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.
2002 GMC Envoy RWDFACTORY OEM SERVICE PROCEDURE
Instrument Panel DTCS
INSTRUMENT PANEL DTCS (A00188857) DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Definition |
|---|---|
| DTC B0540 | Speedometer Circuit |
| DTC B0560 | Tachometer Circuit |
| DTC B0951 in Lighting Systems | Dimming Circuit |
| DTC B1372 | Device Ignition 1 (ON and START) Circuit Low |
| DTC B2961 | Key In Ignition Circuit Malfunction |
| DTC P0461 | Fuel Level Sensor Performance |
| DTC P0462 | Fuel Level Sensor Circuit Low Voltage |
| DTC P0463 | Fuel Level Sensor Circuit High Voltage |
Factory Service Tools
Use the Manual With the Right Hardware
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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.