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Service bulletin 22519

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 id10227431
Published by NHTSA2022-12-07
Manufacturer's number22519
Manufacturer's date2022-11-02
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

In cold weather, especially during engine warmup, the engine may experience a misfire condition resulting in setting the Malfunction Indicator Lamp (MIL) and possible increase in emissions. Only models with Generation II PSI 8.8L LP 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

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.