RAM 1500 2022 — technical service bulletin
Bulletin 0812322REVA · NHTSA communication 10221505 · issued Jun 25, 2022
Technical service bulletin
communication type
Back Over Prevention
component
2022
model years
5
vehicle entries
Official summary
Flash: Display Screen Module (DSM) Updates This bulletin involves reprogramming the DSM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technicianmay find that the following Diagnostic Trouble Code (DTC) has been set: B22A9 - ECU Internal Performance. Customers may also comment on the following:Black radio screen with audio at start up (backup camera functions normally).
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.