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Service bulletin 09-019-25

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 id11020846
Published by NHTSA2025-07-23
Manufacturer's number09-019-25
Manufacturer's date2025-07-16
NHTSA componentENGINE

NHTSA's summary

Make Up Air Hose Disconnected Customers may experience the following● A deterioration in engine performance. This bulletin involves inspecting the Make Up Air Hose and, if needed, reconnecting the hose to the resonator.

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
JEEP GRAND CHEROKEE2025
JEEP GRAND CHEROKEE L2025

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

Recalls for the same vehicles and component
20256172025-11-06. Engine
25V7660002025-11-06. ENGINE

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
S26090000112026-09-17. Service bulletin. MIL-On and/or Engine Oil Leak
1132412026-07-18. Service bulletin. SPARK PLUG - NONE
1132402026-07-18. Service bulletin. SPARK PLUG - NONE
1126392026-07-08. Service bulletin. THROTTLE BODY – NONE
1126402026-07-08. Service bulletin. THROTTLE BODY – NONE
1128422026-07-02. Service bulletin. BOLT - HEX FLANGE HEAD
1128142026-06-18. Warranty extension. ID-26-24 Rev. A (XC2) 2.0L PHEV Engine - Select 2024 - 2025 Jeep Wrangler (JL) and 2023 - 2025 Grand Cherokee/ Grand Cherokee L (WL)
1128122026-06-18. Warranty extension. D-26-11 Rev. A (XC2) 2.0L PHEV Engine - Select 2024 - 2025 Jeep Wrangler (JL) and 2023 - 2025 Grand Cherokee/ Grand Cherokee L (WL)
1123412026-06-03. Warranty extension. ID-26-04 Rev. A Addition of 2.0L T4 Long Block or Complete Engine to the Powertrain Service Center (PTSC) Pre-Approval Program To clarify when an OEM part and the Recall Campaign part should be used. The original bulletin announced the addition of the 2.0L T4 Long Block or Complete Engine (Sales Codes EC1, EC2, and ECX) to the Powertrain Pre-Approval process.
1123202026-06-03. Warranty extension. Addition of 2.0L T4 Long Block or Complete Engine to the Powertrain Service Center (PTSC) Pre-Approval Program - ALL Dealers (Rev. A) To clarify when an OEM part and the Recall Campaign part should be used. The original bulletin announced the addition of the 2.0L T4 Long Block or Complete Engine (Sales Codes EC1, EC2, and ECX) to the Powertrain Pre-Approval process for ALL dealers.