OBD-II code · Chassis
C00A6 4WD/AWD Transfer Case Unit Actuator
Fault on transfer case unit actuator.
Is it safe to drive with C00A6?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyActuator failed
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
- Transfer Case Actuator
Related codes
- C00A3Driveline Control Module Rear Differential Unit A Control Circuit Driver
- C00A4Driveline Control Module Rear Differential Unit B Control Circuit Driver
- C00A5Driveline Control Module Transfer Case Unit Control Circuit Driver
- C00A74WD/AWD Transfer Case Unit Actuator Position Sensor A
- C00A84WD/AWD Transfer Case Unit Actuator Position Sensor B
- C0110ABS Pump Motor Circuit Malfunction
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.