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Service bulletin CSR 3121

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 id10244280
Published by NHTSA2023-10-25
Manufacturer's numberCSR 3121
Manufacturer's date2023-10-23
NHTSA componentPOWER TRAIN

NHTSA's summary

Altec Industries, Inc. has received notification from Fiat Chrysler Automobiles (FCA) that certain 2022 model year (DD) Ram 3500 cab chassis, (DP) Ram 4500/550 cab chassis, (D2) Ram 3500 pickup trucks equipped with an AISIN transmission could have a condition that relates to the operation or customer satisfaction of the unit when equipped with an Altecc aerial device or equipment.

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

Transmission and driveline

Vehicles listed
ALTEC AERIAL DEVICE2023

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