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Service bulletins for the 2024 Jeep Wrangler

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.

495 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
S26090000112026-09-17. Service bulletin. ENGINE. MIL-On and/or Engine Oil Leak
9100363 Rev 32026-09-03. Service bulletin. ENGINE. 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.
1132712026-07-18. Service bulletin. ENGINE. CORE – HEATER
1132702026-07-18. Service bulletin. ENGINE. CORE – HEATER
1131532026-07-08. Service bulletin. ELECTRICAL SYSTEM; ENGINE. THERMOSTAT – NONE.
1131522026-07-08. Service bulletin. ELECTRICAL SYSTEM; ENGINE. THERMOSTAT – NONE.
1126392026-07-08. Service bulletin. ENGINE. THROTTLE BODY – NONE
1126402026-07-08. Service bulletin. ENGINE. THROTTLE BODY – NONE
1128422026-07-02. Service bulletin. ENGINE. BOLT - HEX FLANGE HEAD
1128142026-06-18. Warranty extension. ENGINE. 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. ENGINE. 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. ENGINE. 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. ENGINE. 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. ENGINE. 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. ENGINE. 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. ENGINE. 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.
1114062026-04-22. Service bulletin. ENGINE. COVER - CYLINDER HEAD
1114052026-04-22. Service bulletin. ENGINE. COVER - CYLINDER HEAD
18-003-26 REV A2026-04-22. Service bulletin. ENGINE; POWER TRAIN. Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● **P0300 - Multiple Cylinder Misfire (Active or Stored status set during cold start catalyst heating). ● P0301 - Cylinder 1 Misfire (Active or Stored status set during cold start catalyst heating). ● P0302 - Cylinder 2 Misfire (Active or Stored status set during cold start catalyst heating). ● P0303 - Cylinder 3 Misfire (Active or Stored status set during cold start catalyst heating). ● P0304 - Cylinder 4 Misfire (Active or Stored status set during cold start catalyst heating). ● P0305-00 - Cylinder 5 Misfire (Active or Stored status set during cold start catalyst heating). ● P0306-00 - Cylinder 6 Misfire (Active or Stored status set during cold start catalyst heating).** ● P0032 - O2 - Sensor 1/1 Heater Circuit High. ● P0038 - O2 - Sensor 1/2 Heater Circuit High. ● P0052 - O2 - Sensor 2/1 Heater Circuit High. ● P0058 - O2 - Sensor 2/2 Heater Circuit High. ● P1129 - Closed Loop Fueling Not Achieved-Banks 2 Upstream. ● P0152 - O2 Sensor 2/1 Circuit High. ● P0158 - O2 Sensor 2/2 Circuit High. ● P2504 - Charging System Output High. ● P0563 - System Voltage High. ● P08A6 - Gear Lever Position Sensor System - Multiple Sensor Correlation. (Manual Transmission Only) ● P152F - Engine Hood Switch 2 / Engine Hood Switch 1 Correlation. ● P1129 - Closed Loop Fueling Not Achieved - Bank 2 Upstream. ● P0152-02 - O2 Sensor 2/1 Circuit High. ● P0158-02 - O2 Sensor 2/2 Circuit High. ● P2504 - Charging System Output High. ● P0563 - Battery/System Voltage High. Customers may also comment on one or more of the following: ● **The vehicle has a rough idle. ● The engine has a miss or runs rough. ● Noisy valvetrain. M18 FSAR-TSB-7163 -2- ● "Service Transmission" message in the Instrument Panel Cluster (IPC) due to clutch slip detection with the transfer case in neutra
S26070000032026-02-19. Service bulletin. ENGINE. GMET4 DOHC Water Pump Coolant Leak Inspection
S26070000022026-02-12. Service bulletin. ENGINE. Hemi Water Pump Coolant Leak Inspection
1097272026-01-28. Service bulletin. ENGINE. Water Pump & Chain Case Cover
1097242026-01-28. Service bulletin. ENGINE. Water Pump & Chain Case Cover
91007232025-11-13. Service bulletin. ENGINE. 1.Identify Customer Concern Check for small traces of coolant near the water pump, especially around the weeper chamber. Confirm if coolant is visibly dripping from the weeper chamber. 2.Root Cause identification The weeper chamber is designed to collect small amounts of coolant (< 3 ml/h) that pass through the dynamic seal. Red traces or shadows around the chamber may appear during initial operation due to seal adaptation or vapor condensation. These traces are not necessarily signs of a leak. Continuous dripping of coolant, however, indicates a malfunction. 3.Service Repair Procedure Lift the vehicle using an elevator. Verify if coolant is actively dripping from the weeper chamber. Run the engine at idle, alternating speed between 2000 4000 rpm for 15 minutes. Observe the weeper chamber during this test: If coolant continues to drip: Replace the water pump (possible permanent damage to the dynamic seal). If dripping stops: No further action is needed; the vehicle can be returned to the customer. 4.Clarify Leak Sources Do not confuse leaks from: The Press-In-Place rubber gasket (between water pump and engine block), or The inlet pipe nipples with leaks from the weeper chamber.
S25090000092025-11-05. Service bulletin. ENGINE. Engine Oil Leak

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.