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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