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 MANUALSCHEVROLET2001LUMINA V6-3.1L VIN JREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSDESCRIPTION AND OPERATIONSYSTEM OPERATIONPOWERTRAIN CONTROL MODULE (PCM)MIL ILLUMINATION
2001 Chevrolet Lumina V6-3.1L VIN J
MIL Illumination
2001 Chevrolet Lumina V6-3.1L VIN JSECTION MIL Illumination
^ The MIL will illuminate with ignition switch ON and the engine not running
^ The MIL will turn OFF when the engine is started
^ The MIL will remain ON if the self-diagnostic system has detected a malfunction
^ The MIL may turn OFF if the malfunction is not present
^ If the MIL is illuminated and then the engine stalls, the MIL will remain illuminated so long as the ignition switch is ON.
^ If the MIL is not illuminated and the engine stalls, the MIL will not illuminate until the ignition switch is cycled OFF, then ON.
^ The MIL will turn OFF when the engine is started
^ The MIL will remain ON if the self-diagnostic system has detected a malfunction
^ The MIL may turn OFF if the malfunction is not present
^ If the MIL is illuminated and then the engine stalls, the MIL will remain illuminated so long as the ignition switch is ON.
^ If the MIL is not illuminated and the engine stalls, the MIL will not illuminate until the ignition switch is cycled OFF, then ON.
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.