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.
1998 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 | 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 | 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" (OPEN OR SHORT TO VOLTAGE) |
| B2592 | COLUMN LOCK/UNLOCK DRIVE "B" (OPEN OR SHORT TO GROUND) |
| B2593 | COLUMN LOCK/UNLOCK DRIVE "B" (OPEN OR 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 | LOSS OF COMMUNICATION WITH PCM |
| U1096 | LOSS OF COMMUNICATION WITH IPC |
| U1255 | SERIAL DATA LINE MALFUNCTION |
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.