Courtesy Lamps Inoperative From Liftgate

Test 1 - 4:

Test 5 - 8:

SYMPTOM
COURTESY LAMPS INOPERATIVE FROM LIFTGATE

POSSIBLE CAUSES
- BCM, lamps disabled
- Cargo lamp
- Courtesy lamp disable
- Open ground wire
- Open liftgate ajar switch sense
- Open liftgate ajar switch
- Body control module (liftgate ajar switch open)