RAM 2500 2021 — technical service bulletin
Bulletin S2321000004 · NHTSA communication 10240017 · issued May 2, 2023
Technical service bulletin
communication type
Power Train
component
2021
model years
1
vehicle entries
Official summary
Malfunction Indicator Lamp (MIL) Illumination And Transmission Harsh Shift. Diagnostic Trouble Code (DTC) P2701 ? Transmission Friction Element ?B? Apply Time Range/Performance, Set.
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.