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Service bulletin ATC2077

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 id10145444
Published by NHTSA2018-10-15
Manufacturer's numberATC2077
Manufacturer's date2018-09-25
NHTSA componentELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING

NHTSA's summary

This Account Team Coverage is being issued to address performance concerns on certain R2.8 Crate engines. This document authorizes repair locations to re-calibrate the engine control module (ECM).

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

Electrical system, Engine

Vehicles listed
CUMMINS DIESEL ENGINE1991

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