Driver Door (w/RKE) Failing to Unlock From Any Switch

SYMPTOM
* DRIVER DOOR (W/RKE) FAILING TO UNLOCK FROM ANY SWITCH

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

POSSIBLE CAUSES
- Defective door lock switch
- Defective unlock switch