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Service bulletin TSB170036-041920

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 id10110329
Published by NHTSA2017-08-04
Manufacturer's numberTSB170036-041920
Manufacturer's date2017-04-19
NHTSA componentELECTRICAL SYSTEM:IGNITION; ELECTRICAL SYSTEM; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

NHTSA's summary

This Technical Service Bulletin describes the revision to the service procedure regarding ignition coil malfunction and the ignition coil (non shielded). Cranking engine with multiple ignition coils disconnected will cause electrical overstress and damage of ignition coils. The service procedure has been updated to outline correct testing procedures for ignition coils.

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, Equipment and accessories, Labels and manuals, Ignition

Vehicles listed
CUMMINS ISL G

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