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 MANUALSCHEVROLET2000CAVALIER BASE, 4D SEDAN, 2.4 TREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 16 (BODY CONTROL MODULES)
2000 Chevrolet Cavalier Base, 4D Sedan, 2.4 T
Section 16 (Body Control Modules)
2000 Chevrolet Cavalier Base, 4D Sedan, 2.4 TSECTION Section 16 (Body Control Modules)
WARNING: This page is about a different car, the 2000 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
- Description
- Operation
- Component Locations
- Programming
- Self-Diagnostic System
- Diagnostic Tests
- DTC B0432: Rear Defogger Relay Circuit (Open Or Short To Ground)
- DTC B0433: Rear Defogger Relay Circuit (Short To Voltage Or BCM Open)
- DTC B0502: Right Daytime Running Lights Relay Circuit (Open Or Short To Ground)
- DTC B0503: Right Daytime Running Lights Relay Circuit (Short To Voltage Or BCM Open)
- DTC B0507: Left Daytime Running Lights Relay Circuit (Open Or Short To Ground)
- DTC B0508: Left Daytime Running Lights Relay Circuit (Short To Voltage Or BCM Open)
- DTC B0605: BCM Internal Memory Malfunction
- DTC B1000: Ecu Malfunction
- DTC B2403: Front FOGLIGHT Switch Circuit (Short To Voltage)
- DTC B2408: Rear FOGLIGHT Switch Circuit (Short To Voltage)
- DTC B2482: Back-Up Light Relay Circuit (Open Or Short To Ground)
- DTC B2483: Back-Up Light Relay Circuit (Short To Voltage Or BCM Open)
- DTC B2578: Right Front Turn Signal Monitor Circuit (Short To Voltage)
- DTC B2583: Left Front Turn Signal Monitor Circuit (Short To Voltage)
- DTC B2597: Traction Control/Suspension Switch Circuit (Short To Ground)
- DTC B2647: Ambient Light Sensor Circuit Low
- DTC B2648: Ambient Light Sensor Circuit High
- DTC U1000 & U1255: Class 2 Communication Malfunction
- DTC U1001-U1254: Loss Of Communication With XXX
- DTC U1300: Serial Data Line Short To Ground
- DTC U1301: Serial Data Line Short To Battery
- Removal & Installation
- Wiring Diagrams
RENDER: 1.0x
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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.