Fault Code U0170
Code meaning, symptoms, possible causes, part number, and estimated cost.
U0170
Lost Communication With Control Module
Code U0170 indicates a loss of communication with the Vehicle Security Control Module. This fault can affect security functions such as central locking or the alarm system.
Part Details
Part Name
Vehicle Security Control Module
Reference P/N (OEM)
N/A
General part number for this fault code — not necessarily for your specific vehicle
Estimated Cost
₪400 - ₪2000
Engine Location
Passenger compartment, usually under dashboard
Symptoms
- Central locking not working
- Alarm not arming or false triggering
- Vehicle not responding to remote control
- Security light flashing without reason
Possible Causes
- 1Faulty security control module
- 2Damaged wiring or connector in the CAN bus
- 3Power or ground issue to the module
- 4Faulty security sensors or locks
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