Friday, August 7, 2026
RecallGazette

Vehicle problems, recalls & safety intelligence

Chrysler 300 2021–2023technical service bulletin

Bulletin 0818123 · NHTSA communication 10242828 · issued Jul 26, 2023

Technical service bulletin
communication type
Equipment
component
2021–2023
model years
26
vehicle entries

Official summary

Radio Over The Air Updating to QR40.12 Software Version ? Mobile Wi-Fi inoperative upon start up. ? Hotspot gives "No Internet" connection message on phone, when trying to connect to a device. This bulletin provides information regarding the latest Firmware Over The Air (FOTA) update and provides the service technician an overview of the steps a customer will need to take to complete the update. The radio software will be updated from QR39.62 and QR39.57 to QR40.12. NOTE: National launch for this FOTA update is expected to begin August 16, 2023

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.