OBD2 Chassis Codes

C – Generic OBD-II Chassis Codes

C0000 – Vehicle Speed Information Circuit Malfunction C0035 – Left Front Wheel Speed Circuit Malfunction C0040 – Right Front Wheel Speed Circuit Malfunction C0041 – Right Front Wheel Speed Sensor Circuit Range/Performance (EBCM) C0045 – Left Rear Wheel Speed Circuit Malfunction C0046 – Left Rear Wheel Speed Sensor Circuit Range/Performance (EBCM) C0050 – Right Rear Wheel Speed Circuit Malfunction C0051 – LF Wheel Speed Sensor Circuit Range/Performance (EBCM) C0060 – Left Front ABS Solenoid #1 Circuit Malfunction C0065 – Left Front ABS Solenoid #2 Circuit Malfunction C0070 – Right Front ABS Solenoid #1 Circuit Malfunction C0075 – Right Front ABS Solenoid #2 Circuit Malfunction C0080 – Left Rear ABS Solenoid #1 Circuit Malfunction C0085 – Left Rear ABS Solenoid #2 Circuit Malfunction C0090 – Right Rear ABS Solenoid #1 Circuit Malfunction C0095 – Right Rear ABS Solenoid #2 Circuit Malfunction C0110 – Pump Motor Circuit Malfunction C0121 – Valve Relay Circuit Malfunction C0128 – Low Brake Fluid Circuit Low C0141 – Left TCS Solenoid #1 Circuit Malfunction C0146 – Left TCS Solenoid #2 Circuit Malfunction C0151 – Right TCS Solenoid #1 Circuit Malfunction C0156 – Right TCS Solenoid #2 Circuit Malfunction C0161 – ABS/TCS Brake Switch Circuit Malfunction C0221 – Right Front Wheel Speed Sensor Circuit Open C0222 – Right Front Wheel Speed Signal Missing C0223 – Right Front Wheel Speed Signal Erratic C0225 – Left Front Wheel Speed Sensor Circuit Open C0226 – Left Front Wheel Speed Signal Missing C0227 – Left Front Wheel Speed Signal Erratic C0229 – Drop Out of Front Wheel Speed Signals C0235 – Rear Wheel Speed Signal Circuit Open C0236 – Rear Wheel Speed Signal Circuit Missing C0237 – Rear Wheel Speed Signal Erratic C0238 – Wheel Speed Mismatch C0241 – EBCM Control Valve Circuit C0245 – Wheel Speed Sensor Frequency Error C0254 – EBCM Control Valve Circuit C0265 – EBCM Relay Circuit C0266 – EBCM Relay Circuit C0267 – Pump Motor Circuit Open/Shorted C0268 – Pump Motor Circuit Open/Shorted C0269 – Excessive Dump/Isolation Time C0271 – EBCM Malfunction C0272 – EBCM Malfunction C0273 – EBCM Malfunction C0274 – Excessive Dump/Isolation Time C0279 – Powertrain Configuration Not Valid C0281 – Brake Switch Circuit C0283 – Traction Switch Shorted to Ground C0284 – EBCM Malfunction C0286 – ABS Indicator Lamp Circuit Shorted to B+ C0287 – Delivered Torque Circuit C0288 – Brake Warning Lamp Circuit Shorted to B+ C0290 – Lost Communications With PCM C0292 – Lost Communications With PCM C0291 – Lost Communications With BCM C0297 – Powertrain Configuration Data Not Received C0298 – Powertrain Indicated Traction Control Malfunction C0300 – Rear Speed Sensor Malfunction C0305 – Front Speed Sensor Malfunction C0306 – Motor A or B Circuit C0308 – Motor A/B Circuit Low C0309 – Motor A/B Circuit High C0310 – Motor A/B Circuit Open C0315 – Motor Ground Circuit Open C0321 – Transfer Case Lock Circuit C0323 – T-Case Lock Circuit Low C0324 – T-Case Lock Circuit High C0327 – Encoder Circuit Malfunction C0357 – Park Switch Circuit High C0359 – Four Wheel Drive Low Range (4LO) Discrete Output Circuit C0362 – 4LO Discrete Output Circuit High C0367 – Front Axle Control Circuit High C0374 – General System Malfunction C0376 – Front/Rear Shaft Speed Mismatch C0379 – Front Axle System C0387 – Unable to Perform Shift C0472 – Steering Handwheel Speed Sensor Signal V Low C0473 – Steering Handwheel Speed Sensor Signal V High C0495 – EVO Tracking Error C0498 – Steering Assist Control Actuator Feed Circuit Low C0499 – Steering Assist Control Solenoid Feed Circuit High C0503 – Steering Assist Control Solenoid Return Circuit Low C0504 – Steering Assist Control Solenoid Return Circuit High C0550 – ECU Malfunction – internal write / checksum malfunction C0559 – EEPROM Checksum Error C0563 – Calibration ROM Checksum Error C0577 – Left Front Solenoid Circuit Low C0578 – Left Front Solenoid Circuit High C0579 – Left Front Solenoid Circuit Open C0582 – Right Front Solenoid Circuit Low C0583 – Right Front Solenoid Circuit High C0584 – Right Front Solenoid Circuit Open C0587 – Left Rear Solenoid Circuit Low C0588 – Left Rear Solenoid Circuit High C0589 – Left Rear Solenoid Circuit Open C0592 – Right Rear Solenoid Circuit Low C0593 – Right Rear Solenoid Circuit High C0594 – Right Rear Solenoid Circuit Open C0611 – VIN Information Error C0615 – Left Front Position Sensor Malfunction C0620 – Right Front Position Sensor Malfunction C0625 – Left Rear Position Sensor Malfunction C0628 – Level Control Position Sensor Circuit High C0630 – Right Rear Position Sensor Malfunction C0635 – Left Front Normal Force Circuit Malfunction C0638 – Left Front Normal Force Circuit High C0640 – Right Front Normal Force Circuit Malfunction C0643 – Right Front Normal Force Circuit High C0655 – Level Control Compressor Relay Malfunction C0657 – Level Control Compressor Circuit Low C0658 – Level Control Compressor Circuit High C0660 – Level Control Exhaust Valve Circuit Malfunction C0662 – Level Control Exhaust Valve Circuit Low C0663 – Level Control Exhaust Valve Circuit High C0665 – Chassis Pitch Signal Circuit C0690 – Damper Control Relay Circuit Malfunction C0691 – Damper Control Relay Circuit Range C0693 – Damper Control Relay Circuit High C0695 – Position Sensor Overcurrent (8 volt supply) C0696 – Position Sensor Overcurrent (5 volt supply) C0710 – Steering Position Signal Malfunction C0750 – Tire Pressure Monitor (TPM) system sensor not transmitting C0755 – Tire Pressure Monitor (TPM) system sensor not transmitting C0760 – Tire Pressure Monitor (TPM) system sensor not transmitting C0765 – Tire Pressure Monitor (TPM) system sensor not transmitting C0800 – Device Power #1 Circuit Malfunction C0896 – Electronic Suspension Control (ESC) voltage is outside the normal range of 9 to 15.5 volts

GM – Chevrolet – GMC Chassis Codes

C1211 – ABS Indicator Lamp Circuit Malfunction C1214 – System Relay Contact or Coil Circuit Open C1217 – Pump Motor Shorted to Ground C1218 – Pump Motor Circuit Shorted to Voltage or Motor Ground Open C1221 – Left Front Wheel Speed Sensor Input Signal is 0 C1222 – Right Front Wheel Speed Sensor Input Signal is 0 C1223 – Left Rear Wheel Speed Sensor Input Signal is 0 C1224 – Right Rear Wheel Speed Sensor Input Signal is 0 C1225 – Left Front Excessive Wheel Speed Variation C1226 – Right Front Excessive Wheel Speed Variation C1227 – Left Rear Excessive Wheel Speed Variation C1228 – Right Rear Excessive Wheel Speed Variation C1232 – Left Front Wheel Speed Circuit Open or Shorted C1233 – Right Front Wheel Speed Circuit Open or Shorted C1234 – Left Rear Wheel Speed Circuit Open or Shorted C1235 – Right Rear Wheel Speed Circuit Open or Shorted C1236 – Low System Supply Voltage C1237 – High System Supply Voltage C1238 – Brake Thermal Model Exceeded C1241 – Variable Effort Steering Circuit Malfunction C1242 – Pump Motor Circuit Open C1243 – BPMV Pump Motor Stalled C1244 – Powertrain Indicated Engine Drag Control Malfunction C1246 – Brake