OBDCar OBD Codes

Chassis OBD-II Codes (Cxxxx)

486 diagnostic trouble codes

Chassis codes cover the anti-lock braking system (ABS), electronic stability control (ESC), power steering, suspension, and traction control systems. These are critical safety systems monitored by dedicated control modules.

C1737Air Suspension RR Corner Up TimeoutManufacturer-specific C1738Air Suspension RR Corner Down TimeoutManufacturer-specific C1739Right Front Center Sensor Circuit Short to VbatManufacturer-specific C1740Right Front Center Sensor Circuit FailureManufacturer-specific C1741Right Front Center Sensor Circuit FaultManufacturer-specific C1742Rear Sounder Circuit FailureManufacturer-specific C1743Rear Sounder Circuit Short to VbattManufacturer-specific C1744Front Sounder Circuit FailureManufacturer-specific C1745Front Sounder Circuit Short to VbattManufacturer-specific C1748Switch input Circuit Short to GndManufacturer-specific C1749Trailer Input Circuit FailureManufacturer-specific C1750Accelerator Position Sensor Out of RangeManufacturer-specific C1751Vehicle Speed Sensor # 1 Output Circuit Short to VbattManufacturer-specific C1752Vehicle Speed Sensor # 1 Output Circuit Short to GndManufacturer-specific C1753Hydraulic Clutch Actuator Valve Signal FaultManufacturer-specific C1754Hydraulic Clutch Actuator Valve Circuit FailureManufacturer-specific C1755Power Limit Shutdown FaultManufacturer-specific C1756Air Suspension Front Height Sensor High (SE) Signal Circuit FailureManufacturer-specific C1757Air Suspension Front Height Sensor High (SE) Signal Circuit OpenManufacturer-specific C1758Air Suspension Front Height Sensor High (SE) Signal Circuit Short To BatteryManufacturer-specific C1759Air Suspension Front Height Sensor High (SE) Signal Circuit Short To GroundManufacturer-specific C1760Air Suspension Rear Height Sensor High (SE) Signal Circuit FailureManufacturer-specific C1761Air Suspension Rear Height Sensor High (SE) Signal Circuit OpenManufacturer-specific C1762Air Suspension Rear Height Sensor High (SE) Signal Circuit Short To BatteryManufacturer-specific C1763Air Suspension Rear Height Sensor High (SE) Signal Circuit Short To GroundManufacturer-specific C1765Air Suspension Rear Height Sensor Low Signal Circuit FailureManufacturer-specific C1766Air Suspension Rear Height Sensor Low Signal Circuit OpenManufacturer-specific C1767Air Suspension Rear Height Sensor Low Signal Circuit Short To BatteryManufacturer-specific C1768Air Suspension Rear Height Sensor Low Signal Circuit Short To GroundManufacturer-specific C1770Air Suspension Vent Solenoid Output Circuit FailureManufacturer-specific C1771Air Suspension Vent Solenoid Output Circuit OpenManufacturer-specific C1772Air Suspension Vent Solenoid Output Circuit Short To BatteryManufacturer-specific C1773Air Suspension Vent Solenoid Output Circuit Short To GroundManufacturer-specific C1774Coolant Temp Out of RangeManufacturer-specific C1775DC-DC Converter FailureManufacturer-specific C1776Heater System FailureManufacturer-specific C1777Vacuum Pressure Circuit FailureManufacturer-specific C1778Power Steering FailureManufacturer-specific C1779Blower Switch FailureManufacturer-specific C1780Temperature Select FailureManufacturer-specific C1781Engine Coolant Temperature Signal Missing/FaultManufacturer-specific C1790Air Suspension LR Air Spring/Shock Solenoid Output Circuit FailureManufacturer-specific C1791Air Suspension LR Air Spring/Shock Solenoid Output Circuit OpenManufacturer-specific C1792Air Suspension LR Air Spring/Shock Solenoid Output Circuit Short To BatteryManufacturer-specific C1793Air Suspension LR Air Spring/Shock Solenoid Output Circuit Short To GroundManufacturer-specific C1795Air Suspension RR Air Spring/Shock Solenoid Output Circuit FailureManufacturer-specific C1796Air Suspension RR Air Spring/Shock Solenoid Output Circuit OpenManufacturer-specific C1797Air Suspension RR Air Spring/Shock Solenoid Output Circuit Short To BatteryManufacturer-specific C1798Air Suspension RR Air Spring/Shock Solenoid Output Circuit Short To GroundManufacturer-specific C1800Air Suspension Reservoir Solenoid Circuit FailureManufacturer-specific

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