RAM 1500 2021–2023 — technical service bulletin
Bulletin 03-002-25 · NHTSA communication 11016854 · issued Apr 4, 2025
Technical service bulletin
communication type
Power Train
component
2021–2023
model years
3
vehicle entries
Official summary
"Rear Propshaft clunk Customers may experience the following: ● A clunk noise from the driveshaft while coming to a stop or when just starting to tip into throttle at take off This bulletin involves inspecting and possibly reprogramming the ISCM and the Powertrain Control Module (PCM) with the latest available software. *This bulletin involves greasing the rear driveshaft and installing a boot kit"
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.