Error code
OBD2 U0218
OBD2U0218
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Lost Communication With 'Door Switch D'.
Severity
moderateCan usually drive but may experience issues with door-related functions.
Summary
U0218 indicates that there is no communication between the car's data bus and the door switch D, which monitors the status of one of the doors.
Common Causes
- Faulty door contact switch D
- Data bus wiring issue or damage
Fixes
- Replace the faulty door contact switch D.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
More OBD2 codes
- U0200Lost Communication With 'Door Control Module B'
- U0201Lost Communication With 'Door Control Module C'
- U0202Lost Communication With 'Door Control Module D'
- U0203Lost Communication With 'Door Control Module E'
- U0204Lost Communication With 'Door Control Module F'
- U0205Lost Communication With 'Door Control Module G'
- U0206Lost Communication With Folding Top Control Module
- U0207Lost Communication With Moveable Roof Control Module
- U0208Lost Communication With 'Seat Control Module A'
- U0209Lost Communication With 'Seat Control Module B'
- U0210Lost Communication With 'Seat Control Module C'
- U0211Lost Communication With 'Seat Control Module D'