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Service bulletin 9004474

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 id10222886
Published by NHTSA2022-10-17
Manufacturer's number9004474
Manufacturer's date2022-01-27
NHTSA componentSTRUCTURE

NHTSA's summary

MODULE, Body Controller (BCM) Do not replace the BCM for a lighting issue on Amazon vehicles. Please remove the D-Pillar cover and inspect the wiring for the left rear tail light. There is known issue with a Utilmaster installed jumper harness that makes the Left Rear Tail Lamp inoperative. Unplug jumper and reinstall the factory connector to the Tail Lamp to verify normal operation. For a replacement jumper please contact Ultimaster at 800-237-7806.

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

Body and frame

Vehicles listed
RAM PROMASTER2021

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