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: Transmission and driveline are shown. Show all
| S2621000004 | 2026-10-07. Service bulletin. POWER TRAIN. The Customer May Complain About a Popping Noise, Grinding Noise, or an Intermittent No Reverse or Forward Transmission Engagement. The Tech May Find Damaged and/or Worn Transmission Output Shaft Splines (850RE Transmission Only) |
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| 114741 | 2026-09-30. Service bulletin. POWER TRAIN. TRANSMISSION KIT - WITH TORQUE CONVERTER |
| 21-041-26 REV. A | 2026-07-02. Service bulletin. POWER TRAIN. Transmission Auxiliary Oil Pump Failure Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set **one or more the following Diagnostic Troubles Code (DTCs): ● U0287-00 - Lost Communication With Transmission Fluid Pump Module 1.** ● P0B0D-00 - Electric/Auxiliary Transmission Fluid Pump Motor Control Module. Customers may also comment on the following: ● Vehicle is in limp mode. This bulletin involves replacing the transmission oil pump. |
| 21-041-26 | 2026-05-20. Service bulletin. POWER TRAIN. Transmission Auxiliary Oil Pump Failure Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● P0B0D-00 - Electric/Auxiliary Transmission Fluid Pump Motor Control Module. Customers may also comment on the following: ● Vehicle is in limp mode This bulletin involves replacing the transmission oil pump. |
| 18-003-26 REV A | 2026-04-22. 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 |
| S2621000003 REV.A | 2026-03-18. Service bulletin. POWER TRAIN. The vehicle will exhibit a service transmission/check engine warning indicator for the following transmission models: 845RE, 8HP45, 850RE, 8HP50, 8HP70, 8HP75, 8HP75-PHEV, 8HP75-LCV, 8HP90, 8HP95. Transmissions may exhibit the following diagnostic codes: P07E4, P1DB2, P0716, P1B14, P0733, P1D90, P1DB7, P1B13. |
| S2603000001 | 2026-03-05. Service bulletin. POWER TRAIN. A suspected leak may be noticed on the front or rear axle pinion seal. |
| S2621000003 | 2026-03-05. Service bulletin. POWER TRAIN. Service transmission/check engine warning indicator for the 850RE, 8HP50, 8HP70, 8HP75, 8HP75-PHEV transmissions that have fault codes P07E4, P1DB2, P0716, P1B14, P0733, P1D90, P1DB7, P1B13. |
| 9100749 Rev 1 | 2026-01-21. Service bulletin. POWER TRAIN. We have observed that some JL/JT rear axle shafts are leaking oil. Replace axle shaft and seal together. Do not replace seal only. Keep original seal and axle shaft and send the parts as fast track. |
| 9100749 | 2026-01-14. Service bulletin. POWER TRAIN. axle seal We have observed that some JL/JT rear axle shafts are leaking oil. Replace axle shaft and seal together. Do not replace seal only. Keep original seal and axle shaft and send the parts as fast track. |
| 18-092-25 | 2025-11-13. Service bulletin. POWER TRAIN. Not applicable to vehicles built for US market. If not in us market place in concise summary Flash: Powertrain Control Module (PCM) Updates Customers may experience the following: ● Momentary hesitation in the engine when the vehicle is shifting from 3rd to 4th gear under light load and light acceleration. This occurs primarily between 1,600 and 2,100 RPM. Feels like an engine stumble or a misfire This bulletin involves Inspecting and possibly reprogramming the PCM with the latest available software. |
| 9100684 | 2025-10-29. Service bulletin. POWER TRAIN. When servicing/replacing 68415437A$ Transmission, take care to not damage the PIM to P2 harness. Also, when reinstalling the harness, route the harness properly and secure it at all the retention points. |
| 21-038-25 | 2025-08-21. Service bulletin. POWER TRAIN. Transmission Auxiliary Oil Pump Failure Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● P0B0D-00 - Electric/Auxiliary Transmission Fluid Pump Motor Control Module. Customers may also comment on the following: ● Vehicle is in limp mode This bulletin involves replacing the transmission oil pump. |
| 03-003-25 REV. A | 2025-08-06. Service bulletin. POWER TRAIN. Not applicable to vehicles built for US market. Rear Axle Noise Customers may experience the following: ● Intermittent grinding, screeching, ratcheting noise coming from the right hand side of vehicle on the rear axle This bulletin involves cleaning and lubricating the axle shaft and hub splines. |
| 21-009-25 REV. C | 2025-07-09. Service bulletin. POWER TRAIN. 850RE D Clutch Repair Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must have at least 11,265 km (7,000 mi.) and exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0733-00 - Gear 3 Shift Incorrect Ratio. ● P1DA8-00 - Incorrect Gear Ratio Clutch A B or D Defective. ● P1D92-00 - Incorrect Gear Ratio - Clutch 4 Defective. Customers may also comment on one or more of the following: ● Transmission slips when shifting. ● Vehicle will not move in reverse. ● Vehicle will not shift higher than third gear This bulletin involves replacing the D clutch. |
| 21-026-25 REV. B | 2025-06-26. Service bulletin. POWER TRAIN. Shifter Inoperative Customers may comment on one or more of the following: ● The vehicle can't be shifted out of Park or current selected gear. ● "Service Shifter, Stop Safely, Shut Off Engine To Engage Park" message displayed on the Instrument Panel Cluster (IPC). NOTE: Auto park will engage once the driver seat belt is unbuckled and the driver door is opened. This bulletin involves inspecting transmission shifter operation and possibly replacing the transmission shifter. |
