B-Codes Diagnostic Index (Body Control Module)
Complete directory for OBD2 Body (B-Series) DTC diagnostic codes. Select your specific trouble code below to view detailed symptoms, voltage measurements, and BCM troubleshooting steps.
1. Airbag & Restraint System Faults (B0000 - B00FF)
- B0007: Passenger Frontal Airbag Stage 1 Control Direct Line
- B0100: Electronic Crash Sensor / Hall Sensor Circuit Fault
2. BCM & Module Communication Faults (B1000 - B1399)
- B1000: Electronic Control Unit (ECU) Performance Malfunction
- B1001: Option Configuration Error / BCM Vin Mismatch
- B1325: Control Module Power Circuit Low Voltage Input
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