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)SELF-DIAGNOSTIC SYSTEMRETRIEVING DIAGNOSTIC TROUBLE CODES (DTCS)USING SCAN TOOLBODY CONTROL MODULE DIAGNOSTIC TROUBLE CODE DEFINITIONS
2000 Chevrolet Cavalier Base, 4D Sedan, 2.4 T
Body Control Module Diagnostic Trouble Code Definitions
2000 Chevrolet Cavalier Base, 4D Sedan, 2.4 TSECTION Body Control Module Diagnostic Trouble Code Definitions
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.
BODY CONTROL MODULE DIAGNOSTIC TROUBLE CODE DEFINITIONS
| 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) | ||||||||
| B2527(1) | Horn Relay Circuit (Open Or Short To Ground) | ||||||||
| B2528(1) | Horn Relay Circuit (Short To Voltage Or BCM Open) | ||||||||
| B2567(2) | Folding Top Release Switch Circuit (Convertible Only) | ||||||||
| B2573(2) | Hatch Release Switch Circuit (Short To Voltage) | ||||||||
| B2578 | Right Front Turn Signal Monitor Circuit (Short To Voltage) | ||||||||
| B2583 | Left Front Turn Signal Monitor Circuit (Short To Voltage) | ||||||||
| B2587(1) | Column Lock/Unlock Drive "A" (Open Or Short To Ground) | ||||||||
| B2588(1) | Column Lock/Unlock Drive "A" (Open Or Short To Voltage) | ||||||||
| B2592(1) | Column Lock/Unlock Drive "B" (Open Or Short To Ground) | ||||||||
| B2593(1) | Column Lock/Unlock Drive "B" (Open Or Short To Voltage) | ||||||||
| B2597 | Traction Control/Suspension Switch Circuit (Short To Ground) | ||||||||
| B2647 | Ambient Light Sensor Circuit Low | ||||||||
| B2648 | Ambient Light Sensor Circuit High | ||||||||
| B2721(3) | PASS-Key® Detection Circuit (Out Of Range) | ||||||||
| B2722(3) | PASS-Key® Detection Circuit (Short To Ground) | ||||||||
| B2723(3) | PASS-Key® Detection Circuit (Short To Voltage Or Open) | ||||||||
| B2735(3) | PASS-Key® Programming Mode Active | ||||||||
| U1000 & U1255 | Class 2 Communication Malfunction | ||||||||
| U1001-U1254 | (4) Loss Of Communication With XXX | ||||||||
| U1300 | Serial Data Line Short To Ground | ||||||||
| U1301 | Serial Data Line Short To Battery | ||||||||
|
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RENDER: 1.0x
NO RELATED
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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.