Service/Park Brake Chamber Pressure Sensor
Generic fault on service/park brake chamber pressure sensor — used on air-brake systems with combined service and spring-applied parking brake chamber.
Affected components
- Service park brake chamber pressure sensor
Common causes
- High likelihood: Pressure sensor failed
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.