Fault Code U0146
Code meaning, symptoms, possible causes, part number, and estimated cost.
U0146
Lost Communication With Control Module
Code U0146 indicates a loss of communication with the Gateway Module 'A'. This module acts as a bridge between different communication networks in the vehicle (CAN Bus) and allows them to communicate with each other.
Part Details
Part Name
Gateway Module 'A'
Reference P/N (OEM)
N/A
General part number for this fault code — not necessarily for your specific vehicle
Estimated Cost
₪1000 - ₪4500
Engine Location
Engine compartment/Under dashboard
Symptoms
- Check Engine Light illuminated
- Numerous warning lights illuminated
- Malfunctions in several vehicle systems simultaneously
- Vehicle not starting or running erratically
Possible Causes
- 1Faulty Gateway module
- 2Damaged wiring or short in the CAN Bus system
- 3Loose or corroded connections
- 4Power supply issue to the module
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