RAM 1500 2022 — technical service bulletin
Bulletin 08-172-21 REV. A · NHTSA communication 10204390 · issued Nov 13, 2021
Technical service bulletin
communication type
Electrical System
component
2022
model years
5
vehicle entries
Official summary
Radio Enhancements This bulletin involves inspecting the software level and updating the software if needed. The software will be updated from S21.8 or S21B.5 to S21C.6. Customers may experience one or more of the following:Valet mode inoperable(DT TRX only). Right and left trailer camera view is inoperable, soft buttons do not work, and "More Cams" button down does not show on Trailer 360 mode. Unable to program Trailer Tire Pressure Monitor (TTPM) warning. In addition the following enhancement are included:CarPlay® enhancements.
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.