Fault Code U0456
Code meaning, symptoms, possible causes, part number, and estimated cost.
U0456
Invalid Data Received From Control Module
This code indicates that the PCM received invalid data from the Door Control Module, which can affect the function of power windows, locks, or mirrors.
Part Details
Part Name
Door Control Module
Reference P/N (OEM)
N/A
General part number for this fault code — not necessarily for your specific vehicle
Estimated Cost
₪400 - ₪1800
Engine Location
Vehicle door
Symptoms
- Power windows not working
- Door locks unresponsive
- Power mirrors not adjusting
- Incorrect open door warning light
Possible Causes
- 1Internal door control module failure
- 2Wiring issues or loose/damaged connector
- 3CAN Bus communication network interference
- 4Faulty door buttons/switches
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