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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
9100498 Rev 32025-05-19. Service bulletin. ENGINE. 3.6L PSU Long Block Misfire DTC codes and/or rough idle and/or valvetrain noise. Refer to SOL # S2509000004. It is also important to confirm that the vehicle being repaired has the latest calibration/software update for oil pump operation mode (high pressure mode) during engine start up. RU, VF, WL & WD vehicles already include the latest oil pump mode in all 25MY and beyond. 24MY service releases are also available. JL & JT were updated as a running change in 24MY and beyond (08/15/24 & 08/19/24 respectively). 24MY service releases available. DT was updated starting 25MY and beyond. If the vehicle to be repaired is a 24MY vehicle with a service release available, please follow the released service procedures to update to the corresponding calibration/software.
S2323000002 REV.A2025-05-19. Service bulletin. ELECTRICAL SYSTEM. "Washer Light On And Will Not Turn Off After Adding Washer Solvent."
1050392025-05-16. Service bulletin. FUEL/PROPULSION SYSTEM. TUBE - FUEL INJECTOR SUPPLY & GASKET - NONE
S2008000103 REV.B2025-05-01. Service bulletin. ENGINE. "No Start, Stop Start Inoperative, Battery or Check Engine Light (CEL) Illuminated"
9100491 Rev 12025-04-16. Service bulletin. STEERING. "Drag Link Long Socket FOR STEERING SHIMMY DIAGNOSIS, PLEASE REFERENCE S1819000004 Rev. Q AND 19 - Steering / Diagnosis and Testing (IN SERVICE LIBRARY). PLEASE REFER 19 - Steering / Linkage / END, Tie Rod / Diagnosis and Testing IF YOU HAVE BALL JOINT LOOSENESS CONCERN. PLEASE DO NOT REPLACE DRAG LINK AND TIE ROD UNLESS PART HAS VISIABLE DAMAGE OR FREE PLAY EXCEEDS SPECS."
21-009-25 REV. B2025-04-08. 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."
S25230000242025-04-04. Service bulletin. STRUCTURE:BODY; ELECTRICAL SYSTEM. Rear Defogger Solder Terminals Detached.
S25090000042025-04-03. Service bulletin. ENGINE. Misfire DTCs, Rough Idle, Valvetrain Noise
S2523000015 REV.A2025-04-03. Service bulletin. STRUCTURE:BODY. "Replacement Exterior Mirror Glass Connector Does Not Match For Blind Spot."
S2523000010 REV.A2025-04-03. Service bulletin. STRUCTURE:BODY. Exterior Rear View Mirror Stained And Will Not Clean.
1037732025-04-01. Service bulletin. UNKNOWN OR OTHER. TOP KIT - SOFT
S2509000001 REV.A2025-04-01. Service bulletin. ENGINE. Engine Rattle Noise
91005342025-03-28. 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."
9100390 Rev 12025-03-19. Service bulletin. POWER TRAIN. "D Clutch Repair Kit 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."
91004712025-03-19. Service bulletin. UNKNOWN OR OTHER. "CANISTER Vapor -If an issue is detected with the Evaporative System Integrity Module (ESIM) Detector and not the Vapor Canister, only replace the ESIM Detector. -Before replacing the Vapor Canister due to Hard to Fill condition, replicate the condition at the Gas Station. If the condition is replicated, then check: 1) for kinked or pinched Clean Air Hose between the ESIM and the EVAP Air Filter; 2) for plugged EVAP Air Filter; 3) for kinked or pinched Vapor Hose between the Fuel Tank and the Vapor Canister. If the EVAP Filter is restricted, the replace the Filter. -Check if the Vapor Canister is flooded with fuel or the Recirculation Line has fuel. If fuel is found in the Vapor Canister or the Recirculation Line, then drop the Fuel Tank, remove the FDM Lock Ring to check if the internal Vapor Line is properly connected to the FDM Port. If the Vapor Line is not connected, then drain the fuel from the internal Vapor Line and properly connect to the FDM. Replace the Vapor Canister and the ESIM."
S2405000001 Rev B2025-03-19. Service bulletin. SERVICE BRAKES. Antilock Brake System (ABS) Module Will Not Initialize After Recent Service Replacement.
1039872025-03-13. Service bulletin. UNKNOWN OR OTHER. ID-23-03 Rev. I 2018 - 2024 Jeep Wrangler (JL) and 2020 - 2024 (Current) Jeep Gladiator (JT) - Corrosion Warranty Claim Simplification
1039862025-03-13. Service bulletin. UNKNOWN OR OTHER. D-23-04 Rev. H 2018 - 2024 Jeep Wrangler (JL) and 2020 - 2024 Jeep Gladiator (JT) - Corrosion Warranty Claim Simplification
S25090000022025-03-07. Service bulletin. ENGINE. