RAM 1500 2025 — technical service bulletin
Bulletin 08-070-26 · NHTSA communication 11029665 · issued Feb 17, 2026
Technical service bulletin
communication type
Electrical System
component
2025
model years
1
vehicle entries
Official summary
Flash: Telematics Box Module Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● B1560-11-Cellular Antenna 1-Circuit Short To Ground. ● B1561-11-Cellular Antenna 2-Circuit Short To Ground. ● B1562-14-GPS Antenna-Circuit Short To Ground Or Open. ● B22A9-96-ECU Internal Performance-Component Internal Failure. Customers may also experience the following: ● "Uconnect Box Required Service" Message in Radio Display. This bulletin involves reprogramming the TBM with
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.