Cylinder Lock Switch Failure/Lock

Test 1 - 3:

Test 4 - 7:

SYMPTOM
CYLINDER LOCK SWITCH FAILURE/LOCK

WHEN MONITORED
Continuously

SET CONDITION
If the CTM detects that the Cylinder Lock switch remains in the "lock" position longer then 30 seconds.

POSSIBLE CAUSES
- Driver lock switch - open
- Key cylinder mechanical malfunction
- Passenger lock switch - open
- Defective CTM - lock
- Cylinder lock switch mux circuit short to ground
- Liftgate cylinder lock switch - open