OBD-II code · Chassis
C0599 Brake Booster Control Module Missing Calibration
Brake booster control module not calibrated — typically required after replacement. 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 C0599?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyCalibration not performed
Symptoms
- ABS warning light on
- ESC/stability control deactivated
- Possible reduced brake assist
- Speedometer may behave erratically
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.5–2 h
- Emissions test
- Usually unaffected
- Parts involved
- Brake Booster Module
Related codes
- C0596Brake Booster Motor A Current Sensor Circuit Range/Performance
- C0597Brake System Control Module A Performance
- C0598Brake System Control Module B Performance
- C059APower Steering Control Module - Rear Missing Calibration
- C059BBrake Pressure Sensor B Missing Calibration
- C059CBrake Pressure Sensor C Missing Calibration
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.