Doors Lock With Key In Ignition and Left Door Open

SYMPTOM
* DOORS LOCK WITH KEY IN IGNITION AND LEFT DOOR OPEN

POSSIBLE CAUSES
- Link to body communication bus inoperative
- BCM defective
- BCM sends wrong key - in ignition status
- BCM a connector terminals damaged
- Ignition switch open
- Key - in ignition switch ground circuit open
- Key - in ignition switch sense circuit open