0805623

Flash: Radio Frequency Hub Module (RFHM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Code (DTCs) have been set: ? **B1A7D-2F- Start Button-Signal Erratic** ? B1053-64 RFHM (KIN Communication) - Signal Plausibility Failure Customers may also experience: ? **Vehicle can not be switched off using the keyless button.** ? ?Service Passive Entry? light on cluster. ? Vehicle will not shut off with DTC B1053-64. ? Vehicle may not start with DTC B1053-64. This bulletin involves updating the RFHM module with the latest available software.