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Service bulletin 21507 Interim

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 id10204129
Published by NHTSA2021-12-07
Manufacturer's number21507 Interim
Manufacturer's date2021-11-09
NHTSA componentENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM

NHTSA's summary

With the vehicle in motion, the engine control module (ECM) may set a fault code resulting in engine shut down without warning; Only models built with PSI gasoline or LPG engines

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, Engine

Vehicles listed
IC BUS CESB2020 to 2023

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