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Service bulletin TSB220027

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 id10212889
Published by NHTSA2022-06-06
Manufacturer's numberTSB220027
Manufacturer's date2022-02-09
NHTSA componentENGINE AND ENGINE COOLING; POWER TRAIN; ENGINE

NHTSA's summary

This Technical Service Bulletin describes the verification and resolution of difficulty shifting gears, rapid deceleration, or feeling of engine brakes stuck on while operating the vehicle due to an ECM calibration code 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, Transmission and driveline

Vehicles listed
CUMMINS X15

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