Fault Code U0423
Code meaning, symptoms, possible causes, part number, and estimated cost.
U0423
Invalid Data Received From Control Module
Code U0423 indicates that the Instrument Panel Control Module received invalid or unexpected data from another control module on the vehicle's communication network.
Part Details
Part Name
Instrument Panel Control Module
Reference P/N (OEM)
N/A
General part number for this fault code — not necessarily for your specific vehicle
Estimated Cost
₪700 - ₪2800
Engine Location
Instrument Cluster
Symptoms
- Incorrect gauge display
- Warning lights on without reason
- Incorrect communication with infotainment system
- Check Engine light on
Possible Causes
- 1Instrument Panel Control Module fault
- 2Damaged wiring or connectors
- 3Fault in related modules (e.g., ECM)
- 4CAN Bus communication interference
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