One Door Fails to Lock/Unlock From Any Switch

Tests 1 - 3:

Tests 4 - 8:

SYMPTOM
ONE DOOR FAILS TO LOCK AND UNLOCK FROM ANY SWITCH

POSSIBLE CAUSES
- Door lock motor - open
- Driver lock relay output circuit open
- driver door lock motor - open
- Driver unlock relay output circuit open
- Lock relay output circuit open
- Unlock relay output circuit open
- Body control module driver door unlock relay open