WenmarOpen by Wenmar Pro

Service bulletin S1621000003 Rev.

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10188735
Published by NHTSA2021-03-15
Manufacturer's numberS1621000003 Rev.
Manufacturer's date2021-02-08
NHTSA componentEQUIPMENT; POWER TRAIN

NHTSA's summary

Transmission And Transmission Bracket Service

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Equipment and accessories, Transmission and driveline

Vehicles listed
RAM PROMASTER2014 to 2021

Listing a model year does not mean every vehicle of it is concerned: the document says which.