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Driver Door Key Fails to Arm or Disarm VTSS

Tests 1 - 4:




SYMPTOM
DRIVER DOOR KEY FAILS TO ARM OR TO DISARM VTSS

POSSIBLE CAUSES
- Fused B+ open
- Driver cylinder lock switch MUX circuit shorted to ground
- Driver cylinder lock switch MUX circuit open
- Driver cylinder lock switch
- BCM - VTSS won't arm or disarm with door key