Fault Code U0221
Code meaning, symptoms, possible causes, part number, and estimated cost.
U0221
Lost Communication With Front Left Door Control Module
Code U0221 indicates a loss of communication with the Front Left Door Control Module. This module manages the electrical functions in this specific door.
Part Details
Part Name
Front Left Door Control Module
Reference P/N (OEM)
N/A
General part number for this fault code — not necessarily for your specific vehicle
Estimated Cost
₪300 - ₪1200
Engine Location
Inside the front left door
Symptoms
- Power windows inoperative
- Central locking unresponsive
- Side mirror adjustment malfunction
- Door warning lights not illuminating
Possible Causes
- 1Faulty wiring or loose door connector
- 2Short circuit or open in the communication bus
- 3Internal door control module failure
- 4Water intrusion into the door
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