B1000Medium urgency
Electronic Control Unit Malfunction
Body · Control Module
⚠️ Body electrical functions may be inoperative. Safe to drive. Service within 1–2 weeks.
What this means
The Body Control Module has detected an internal malfunction. The BCM controls power windows, door locks, interior lighting, keyless entry, and other body electronics.
Likely causes
- Failed BCMMost common
- BCM programming errorCommon
- Voltage spike damageCommon
Estimated repair cost
BCM replacement and programming$200 – $800
BCM remanufacture$100 – $400
Wiring repair$80 – $250
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Frequently asked questions about B1000
What does B1000 mean?
The Body Control Module has detected an internal malfunction. The BCM controls power windows, door locks, interior lighting, keyless entry, and other body electronics.
Is B1000 serious?
Body electrical functions may be inoperative. Safe to drive. Service within 1–2 weeks.
How much does it cost to fix B1000?
Repair costs for B1000 range from $200 – $800 depending on the root cause and your vehicle.
Can I drive with B1000?
You can drive short distances but should have it repaired within 1–2 weeks to prevent further damage.