Lining Wear Circuit Open C1248 – EBCM Turned the Red Brake Warning Indicator On C1251 – RSS Indicated Malfunction C1252 – Left Front Normal Force Malfunction C1253 – Right Front Normal Force Malfunction C1254 – Abnormal Shutdown Detected C1255 – EBCM Internal Malfunction C1256 – EBCM Internal Malfunction C1261 – Left Front Inlet Valve Solenoid Malfunction C1262 – Left Front Outlet Valve Solenoid Malfunction C1263 – Right Front Inlet Valve Solenoid Malfunction C1264 – Right Front Outlet Valve Solenoid Malfunction C1265 – Left Rear Inlet Valve Solenoid Malfunction C1266 – Left Rear Outlet Valve Solenoid Malfunction C1267 – Right Rear Inlet Valve Solenoid Malfunction C1268 – Right Rear Outlet Valve Solenoid Malfunction C1271 – Left Front TCS Master Cylinder Isolation Valve Malfunction C1272 – Left Front TCS Prime Valve Malfunction C1273 – Right Front TCS Master Cylinder Isolation Valve Malfunction C1274 – Right Front TCS Prime Valve Malfunction C1276 – Delivered Torque Signal Circuit Malfunction C1277 – Requested Torque Signal Circuit Malfunction C1278 – TCS Temporarily Inhibited By PCM C1281 – VSES Sensors Uncorrelated C1282 – Yaw Rate Sensor Bias Circuit Malfunction C1283 – Excessive Time to Center Steering C1284 – Lateral Accelerometer Sensor Bias Malfunction C1285 – Lateral Accelerometer Sensor Circuit Malfunction C1286 – Steering Sensor Bias Malfunction C1287 – Steering Sensor Rate Malfunction C1288 – Steering Sensor Circuit Malfunction C1291 – Open Brake Lamp Switch Contacts During Deceleration C1292 – Brake Fluid Pressure Sensor Circuit C1293 – Code C1291 Set in Previous Ignition Cycle C1294 – Brake Lamp Switch Circuit Always Active C1295 – Brake Lamp Switch Circuit Open C1296 – Brake Fluid Pressure Sensor Circuit C1297 – PCM Indicated Brake Extended Travel Switch Failure C1298 – PCM Class 2 Serial Data Link Malfunction C1326 – Battery Out of Range C1650 – RSS Control Module Fault C1658 – RSS Control Module Calibration Fault C1710 – Left Front Damper Actuator Short Circuit to Battery C1711 – Left Front Damper Actuator Short Circuit to Ground C1712 – Left Front Damper Actuator Open Circuit C1715 – Right Front Damper Actuator Short Circuit to Battery C1716 – Right Front Damper Actuator Short Circuit to Ground C1717 – Right Front Damper Actuator Open Circuit C1720 – Left Rear Damper Actuator Short Circuit to Battery C1721 – Left Rear Damper Actuator Short Circuit to Ground C1722 – Left Rear Damper Actuator Open Circuit C1725 – Right Rear Damper Actuator Short Circuit to Battery C1726 – Right Rear Damper Actuator Short Circuit to Ground C1727 – Right Rear Damper Actuator Open Circuit C1735 – Compressor Relay Short to Battery C1736 – Compressor Relay Short to GND/Open Circuit C1737 – Exhaust Solenoid Valve Short to Battery C1738 – Exhaust Solenoid Valve Short to GND C1743 – Speed Signal Fault C1744 – Lift/Dive Signal Discrete Fault C1760 – Left Front Position Sensor Input Fault C1761 – Right Front Position Sensor Input Fault C1762 – Left Rear Position Sensor Input Fault C1763 – Right Rear Position Sensor Input Fault C1768 – Position Sensor Supply Fault C1780 – Loss of Steering Position Signal C1782 – ICCS2 DL Left Output Short Circuit to Bat C1783 – ICCS2 DL Left Output Short Circuit to GND C1784 – ICCS2 DL Right Output Short Circuit to Bat C1785 – ICCS2 DL Right Output Short Circuit to GND C1786 – Damper Control Relay Fault C1787 – Damper Control Relay Short to GND C1788 – Damper Control Relay Short to Bat
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