Hydraulic Brake Pressure Sensor Circuit
The brake pressure sensor in the master cylinder or hydraulic block reports an implausible signal or no signal. The fault disables ABS, stability control and brake assist.
Affected components
- Brake pressure sensor
- Abs control module
- Sensor wiring
Common causes
- High likelihood: Pressure sensor element failed
- Medium likelihood: Sensor wiring 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.