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Service bulletin ATC1908B

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 id10141322
Published by NHTSA2018-06-18
Manufacturer's numberATC1908B
Manufacturer's date2018-05-08
NHTSA componentENGINE; ELECTRICAL SYSTEM

NHTSA's summary

This field action authorizes certified repair locations to re-calibrate the Electronic Control Module (ECM) on certain ISL CM2350 engines with calibration revisions released in Nov 2015 or later. Use the calibration revision history revision date to identify calibration revision released in Nov 2015. This is an update to a previous ommunication.

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 ISL

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