Flash: BCM Diagnostic And System Improvements
This bulletin involves updating the Body Control Module (BCM) software.
A customer may describe that the remote key is not recognized and doesn't open/close
door locks.
In some cases the engine may not start due to the fact that a valid key is not recognized.
Upon further investigation the technician may find the Diagnostic Trouble Codes (DTCs):
? B105A-64 - Doors Lock All-Signal Plausibility Failure.
? B105D-64 - Doors Deadlock Or Unlock Driver-Signal Plausibility Failure.