BSCM/EBBC Hydraulic Unit Performance
Brake System Control Module / Electronic Brake Boost Controller hydraulic unit performance fault — internal hydraulic actuator does not respond as expected.
Affected components
- Bscm hydraulic unit
Common causes
- High likelihood: Hydraulic unit internal fault
Possible symptoms
- ABS warning light on
- ESC/stability control deactivated
- Possible reduced brake assist
- Speedometer may behave erratically
Diagnostic notes
- The malfunction indicator lamp may illuminate
- A drive cycle may be required after repair
- Reduced-power or limp mode may occur
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.