Diagnostic Trouble Code (DTC) List
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Yukon, 2003 Chevrolet Tahoe, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Definition |
|---|---|
| C0455 | Steering Position Sensor Circuit Malfunction (VES) |
| C0550 | ECU Malfunction - Internal Write/Checksum Malfunction |
| C0551 | Option Configuration Error |
| C0575, C0580, C0585, C0590 | Suspension Damper Solenoid |
| C0615 | Left Front Position Sensor Malfunction |
| C0620 | Right Front Position Sensor Malfunction |
| C0625 | Left Rear Position Sensor Malfunction |
| C0630 | Right Rear Position Sensor Malfunction |
| C0690 | Damper Control Relay Circuit Malfunction |
| C0870 | Device Voltage Reference Output 1 Circuit Malfunction |