Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2011TAHOE BASE, 5.3 0, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1030 (TRANSFER CASE - MP 1625/1626-NQF)DIAGNOSTIC INFORMATION AND PROCEDURESDIAGNOSTIC CODE INDEX
2011 Chevrolet Tahoe Base, 5.3 0, 4WD
Diagnostic Code Index
2011 Chevrolet Tahoe Base, 5.3 0, 4WDSECTION Diagnostic Code Index
WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| 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 High Indicator Circuit Short to Battery B0780 06: 4 High 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 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 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 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 |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.