OBD codes / U0140
U0140
ModerateLost Communication With Body Control Module
Get it looked at soon to avoid further wear.
Likely causes
- a failing sensor, actuator, or solenoid in this circuit
- damaged wiring, a loose connector, or poor ground
Common fixes
- confirm the code with a scan tool and note any companion codes
- inspect the wiring and connector for the affected component
- run a diagnosis for your exact vehicle to pinpoint the cause
Seeing U0140 on your car? Get a diagnosis specific to your exact year, make and model.
Diagnose U0140 for my vehicleGeneric OBD-II reference. Manufacturer-specific behavior varies — confirm with a scan tool and, for safety-related codes, a professional inspection.