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Service bulletin TSB240214

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 id11036018
Published by NHTSA2026-08-07
Manufacturer's numberTSB240214
Manufacturer's date2026-07-14
NHTSA componentENGINE

NHTSA's summary

This Technical Service Bulletin describes the recalibration steps for the engine control module calibration which may include incorrect tuning for the calibration settings of the Fuel Injector Performance Test, resulting in fault codes being reported, black smoke, rough engine operation or low power.

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 L9

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