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Service bulletin TSB170100-091520

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 id10118591
Published by NHTSA2017-10-12
Manufacturer's numberTSB170100-091520
Manufacturer's date2017-09-19
NHTSA componentELECTRICAL SYSTEM:IGNITION

NHTSA's summary

This Technical Service Bulletin describes the introduction of a maintenance interval for the ignition coil extension to reduce unplanned down time.

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

Electrical system, Ignition

Vehicles listed
CUMMINS ISL G
CUMMINS ISX12 G

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