Service bulletin 09-009-26
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.
| Type | Service bulletin |
|---|---|
| NHTSA id | 11032844 |
| Published by NHTSA | 2026-05-20 |
| Manufacturer's number | 09-009-26 |
| Manufacturer's date | 2026-05-13 |
| NHTSA component | ENGINE |
NHTSA's summary
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.
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
Trouble codes named
P2336, P2337, P2338, P2339
| JEEP GRAND CHEROKEE | 2023, 2024, 2025 |
|---|---|
| JEEP GRAND CHEROKEE 4XE | 2023, 2024, 2025 (the catalog's model; the bulletin names a series or trim of it) |
| JEEP GRAND CHEROKEE L | 2023, 2024, 2025 |
| JEEP WRANGLER | 2024, 2025 |
| JEEP WRANGLER 4XE | 2024, 2025 (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.
| 2025617 | 2025-11-06. Engine |
|---|---|
| 25V766000 | 2025-11-06. ENGINE |
| 24V926000 | 2024-12-12. STRUCTURE:FRAME AND MEMBERS; FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY |
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
| S2609000011 | 2026-09-17. Service bulletin. MIL-On and/or Engine Oil Leak |
|---|---|
| 9100363 Rev 3 | 2026-09-03. 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. |
| 113241 | 2026-07-18. Service bulletin. SPARK PLUG - NONE |
| 113240 | 2026-07-18. Service bulletin. SPARK PLUG - NONE |
| 113271 | 2026-07-18. Service bulletin. CORE – HEATER |
| 113270 | 2026-07-18. Service bulletin. CORE – HEATER |
| 113153 | 2026-07-08. Service bulletin. THERMOSTAT – NONE. |
| 113152 | 2026-07-08. Service bulletin. THERMOSTAT – NONE. |
| 112639 | 2026-07-08. Service bulletin. THROTTLE BODY – NONE |
| 112640 | 2026-07-08. Service bulletin. THROTTLE BODY – NONE |