0804316

Flash: Wireless Control Module (WCM) Diagnostic And System Enhancements This bulletin involves updating the Wireless Control Module (WCM) with new software. A small number of customers may experience a no crank, no start or Malfunction Indicator Lamp (MIL) illumination. Upon further investigation a technician may find one or more of the following Diagnostic Trouble Codes (DTCs): B1A25 - INVALID KEY. B1A29 - SKIM Basestation Mismatch.