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Service bulletin 1805823

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 id10239990
Published by NHTSA2023-07-31
Manufacturer's number1805823
Manufacturer's date2023-05-13
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; POWER TRAIN

NHTSA's summary

This bulletin applies to vehicles built on or before October 04, 2022 (MDH 1004XX) equipped with a 3.0L I6 Hurricane HO Twin Turbo ESS

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, Turbocharger or supercharger

Vehicles listed
JEEP GRAND WAGONEER2022
JEEP WAGONEER2022

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

Other bulletins for the same vehicles and component
830092022-12-19. Service bulletin. Warranty Bulletin D-22-08 Fast Feedback Program - 3.0L I6 HO Twin Turbo Engine, Exhaust System, Turbocharger Assembly, Fuel Components and Cooling Components - 2022 Wagoneer and Grand Wagoneer (WS)