RAM 1500 2022 — technical service bulletin
Bulletin S2208000074 · NHTSA communication 10229062 · issued Mar 17, 2022
Technical service bulletin
communication type
Engine and Engine Cooling
component
2022
model years
5
vehicle entries
Official summary
Vehicle Has Code B154F-00 Loss Crankshaft Pulse Signal
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.