Additional All Doors Fail to Lock and Unlock From One Switch

SYMPTOM
ADDITIONAL ALL DOORS FAIL TO LOCK AND UNLOCK FROM ONE SWITCH

POSSIBLE CAUSES
- Door key cylinder switch connector circuit ground circuit open
- Door key cylinder switch defective
- Liftgate key cylinder switch defective
- Liftgate switch MUX shorted to battery
- Door switch MUX circuit to BCM open
- Driver door switch MUX circuit open at BCM connector
- Liftgate switch MUX circuit open at BCM connector
- Liftgate switch MUX circuit to BCM open
- Passenger door switch MUX circuit open at BCM connector
- Passenger door switch MUX circuit to BCM open
- Door lock switch connector ground circuit open
- Door lock switch defective
- Door lock switch MUX circuit open
- Door locks inoperative from key cylinder switch
- Door switch MUX circuit shorted to battery