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Service bulletin CSA-004

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 id10199948
Published by NHTSA2021-08-04
Manufacturer's numberCSA-004
Manufacturer's date2021-08-04
NHTSA componentFUEL SYSTEM, DIESEL

NHTSA's summary

Customer Service Advisory for Cummins Recall #21E032 and Freightliner Recall #21V-326 for High Pressure Fuel Rail - Freightliner chassis units built on by Tiffin.

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

Fuel system

Vehicles listed
TIFFIN PHAETON2017 to 2021

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