Brake Hydraulic Circuit A Leak
Brake Hydraulic Circuit A Leak: a leak has been detected in this brake-hydraulic circuit, which reduces braking pressure. Safety-critical.
Affected components
- Brake circuit a
Common causes
- High likelihood: Brake fluid leak in circuit A
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
- Reduced-power or limp mode may occur
Related codes
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.