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.
2004 Chevrolet Impala LSFACTORY OEM SERVICE PROCEDURE
Instrument Panel DTCS
INSTRUMENT PANEL DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | DEFINITION |
|---|---|
| DTC B0160 | Temp Sensor Circuit Low |
| DTC B0162 | Temp Sensor Circuit Open |
| DTC B0931 | Compass Sensor Circuit Malfunction |
| DTC B2964 | Key In Ignition Circuit High |
| DTC P0462 | Fuel Level Sensor Circuit Low Voltage |
| DTC P0463 | Fuel Level Sensor Circuit High Voltage |
| DTC P0520 | Engine Oil Pressure Sensor/Switch Circuit |
Factory Service Tools
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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.
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