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All Doors Fail to Lock and Unlock From One Switch

Test 1:




Test 2:




SYMPTOM
ALL DOORS FAIL TO LOCK AND UNLOCK FROM ONE SWITCH

TEST NOTE
This symptom is diagnosed using the test ALL DOORS (EXCEPT DRIVER W/RKE) FAIL LOCK/UNLOCK FROM ANY SWITCH.

POSSIBLE CAUSES
- Defective door lock switch
- Defective unlock switch