Service/Park Brake Chamber Pressure Too Low
Pressure in the service/park brake chamber dropped below required minimum — risk of insufficient braking force.
Affected components
- Service park brake chamber
- Air compressor
- Air lines
Common causes
- High likelihood: Air leak in brake system
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.