no communication |
| U0169 | Data bus: sunroof control module – no communication |
| U0170 | Data bus: supplementary restraint system (SRS) sensor A – no communication |
| U0171 | Data bus: supplementary restraint system (SRS) sensor B – no communication |
| U0172 | Data bus: supplementary restraint system (SRS) sensor C – no communication |
| U0173 | Data bus: supplementary restraint system (SRS) sensor D – no communication |
| U0174 | Data bus: supplementary restraint system (SRS) sensor E – no communication |
| U0175 | Data bus: supplementary restraint system (SRS) sensor F – no communication |
| U0176 | Data bus: supplementary restraint system (SRS) sensor G – no communication |
| U0177 | Data bus: supplementary restraint system (SRS) sensor H – no communication |
| U0178 | Data bus: supplementary restraint system (SRS) sensor I – no communication |
| U0179 | Data bus: supplementary restraint system (SRS) sensor J – no communication |
| U0180 | Data bus: automatic lighting control module – no communication |
| U0181 | Data bus: headlamp level control module – no communication |
| U0182 | Data bus: lamps control module: front – no communication |
| U0183 | Data bus: lamps control module: rear- no communication |
| U0184 | Data bus: radio – no communication |
| U0185 | Data bus: aerial module – no communication |
| U0186 | Data bus: audio unit output amplifier- no communication |
| U0187 | Data bus: digital disc player/changer module A – no communication |
| U0188 | Data bus: digital disc player/changer module B – no communication |
| U0189 | Data bus: digital disc player/changer module C – no communication |
| U0190 | Data bus: digital disc player/changer module D – no communication |
| U0191 | Data bus: television – no communication |
| U0192 | Data bus: personal computer – no communication |
| U0193 | Data bus: digital audio control module A- no communication |
| U0194 | Data bus: digital audio control module B – no communication |
| U0195 | Data bus: subscription entertainment receiver module – no communication |
| U0196 | Data bus: entertainment control module: rear – no communication |
| U0197 | Data bus: t.elephone control module – no communication |
| U0198 | Data bus: telematics control module – no communication |
| U0199 | Data bus: door function control module A – no communication |