OBD-II code · Chassis
C062C Brake Booster Motor B Performance
Brake booster motor B does not deliver expected performance. Boost control tracks commanded vs. actual manifold pressure; persistent deviation means wastegate, vanes, hose or actuator are not delivering the requested pressure.
Is it safe to drive with C062C?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyMotor worn or weak
Symptoms
- ABS warning light on
- ESC/stability control deactivated
- Possible reduced brake assist
- Speedometer may behave erratically
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 2–6 h
- Emissions test
- Usually unaffected
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Brake Booster Motor B
Related codes
- C0629Variable Effort Steering Control Module Incorrect Component Installed
- C062AVariable Effort Steering Module Temperature Too High
- C062BVariable Effort Steering Module Temperature Too Low
- C062DABS Valves Range/Performance
- C062EActive Air Dam Supply Voltage Circuit Low
- C062FActive Air Dam Supply Voltage Circuit High
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.