EBCM Relay Circuit
The Electronic Brake Control Module has detected a fault in its main supply relay circuit. Without proper relay supply the EBCM cannot operate the hydraulic unit and ABS as well as stability control are disabled.
Affected components
- Ebcm relay
- Ebcm module
- Power supply wiring
Common causes
- High likelihood: EBCM relay failed
- Medium likelihood: Internal EBCM fault (relay integrated)
- Low likelihood: Power supply wiring or fuse fault
Possible symptoms
- ABS warning light on
- ESC/stability control deactivated
- Possible reduced brake assist
- Speedometer may behave erratically
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.