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Service bulletin C2193A

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 id10181130
Published by NHTSA2020-10-19
Manufacturer's numberC2193A
Manufacturer's date2020-09-24
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

This Emission Campaign is being issued to recalibrate the Engine Control Module (ECM) on certain ISX15 CM2350 X101 engines. The field action enables authorized repair locations to calibrate the engine control module (ECM) to the latest revision. This calibration update may provide certain improvements to NOx Sensor performance. This is an update to a previously submitted communication.

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

Vehicles listed
CUMMINS ISX15

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