OBD-II code · Chassis
C05D6 Power Steering Control Module Processor Performance
Power steering control module processor reports an internal performance fault.
Is it safe to drive with C05D6?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyModule internal fault
- Less likelyModule software outdated, reflash may resolve
- Less likelySupply voltage outside specification
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
- Eps Module
Related codes
- C05D3Driver Applied Pressure Higher Than Expected
- C05D4Brake Master Cylinder Piston Position Sensor Calibration Not Learned
- C05D5Brake Master Cylinder Cut Off Valve
- C05D7Brake Transmission Shift Interlock (BTSI) Control Circuit
- C05D84WD/AWD Clutch A Actuator Control Circuit/Open
- C05D94WD/AWD Clutch A Actuator Control Circuit Performance
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.