ECU Malfunction (Body)
The body control module has an internal fault.
Informational only. Consult a qualified mechanic.
- Body control module failure
- Software corruption
- Voltage spike damage
Have the BCM reprogrammed or replaced.
What does B1000 mean?
The B1000 OBD-II diagnostic trouble code (DTC) indicates: ecu malfunction (body). This is a high-severity body code that your vehicle's onboard diagnostics system triggers when the body control module has an internal fault. If your check engine light is on with this code, the vehicle is generally safe to drive, but you should have it inspected soon.
Use Your Service Book to log this diagnostic trouble code to your vehicle's service history, track repairs, and get maintenance reminders — all for free.
Related Articles
Track codes on your vehicle — sign up free
Log OBD-II codes, get maintenance reminders, and keep your complete service history.