Tailgate Lock Inoperative

Test 1 - 3:

Test 4 - 8:

SYMPTOM
TAILGATE LOCK INOPERATIVE

POSSIBLE CAUSES
- DTC's present
- Tailgate lock driver open
- Tailgate lock motor open
- Tailgate lock driver short to ground
- Tailgate unlock driver open
- Tailgate unlock driver short to ground
- Junction block open
- Body control module - tailgate driver open