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.
1997 Chevrolet Corvette AutomaticFACTORY OEM SERVICE PROCEDURE
BCM DTC Definitions
BCM DTC DEFINITIONS
| DTC | Circuit Affected | ||||
|---|---|---|---|---|---|
| B0432 | Rear Defogger Relay Circuit (Open Or Short To Ground) | ||||
| B0433 | Rear Defogger Relay Circuit (Short To Voltage Or BCM Open) | ||||
| B0502 | RH DRL Relay Circuit (Open Or Short To Ground) | ||||
| B0503 | RH DRL Relay Circuit (Short To Voltage Or BCM Open) | ||||
| B0507 | LH DRL Relay Circuit (Open Or Short To Ground) | ||||
| B0508 | LH DRL Relay Circuit (Short To Voltage Or BCM Open) | ||||
| B0605 | BCM Internal Memory Malfunction | ||||
| B2403 | Front Foglight Switch Circuit (Short To Voltage) | ||||
| B2408 | (1) 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) | ||||
| B2527 | Horn Relay Circuit (Open Or Short To Ground) | ||||
| B2528 | Horn Relay Circuit (Short To Voltage Or BCM Open) | ||||
| B2573 | Hatch Release Switch Circuit (Short To Voltage) | ||||
| B2578 | RF Turn Signal Monitor Circuit (Short To Voltage) | ||||
| B2583 | LF Turn Signal Monitor Circuit (Short To Voltage) | ||||
| B2587 | Column Lock/Unlock Drive "A" (Open Or Short To Ground) | ||||
| B2588 | Column Lock/Unlock Drive "A" (Short To Voltage) | ||||
| B2592 | Column Lock/Unlock Drive "B" (Open Or Short To Ground) | ||||
| B2593 | Column Lock/Unlock Drive "B" (Short To Voltage) | ||||
| B2597 | TCS Switch Circuit (Short To Ground) | ||||
| B2721 | PASS-Key(R) Detection Circuit (Out Of Range) | ||||
| B2722 | PASS-Key(R) Detection Circuit (Short To Ground) | ||||
| B2723 | PASS-Key(R) Detection Circuit (Short To Voltage Or Open) | ||||
| B2735 | PASS-Key(R) Programming Mode Active | ||||
| U1016 | (2) Loss Of Communication With PCM | ||||
| U1096 | (2) Loss Of Communication With IPC | ||||
| U1255 | Serial Data Line Malfunction | ||||
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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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