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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 shorted to voltage
- Central timer module - Cylinder lock switch MUX circuit open