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Service bulletin TSB220089

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 id10214699
Published by NHTSA2022-06-27
Manufacturer's numberTSB220089
Manufacturer's date2022-05-02
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

This Technical Service Bulletin describes the verification and resolution of an Over-the-air firmware change in vehicles with Prox II Connectivity Module that may cause false ?EVReady? light being illuminated without High Voltage enabled, and ?Charging Not Allowed?message displayed on vehicle dashboard.

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 CUMMINS

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