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Service bulletins for the 2020 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.

1020 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Bulletins, newest first
S1819000004 REV.P2024-08-19. Service bulletin. STEERING. Shimmy Felt In Front End
21-039-24 REV. B2024-08-13. Service bulletin. POWER TRAIN. "D Clutch Repair 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): ● 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. This bulletin involves replacing the D clutch."
S24030000022024-08-12. Service bulletin. POWER TRAIN. Griding/Gear Clash From Transfer Case When Going Into 4WD, Above 5 mph (8 kph).
998852024-08-12. Warranty extension. STRUCTURE:BODY; UNKNOWN OR OTHER. WARRANTY BULLETIN D-23-04 2018 - 2024 (Current) Jeep Wrangler (JL) and 2020 - 2024 (Current) Jeep Gladiator (JT) - Corrosion Warranty Claim Simplification (Rev. D)
998872024-08-08. Service bulletin. STRUCTURE:BODY; UNKNOWN OR OTHER. FCA Caribbean Warranty Bulletin ID-23-03 Rev. E adds 2024 model year vehicles and updates the Collision Service Bulletin number
995002024-07-31. Other. POWER TRAIN. CARRIER – PLANETARY & SHAFT KIT - OUTPUT
31-001-242024-07-30. Service bulletin. STRUCTURE:BODY. "Aluminum Body Panel Corrosion Repair Aluminum corrosion or bubbling along the leading edge of hood, hinges or other exterior surface areas of the hinges, doors, fenders, swing gates or liftgates. NOTE: Verify current warranty policy to determine if digital imaging pre-authorization is required or pre-approval is required from the Regional Office; depending on market. This bulletin involves inspecting and if necessary removing corrosion and refinishing the suspect aluminum panels on the vehicle, hood, door, fenders, hinges, swing gates or liftgate panels."
91003902024-07-18. Service bulletin. POWER TRAIN. D Clutch Repair Kit TSB 21-039-24 REV A - D-Clutch repair kit missing Carrier Output Shaft Seals It has been identified the Carrier Output Shaft is missing 2 seals for some of the kits delivered to dealers. These seals are not available individually. MOPAR is working to get the parts. Do not rebuild the transmission without these seals otherwise the vehicle will not have reverse. Please refer to STAR Online Publication S2421000001 for instructions for inspecting if the seals are present on the Output Shaft Carrier Shaft. If seals are missing, please return the D-Clutch Kit as defective and order another kit. Transmission replacement is not recommended as this issue should be solved with replacement kits.
9100390 Rev12024-07-18. Service bulletin. POWER TRAIN. D Clutch Repair Kit TSB 21-039-24 REV A - D-Clutch repair kit missing Carrier Output Shaft Seals It has been identified the Carrier Output Shaft is missing 2 seals for some of the kits delivered to dealers. These seals are not available individually. MOPAR is working to get the parts. Do not rebuild the transmission without these seals otherwise the vehicle will not have reverse. Please refer to STAR Online Publication S2421000001 for instructions for inspecting if the seals are present on the Output Shaft Carrier Shaft. If seals are missing, please return the D-Clutch Kit as defective and order another kit. Transmission replacement is not recommended as this issue should be solved with replacement kits
08-160-242024-07-17. Service bulletin. UNKNOWN OR OTHER. "Management Procedure for Customer Issues in Connected Services Customers may experience the following: ● Various Connected Services issues. The purpose of this informative Technical Service Bulletin (TSB) is to support the Network on the following topics: ● Discern the different kinds of connected service issues (onboard / offboard). ● Support the customer in his journey to open a request via Customer Care. ● Address on the correct actions to properly manage a customer complaining about the received assistance."
S24230000332024-07-08. Service bulletin. STRUCTURE:BODY. Water Leak From Front Door. Water On Front Floor.
S1408000384 REV.F2024-07-02. Service bulletin. ELECTRICAL SYSTEM; ENGINE. "Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor (IBS) State of Charge (SOC) Inaccurate, Battery Charging Message, Presence of IBS related Diagnostic Trouble Codes (DTCs), or Battery Warning Lamp On "
08-149-242024-07-02. Service bulletin. ELECTRICAL SYSTEM. "12V Battery Low Level Charge Notification On Customer’s Mobile Application Vehicle's 12V battery Low Level Charge notification on customer’s mobile application."
940062024-06-27. Other. VISIBILITY/WIPER. WIPERUNIT - WINDSHIELD WIPER, BLADE - FRONT WIPER
989332024-06-26. Other. ENGINE. PUMP – WATER & CONNECTOR - OIL COOLER TUBE
989312024-06-26. Other. ENGINE. PUMP – WATER & CONNECTOR - OIL COOLER TUBE
940062024-06-26. Other. STRUCTURE:BODY. WIPERUNIT - WINDSHIELD WIPER, BLADE - FRONT WIPER
988612024-06-25. Other. STRUCTURE:BODY. WIPERUNIT - WINDSHIELD WIPER, BLADE - FRONT WIPER.
91003602024-06-24. Service bulletin. STRUCTURE:BODY; ELECTRICAL SYSTEM. SWITCH Power Window Before replacing the window switch, please follow these steps: 1.- Review the master window Switch for any physical issue (Button stuck, broke). If not, physical issue is found move to next step 2.- Make sure all the switches harness are properly connected, disconnect the switch and reconnect it, and reverify the issue. If after performing these steps the switch remains faulty, please replace the switch
S2307000002 REV.B2024-06-11. Service bulletin. ENGINE. Suspected Engine Coolant Leak
S1723000037 REV.A2024-06-11. Service bulletin. STRUCTURE:BODY. Freedom Panel Underside Rough And Or White Coating Flaking
23-041-242024-06-07. Service bulletin. STEERING. "Air Trapped in Steering Damper Warranty Extension XF1 A shimmy in the steering wheel after hitting an irregularity on the road surface (symptom is more prevalent in cold temperatures). This bulletin involves replacing the steering damper."
21-039-242024-06-07. Service bulletin. POWER TRAIN. "D Clutch Repair Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs) have been set: ● 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. This bulletin involves replacing the D clutch."
S2307000002 REV.A2024-06-07. Service bulletin. ENGINE. Suspected Engine Coolant Leak
S24230000292024-06-05. Service bulletin. STRUCTURE:BODY. Water Leaking Near Front Bulkhead Or Cowl Area On Driver’s Side.

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