Affected Component: ELECTRICAL SYSTEM

Date Published
JAN 30, 2021
NHTSA TSB #
10215965
TSB Document
Summary
Video Routing Module (VRM) Enhancements For Rear Seat Entertainment System This bulletin involves updating the VRM software level to 20.30.14. Customers may experience one or more of the following: One or both of the rear screens are not working after rear display replacement.If the rear display is replaced and it does not function, confirm that the Video Routing Module (VRM) software is up to date. Black screen on both rear screens(2017-19 MY Only). Rear Seat Entertainment (RSE) remote control does not pair. When playing a video from a USB stick the video does not resume where itleft off after an ignition cycle(2017-19 MY Only). Video Screens do not turn on(2017-18 MY Only). Radio Uconnect theater button does not work(2017-18 MY Only). USB playback is choppy (2017 MY Only). The video system resets or does not function(2017 MY Only). The remote pairing screen will time out and inform customer the remote(s)have not been paired(2017 MY Only). Remotes frequently do not pair(2017 MY Only). Occasional reset(2017 MY Only). Rear screens can be accidently controlled from the radio outside of theparental control feature(2017 MY Only). Black screen(2017 MY Only). Upon further investigation the technician may find that the following Diagnostic Trouble Code(DTC) has been set:U11BB-00 - Lost Communication With Video Routing Module. B15AD-00 - Lost Low Voltage Differential Signal (LVDS) Connection With MediaPort 1. B15AE-00 - Lost Low Voltage Differential Signal (LVDS) Connection With MediaPort 2. B15AA-00 - Lost Low Voltage Differential Signal (LVDS) Connection With Display1. B15AB-00 - Lost Low Voltage Differential Signal (LVDS) Connection With Display2.Low Voltage Differential Signal (LVDS) DTCs (B15AD00, B15AE00, B15AB00, B15AA00) get falsely set when thevehicle is remote started. In addition the following improvement is included. Blueborn cyber security patch(2017-19 MY Only).