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 Malibu BaseFACTORY OEM SERVICE PROCEDURE
Lighting DTCS
LIGHTING DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description |
|---|---|
| DTC B2532 | Fog Lamp Relay Control Circuit Is Open Or Shorted To Ground |
| DTC B2533 | Fog Lamp Relay Control Circuit Is Shorted To Battery Positive Voltage |
| DTC B2558 | Interior Lamp Control Circuit Is Shorted To Battery Positive Voltage |
| DTC B2575 | ALC Headlamp Relay Control Circuit Is Open |
| DTC B2577 | ALC Headlamp Relay Control Circuit Open/Shorted To Ground |
| DTC B2578 | ALC Headlamp Relay Control Circuit Is Shorted To Voltage |
| DTC B2585 | Park Lamp Relay Control Circuit Is Open Or Shorted To Battery Voltage, Or Park Lamp Relay Output Circuit Is Open, Shorted To Ground Or Battery Voltage |
| DTC B2587 | Park Lamp Relay Control Circuit Is Shorted To Ground Or Open |
| DTC B2588 | Park Lamp Relay Control Circuit Is Shorted To Battery Positive Voltage |
| DTC B2600 | DRL Relay Or Headlamp Power |
| DTC B2601 | DRLs Remain Illuminated Without Being Commanded On |
| DTC B2602 | DRL Relay Control Circuit Shorted To Ground |
| DTC B2603 | DRL Relay Control Circuit Shorted To Battery Positive Voltage |
| DTC B2647 | Ambient Light Sensor Signal Reference Circuit Open Or Shorted |
| DTC B2648 | Ambient Light Sensor Signal Reference Circuit Is Shorted To Battery |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.