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Service bulletin TSB260130

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 id11037907
Published by NHTSA2026-10-05
Manufacturer's numberTSB260130
Manufacturer's date2026-09-16
NHTSA componentENGINE

NHTSA's summary

This Technical Service Bulletin describes the verification and resolution steps for the wiring to the coolant temperature sensor on certain B6.7O engines which may be routed such that it contacts the moving parts of the alternator, resulting in loss of signal from coolant temperature sensor.

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 B6.7O

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