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.
2000 Chevrolet Malibu BaseFACTORY OEM SERVICE PROCEDURE
Body Control Modules
- Description
- Operation
- Component Locations
- Programming
- Trouble Shooting
- Self-Diagnostic System
- System Tests
- Diagnostic Tests
- DTC B1000: BCM Malfunction
- DTC B1001: Vehicle Option Configuration Required
- DTC B1369: Ignition 0 Fault
- DTC B1374: Ignition 1 Fault (With Engine Running)
- DTC B1379: Ignition 3 Fault
- DTC B2532: Front FOGLIGHT Relay Output Short To Ground/Open
- DTC B2533: Front FOGLIGHT Relay Output Short To Battery
- DTC B2558: Interior Light Control Output Short To Battery
- DTC B2575: ALC Headlight System Fault
- DTC B2577: ALC Headlight Relay Output Short To Ground/Open
- DTC B2578: ALC Headlight Relay Output Short To Battery
- DTC B2585: Parking Light System Fault
- DTC B2587: Parking Light Relay Output Short To Ground/Open
- DTC B2588: Parking Light Relay Output Short To Battery
- DTC B2600: DRL Error
- DTC B2602: DRL Relay Output Short To Ground/Open
- DTC B2603: DRL Relay Output Short To Battery
- DTC B2647: Ambient Light Sensor Signal Short To Ground/Open
- DTC B2648: Ambient Light Sensor Signal Short To Battery
- DTC B2965: Key-In-Ignition Fault
- DTC U1001-U1088: Loss Of XXX Communications
- DTC U1300: Class 2 Serial Data Link Low
- DTC U1301: Class 2 Serial Data Link High
- DTC U2000: Invalid BCM Transmitted SPI Data
- DTC U2001: Invalid Instrument Panel Transmitted SPI Data
- DTC U2002: Transmitted SPI Data Input Low
- DTC U2003: Transmitted SPI Data Input High
- DTC U2004: Transmitted SPI Data Output Low
- DTC U2005: Transmitted SPI Data Output High
- DTC U2006: Transmitted SPI Clock Output Low
- DTC U2007: Transmitted SPI Clock Output High
- Removal & Installation
- Wiring Diagrams
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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