Diagnostic Code Index
WARNING: This page is about a different car, the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC B0770 | B0770 01: AWD Indicator Circuit Short to Battery B0770 06: AWD Indicator Circuit Short to Ground or Open |
| DTC B0775 | B0775 01: 4 High Indicator Circuit Short to Battery B0775 06: 4 High Indicator Circuit Short to Ground or Open |
| DTC B0780 | B0780 01: 4 Low Indicator Circuit Short to Battery B0780 06: 4 Low Indicator Circuit Short to Ground or Open |
| DTC B0785 | B0785 01: 2 High Indicator Circuit Short to Battery B0785 06: 2 High Indicator Circuit Short to Ground or Open |
| DTC B0790 | B0790 01: Neutral Indicator Circuit Short to Battery B0790 06: Neutral Indicator Circuit Short to Ground or Open |
| DTC B2725 | B2725 08: Active Transfer Case Mode Switch Circuit |
| DTC C0306 | C0306 02: Motor A or B Circuit Short to Ground C0306 05: Motor A or B Circuit Short to Battery or Open |
| DTC C0321 | C0321 01: Transfer Case Lock Circuit Short to Battery C0321 02: Transfer Case Lock Circuit Short to Ground C0321 04: Transfer Case Lock Circuit Open C0321 08: Transfer Case Lock Circuit Signal Invalid |
| DTC C0374 | C0374 54: General System Performance Temperature High |
| DTC C0379 | C0379 01: Front Axle System Short to Battery C0379 02: Front Axle System Short to Ground C0379 04: Front Axle System Open Circuit C0379 08: Front Axle System Signal Invalid |
| DTC C0387 | C0387 59: Unable to Complete Shift Circuit/Component Protection Timeout |
| DTC C0392 | C0392 01: Rotational Position Sensor Circuit Short to Battery C0392 02: Rotational Position Sensor Circuit Short to Ground C0392 08: Rotational Position Sensor Circuit Signal Invalid |
| DTC C0396 | C0396 01: Incremental Position Sensor Circuit Short to Battery C0396 02: Incremental Position Sensor Circuit Short to Ground C0396 04: Incremental Position Sensor Open Circuit C0396 05: Incremental Position Sensor Circuit Short to Battery or Open |
| DTC C0397 | C0397 64: Transfer Case Clutch Performance Actuator Slipping |
| DTC C0398 | C0398 5A: Incremental Sensor - Rotational Position Sensor Correlation Plausibility Failure |
| DTC C0550 | C0550 37: Electronic Control Unit Malfunction Watchdog/Safety Failure C0550 39: Electronic Control Unit Malfunction Internal Electronic Failure |
| DTC C0569 | C0569 4B: System Configuration Error Calibration Data Not Learned |
| DTC C0896 | C0896 03: Device Voltage Range Voltage Below Threshold C0896 07: Device Voltage Range Voltage Above Threshold |
| DTC P2160 or P2161 | P2160: Vehicle Speed Sensor (VSS) 2 Circuit Low Voltage P2161: Vehicle Speed Sensor (VSS) 2 Circuit Intermittent |
| DTC P279A | P279A: Four Wheel Drive (4WD) High Range Performance |
| DTC P279B | P279B: Four Wheel Drive (4WD) Low Range Performance |
| DTC P279C | P279C: Four Wheel Drive (4WD) Neutral Range Performance |