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Service bulletin TSB200145-062320

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 id10177351
Published by NHTSA2020-07-20
Manufacturer's numberTSB200145-062320
Manufacturer's date2020-06-23
NHTSA componentENGINE

NHTSA's summary

This Technical Service Bulletin describes the verification and resolution active or multiple inactive counts of fault code 7935 due to an ECM calibration issue.

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 X15

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