Chrysler Pacifica 2021–2022 — technical service bulletin
Bulletin 0819823 · NHTSA communication 10243258 · issued Aug 17, 2023
Technical service bulletin
communication type
Equipment
component
2021–2022
model years
4
vehicle entries
Official summary
Telematics Box Module (TBM) Firmware Over The Air (FOTA) Software Updating from 4.29C to 4.36 Customers may experience one or more of the following: ? Uconnect Box requires service message at start up. ? Losing Wi-Fi Hotspot streaming connection: internet data is not reliable. ? User is unable to setup the Charge schedule/Climate schedule events in Uconnect App (TBM is sending failure message). ? LED blinking on overhead console after ignition cycle. These conditions do not affect the rear view camera display. This bulletin provides information regarding the latest Firmware Over The Air (FOTA)
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.