OBD2 trouble code reference
8,157 codes across 1 prefix groups on this page.
C1xxx
- C1741Right Front Center Sensor Circuit Faultchassis
- C1742Rear Sounder Circuit Failurechassis
- C1743Rear Sounder Circuit Short to Vbattchassis
- C1744Front Sounder Circuit Failurechassis
- C1745Front Sounder Circuit Short to Vbattchassis
- C1748Switch input Circuit Short to Gndchassis
- C1749Trailer Input Circuit Failurechassis
- C1750Accelerator Position Sensor Out of Rangechassis
- C1751Vehicle Speed Sensor # 1 Output Circuit Short to Vbattchassis
- C1752Vehicle Speed Sensor # 1 Output Circuit Short to Gndchassis
- C1753Hydraulic Clutch Actuator Valve Signal Faultchassis
- C1754Hydraulic Clutch Actuator Valve Circuit Failurechassis
- C1755Power Limit Shutdown Faultchassis
- C1756Air Suspension Front Height Sensor High (SE) Signal Circuit Failurechassis
- C1757Air Suspension Front Height Sensor High (SE) Signal Circuit Openchassis
- C1758Air Suspension Front Height Sensor High (SE) Signal Circuit Short To Batterychassis
- C1759Air Suspension Front Height Sensor High (SE) Signal Circuit Short To Groundchassis
- C1760Air Suspension Rear Height Sensor High (SE) Signal Circuit Failurechassis
- C1761Air Suspension Rear Height Sensor High (SE) Signal Circuit Openchassis
- C1762Air Suspension Rear Height Sensor High (SE) Signal Circuit Short To Batterychassis
- C1763Air Suspension Rear Height Sensor High (SE) Signal Circuit Short To Groundchassis
- C1765Air Suspension Rear Height Sensor Low Signal Circuit Failurechassis
- C1766Air Suspension Rear Height Sensor Low Signal Circuit Openchassis
- C1767Air Suspension Rear Height Sensor Low Signal Circuit Short To Batterychassis
- C1768Air Suspension Rear Height Sensor Low Signal Circuit Short To Groundchassis
- C1770Air Suspension Vent Solenoid Output Circuit Failurechassis
- C1771Air Suspension Vent Solenoid Output Circuit Openchassis
- C1772Air Suspension Vent Solenoid Output Circuit Short To Batterychassis
- C1773Air Suspension Vent Solenoid Output Circuit Short To Groundchassis
- C1774Coolant Temp Out of Rangechassis
- C1775DC-DC Converter Failurechassis
- C1776Heater System Failurechassis
- C1777Vacuum Pressure Circuit Failurechassis
- C1778Power Steering Failurechassis
- C1779Blower Switch Failurechassis
- C1780Temperature Select Failurechassis
- C1781Engine Coolant Temperature Signal Missing/Faultchassis
- C1790Air Suspension LR Air Spring/Shock Solenoid Output Circuit Failurechassis
- C1791Air Suspension LR Air Spring/Shock Solenoid Output Circuit Openchassis
- C1792Air Suspension LR Air Spring/Shock Solenoid Output Circuit Short To Batterychassis
- C1793Air Suspension LR Air Spring/Shock Solenoid Output Circuit Short To Groundchassis
- C1795Air Suspension RR Air Spring/Shock Solenoid Output Circuit Failurechassis
- C1796Air Suspension RR Air Spring/Shock Solenoid Output Circuit Openchassis
- C1797Air Suspension RR Air Spring/Shock Solenoid Output Circuit Short To Batterychassis
- C1798Air Suspension RR Air Spring/Shock Solenoid Output Circuit Short To Groundchassis
- C1800Air Suspension Reservoir Solenoid Circuit Failurechassis
- C1805Mismatched PCM and/or ABS-TC Modulechassis
- C1813Air Suspension LR Vent Request Exceeded Max Timingchassis
- C1814Air Suspension RR Vent Request Exceeded Max Timingchassis
- C1818Air Suspension LR Air Compress Request Exceeded Max Timingchassis