RAM 1500 2026 — technical service bulletin
Bulletin 08-067-26 · NHTSA communication 11028877 · issued Feb 14, 2026
Technical service bulletin
communication type
Electrical System
component
2026
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 Short To Ground. ● B1561-11 - Cellular Antenna 2 Short To Ground. ● B1562-14 - GPS Antenna 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 the latest ava
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.