Diagnostic Code Index
WARNING: This page is about a different car, the 2007 Hummer H2. 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 C0306 | Motor A or B Circuit Malfunction |
| DTC C0327 | Encoder Circuit Malfunction |
| DTC C0329 | Encoder Signal Circuit Low |
| DTC C0359 | Four Wheel Drive Low Range (4WD low) Discrete Output Circuit Malfunction |
| DTC C0550 | ECU Malfunction |