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 Chevrolet Impala LSFACTORY OEM SERVICE PROCEDURE
Instrument Panel DTCS
INSTRUMENT PANEL DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description |
|---|---|
| DTC B0160 | AMBIENT AIR TEMPERATURE SENSOR CIRCUIT LOW |
| DTC B0162 | TEMPERATURE SENSOR CIRCUIT OPEN |
| DTC B0931 | COMPASS SENSOR CIRCUIT MALFUNCTION |
| DTC B2823 | TRIP ODOMETER RESET SWITCH CIRCUIT LOW |
| DTC B2964 | INCORRECT IGNITION LOCK CYLINDER SIGNAL VOLTAGE INPUT |
| DTC C1245 | TIRE INFLATION MONITOR CIRCUIT LOW |
| DTC P0462 | FUEL LEVEL SIGNAL VOLTAGE LOW |
| DTC P0463 | FUEL LEVEL SIGNAL VOLTAGE HIGH |
| DTC P1189 | OIL PRESSURE SWITCH SIGNAL VOLTAGE IS HIGH |
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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