OBD-II code · Chassis
C05DB 4WD/AWD Clutch A Actuator Control Circuit High
4WD/AWD Clutch A Actuator Control Circuit High: the control-circuit voltage is above the expected range. This affects engagement of the all-wheel-drive clutch.
Is it safe to drive with C05DB?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyWiring shorted to battery
- Less likelyConnector pins corroded - high contact resistance
- Less likelySupply wire pinched against B+ source
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
- 0.5–3 h
- Emissions test
- Usually unaffected
- Parts involved
- Awd Clutch A Actuator
Related codes
- C05EA4WD/AWD Clutch B Actuator Control Circuit High
- C05D84WD/AWD Clutch A Actuator Control Circuit/Open
- C05D94WD/AWD Clutch A Actuator Control Circuit Performance
- C05DA4WD/AWD Clutch A Actuator Control Circuit Low
- C05DC4WD/AWD Clutch A Temperature Too High
- C05DD4WD/AWD Clutch A Performance/Stuck Disengaged
- C05DE4WD/AWD Clutch A Stuck Engaged
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.