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Service bulletin TSB200037-032020

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 id10173939
Published by NHTSA2020-04-20
Manufacturer's numberTSB200037-032020
Manufacturer's date2020-03-20
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

This Technical Service Bulletin describes the verification and resolution of occurances where the switched maximum vehicle speed parameter does not restore after engine control module recalibration with no warning from INSITE electronic service tool.

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

Vehicles listed
CUMMINS B6.7
CUMMINS ISL9

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