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Service bulletin ATC2534

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 id10206497
Published by NHTSA2022-01-18
Manufacturer's numberATC2534
Manufacturer's date2021-12-14
NHTSA componentFUEL SYSTEM, OTHER; ENGINE AND ENGINE COOLING

NHTSA's summary

This Account Team Coverage is being issued to install a new fuel heater on certain B6.7 engines. This is a commercial action (non-safety related) to reinstate fuel heater functionality that was disabled as the remedy for safety recall 20E-018.

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

Engine, Fuel system

Vehicles listed
CUMMINS B6.7

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