| 21-026-25 REV. A | 2025-06-10. Service bulletin. POWER TRAIN. "Shifter Inoperative Customers may comment on one or more of the following: ● The vehicle can't be shifted out of Park or current selected gear. ● ""Service Shifter, Stop Safely, Shut Off Engine To Engage Park"" message displayed on the Instrument Panel Cluster (IPC). This bulletin involves inspecting transmission shifter operation and possibly replacing the transmission shifter." |
| 18-026-25 | 2025-05-30. Service bulletin. POWER TRAIN. "Flash: Powertrain Control Module (PCM) Updates 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): ● **P2450 - Fuel Tank Isolation Valve Stuck Open.** ● P0032 - O2 Sensor 1/1 Heater Circuit High. ● P2097 - Downstream Fuel Trim System 1 Rich. ● P0171 - Fuel System 1/1 Lean. ● P0300 - Multiple Cylinder Misfire. ● P06E4 - Control Module Wake-Up Circuit Performance. ● B12B4 - Charge Status Indicator Module Internal. ● P061B - Internal Control Module Torque Calculation Performance. ● P0810 - Clutch Position Control Error. ● P2885 - Engine Disconnect Clutch Engagement Fault. Customers may also experience one or more of the following: ● **""Service Hybrid System"" message displays on the Instrument Panel Cluster (IPC). ● Wrench icon displays on the IPC.** ● Vehicle misfires. ● Low speed engine stall at idle. ● Difficulty shifting out of 4LO. ● Idle creep while in 4LO with transmission in neutral. **This bulletin involves reprogramming the Powertrain Control (PCM) and the Auxiliary Hybrid Control Processor (AHCP) also known as Power Inverter Module (PIM) and possibly the Transmission Control Module (TCM) with the latest available software.**" |
| 08-177-25 | 2025-05-30. Service bulletin. FUEL/PROPULSION SYSTEM; POWER TRAIN; ELECTRICAL SYSTEM. "Flash: Power Inverter Module (PIM) Flash Updates Customers may experience one or more of the following: ● Electric Vehicle (EV) system shuts down while transferring over to Internal Combustion Engine (ICE) motive power. Engine Stop Start (ESS) function will also not operate as a result of this condition. ● ""Service Hybrid System"" message displays on the Instrument Panel Cluster (IPC). ● Wrench icon displays on the IPC. This bulletin involves reprogramming the Auxiliary Hybrid Control Processor (AHCP) also known as PIM, with the latest available software." |
| 9100570 | 2025-05-19. Service bulletin. POWER TRAIN. "Transmission Fluid Please note fluid color/condition/odor is NOT an indicator of transmission health and should not be used as the reason for unit replacement. Visible ""glitter"" or debris in the pan does not justify complete unit replacements." |
| 9100534 Rev 1 | 2025-05-19. Service bulletin. POWER TRAIN. Transmission "Transmission For transmission concerns related to DTCs P0733-00, P1DA8-00, and/or P1D92-00, a repair is available, and transmission replacement is NOT required. Please reference TSB 21-009-25 Rev. A, for details on D-clutch replacement. Please also note, visible ""glitter"" or debris in the pan and fluid color/condition/odor is NOT an indicator of transmission health and should not be used as the reason for unit replacement. Complete unit replacements instead of repairs for these DTCs may be subject to chargeback." |
| 03-003-25 | 2025-05-13. Service bulletin. POWER TRAIN. "Rear Axle Noise Customers may experience the following: ● Intermittent grinding, screeching, ratcheting noise coming from the right hand side of vehicle on the rear axle This bulletin involves cleaning and lubricating the axle shaft and hub splines." |
| 21-009-25 REV. B | 2025-04-08. Service bulletin. POWER TRAIN. "850RE D Clutch Repair **Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must have at least 11,265 km (7,000 mi.) and exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs):** ● P0733-00 - Gear 3 Shift Incorrect Ratio. ● P1DA8-00 - Incorrect Gear Ratio Clutch A B or D Defective. ● P1D92-00 - Incorrect Gear Ratio - Clutch 4 Defective. Customers may also comment on one or more of the following: ● Transmission slips when shifting. ● Vehicle will not move in reverse. ● Vehicle will not shift higher than third gear This bulletin involves replacing the D clutch." |
| 21-020-25 REV. A | 2025-04-02. Service bulletin. POWER TRAIN. "Flash: Transmission Control Module (TCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● P1DB7-00 - Torque Converter Clutch Performance. Customers may also experience one or more of the following: ● The check engine light illuminates. ● Overheating of the transmission fluid. This bulletin involves reprogramming the TCM with the latest available software." |
| 9100534 | 2025-03-28. Service bulletin. POWER TRAIN. "Transmission For transmission concerns related to DTCs P0733-00, P1DA8-00, and/or P1D92-00, a repair is available, and transmission replacement is NOT required. Please reference TSB 21-009-25 Rev. A, for details on D-clutch replacement. Please also note, fluid color/condition/odor is NOT an indicator of transmission health and should not be used as the reason for unit replacement. Complete unit replacements instead of repairs for these DTCs may be subject to chargeback." |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.