VTSS Does Not Trip From Liftgate Flip-Up Glass Only

SYMPTOM
VTSS DOES NOT TRIP FROM LIFTGATE FLIP-UP GLASS ONLY

TEST NOTE: This symptom is diagnosed using the test COURTESY LAMPS INOP FROM LIFTGATE FLIP-UP GLASS ONLY.

POSSIBLE CAUSES
- Open ground wire
- Open liftgate ajar switch sense
- Open liftgate flip-up ajar switch