Fault Code U0166
Code meaning, symptoms, possible causes, part number, and estimated cost.
U0166
Lost Communication With Control Module
Code U0166 indicates a loss of communication with the Power Steering Control Module. This fault will affect the operation of electric or electrically assisted hydraulic steering.
Part Details
Part Name
Power Steering Control Module
Reference P/N (OEM)
N/A
General part number for this fault code — not necessarily for your specific vehicle
Estimated Cost
₪700 - ₪3500
Engine Location
Under hood, near steering rack
Symptoms
- Heavy or difficult steering
- Power steering warning light illuminated
- Unusual noises from steering
- Loss of power steering assist while driving
Possible Causes
- 1Faulty power steering control module
- 2Damaged wiring or connector in the CAN bus
- 3Power or ground issue to the module
- 4Faulty electric power steering motor
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