The B1351 code on your 2022 Audi Q5 indicates a fault in the right side mirror motor circuit. This code affects your Q5's power mirror adjustment system, signaling an electrical issue with the passenger side mirror motors for adjustment or folding.
Understanding B1351 on Audi Q5
The right side mirror contains motors for horizontal and vertical adjustment, and possibly power folding. Code B1351 indicates the door module or convenience control unit has detected a fault in one or more of these motor circuits - either no response, abnormal current, or position feedback issues.
Common Symptoms
- Passenger mirror won't adjust
- Mirror only moves in certain directions
- Power fold doesn't work
- Mirror makes noise but doesn't move
- Memory positions don't work for this mirror
- Auto-fold feature inoperative
Primary Causes
- Mirror motor internal failure
- Power fold motor failure
- Wiring damage in passenger door
- Door module J389 fault
- Mirror switch failure
- Corroded mirror connector
Diagnostic Procedure for 2022 Audi Q5
Using VCDS, access door module J389 and command mirror movements. Monitor motor feedback for each direction. Test power fold function if equipped. Check for voltage at mirror connector during commanded movement. Inspect door wiring, especially at jamb. Test mirror switch output to door module.
Repair Solutions
Replace mirror motor assembly if motors have failed internally. Repair wiring damage in door jamb area. Replace door module J389 if not commanding properly. Clean corroded mirror connector terminals. If power fold motor fails separately, some mirrors allow individual motor replacement. Clear codes and verify all mirror adjustments work.