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Service bulletin TSB260008

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 id11028339
Published by NHTSA2026-02-05
Manufacturer's numberTSB260008
Manufacturer's date2026-01-19
NHTSA componentENGINE

NHTSA's summary

This Technical Service Bulletin describes the verification and resolution steps for the engine control module calibration which may experience insufficient engine time to compensate and correct for part, fuel, and ambient variations, resulting in fault codes 4747, 5368, 5369 or 6131 being set.

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 X15N

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