All Doors Fail to Lock & Unlock From Both Cylinder Lock Switches

Test 1 - 4:

Test 5:

SYMPTOM
ALL DOORS FAIL TO LOCK AND UNLOCK FROM BOTH CYLINDER LOCK SWITCHES

POSSIBLE CAUSES
- DTC Present
- VTSS Enabled
- Cylinder Lock Switch Mux Circuit Open
- Cylinder Lock Switch Mux Circuit Short To Voltage
- Central Timer Module - Cylinder Lock Switch Mux Circuit Open