OBD-II code · Chassis
C00A1 Driveline Control Module
Generic fault on driveline control module.
Is it safe to drive with C00A1?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyModule internal fault
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
- 1–5 h
- Emissions test
- Usually unaffected
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Driveline Module
Related codes
- C009E4WD/AWD Rear Differential Unit Actuator B Position Sensor B
- C009F4WD/AWD Rear Differential Unit Actuator B Position Sensor C
- C00A04WD/AWD Rear Differential Unit Actuator B Position Sensor Correlation
- C00A2Driveline Control Module Power Transfer Unit Control Circuit Driver
- C00A3Driveline Control Module Rear Differential Unit A Control Circuit Driver
- C00A4Driveline Control Module Rear Differential Unit B Control Circuit Driver
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.