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 Corvette 2D Convertible, AutomaticFACTORY OEM SERVICE PROCEDURE
Body Control Module DTCS
BODY CONTROL MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description |
|---|---|
| B0432 | Rear Defogger Relay Circuit (Open Or Short To Ground) |
| B0433 | Rear Defogger Relay Circuit (Short To Voltage Or BCM Open) |
| B0502 | Right Daytime Running Lights Relay Circuit (Open Or Short To Ground) |
| B0503 | Right Daytime Running Lights Relay Circuit (Short To Voltage Or BCM Open) |
| B0507 | Left Daytime Running Lights Relay Circuit (Open Or Short To Ground) |
| B0508 | Left Daytime Running Lights Relay Circuit (Short To Voltage Or BCM Open) |
| B0605 | BCM Internal Memory Malfunction |
| B1000 | ECU Malfunction |
| B2403 | Front Foglight Switch Circuit (Short To Voltage) |
| B2408 | Rear Foglight Switch Circuit (Short To Voltage) |
| B2482 | Back-Up Light Relay Circuit (Open Or Short To Ground) |
| B2483 | Back-Up Light Relay Circuit (Short To Voltage Or BCM Open) |
| B2578 | Right Front Turn Signal Monitor Circuit (Short To Voltage) |
| B2583 | Left Front Turn Signal Monitor Circuit (Short To Voltage) |
| B2597 | Traction Control/Suspension Switch Circuit (Short To Ground) |
| B2647 | Ambient Light Sensor Circuit Low |
| B2648 | Ambient Light Sensor Circuit High |
| U1000 & U1255 | Class 2 Communication Malfunction |
| U1001-U1254 | Loss Of Communication With XXX |
| U1300 | Serial Data Line Short To Ground |
| U1301 | Serial Data Line Short To Battery |
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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