RAM 3500 2021–2022 — technical service bulletin
Bulletin Y43 Combo · NHTSA communication 10229777 · issued Dec 6, 2022
Technical service bulletin
communication type
Engine
component
2021–2022
model years
4
vehicle entries
Official summary
Emissions Recall Y43 Particulate Matter Sensor
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.