Telematics Box Module (TBM) wiTECH update to 4.36 Customers may experience one or more of the following: ?...

Bulletin number

0817423

Component

Electrical system

Summary

Telematics Box Module (TBM) wiTECH update to 4.36 Customers may experience one or more of the following: ? Uconnect box requires service message (Fig. 1) . ? Uconnect box backup ?battery low? message on the radio. ? WiFi hotspot streaming lost. ? Rear mirror LED blinking after ignition cycle. ? Uconnect App charge schedule / climate schedule setup issue. ? Customer not seeing profile or other vehicle information on the mobile app. This bulletin involves updating the TBM software from 4.27i to 4.36.

Owners of these vehicles have filed 54 complaints in the electrical category.