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Service bulletin S2323000031

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 id10236861
Published by NHTSA2023-05-30
Manufacturer's numberS2323000031
Manufacturer's date2023-04-12
NHTSA componentEQUIPMENT; ENGINE AND ENGINE COOLING

NHTSA's summary

Buzz, Squeak, Rattle (BSR) From Under Vehicle While Driving.

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, Equipment and accessories

Vehicles listed
JEEP GRAND CHEROKEE2021
JEEP GRAND CHEROKEE2023
JEEP GRAND CHEROKEE 4XE2022 (the catalog's model; the bulletin names a series or trim of it)

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
25V0830002025-02-13. EQUIPMENT:ELECTRICAL:INFOTAINMENT:VIDEO (TOUCH)SCREEN/MONITOR/UNIT; BACK OVER PREVENTION:DISPLAY FUNCTION
23V4120002023-06-08. ENGINE
23V3360002023-05-11. EQUIPMENT:OTHER:LABELS
20222172022-04-28. Engine
22V2840002022-04-28. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)

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
9100363 Rev 32026-09-03. Service bulletin. Turbocharger Kit Please note that many turbo components are serviceable separately and full turbo replacement may not be required. If the turbo is being inspected for: Noise/Rattle: Inspect heat shield fasteners for looseness and check the wastegate actuator/linkage for binding. The actuator kit is serviced separately. Oil Leak: Inspect the turbo oil feed O-ring area for leaks. O-ring is serviced separately.
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
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.
1121472026-05-20. Warranty extension. D-26-11 (XC2) 2.0L PHEV Engine - Select 2024 - 2025 Jeep Wrangler (JL) and 2023 - 2025 Grand Cherokee/ Grand Cherokee L (WL)
1121492026-05-20. Warranty extension. ID-26-24 (XC2) 2.0L PHEV Engine - Select 2024 - 2025 Jeep Wrangler (JL) and 2023 - 2025 Grand Cherokee/ Grand Cherokee L (WL)
09-009-262026-05-20. Service bulletin. PHEV Engine Replacement XC2 Warranty Extension Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P2336 - Cylinder 1 Above Knock/Combustion Vibration Sensor Threshold. ● P2337 - Cylinder 2 Above Knock/Combustion Vibration Sensor Threshold. ● P2338 - Cylinder 3 Above Knock/Combustion Vibration Sensor Threshold. ● P2339 - Cylinder 4 Above Knock/Combustion Vibration Sensor Threshold. The customer may also describe the following: ● A knocking noise from the engine compartment This bulletin involves replacing the engine.