Diagnostic Code Index
WARNING: This page is about a different car, the 2006 GMC Yukon XL, 2006 GMC Yukon, 2006 Chevrolet Tahoe, 2006 Chevrolet Suburban, and 2006 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC B0790 | Transfer Case Neutral Indicator Circuit Malfunction |
| DTC B2725 | ATC Mode Switch Circuit Malfunction |
| DTC C0300 | Rear Speed Sensor Malfunction |
| DTC C0305 | Front Speed Sensor Malfunction |
| DTC C0306 | Motor A or B Circuit Malfunction |
| DTC C0321 | Transfer Case Lock Circuit Malfunction |
| DTC C0327 | Encoder Circuit Malfunction |
| DTC C0359 | Four Wheel Drive Low Range (4WD low) Discrete Output Circuit Malfunction |
| DTC C0374 | General System Malfunction |
| DTC C0379 | Front Axle System Malfunction |
| DTC C0550 | ECU Malfunction |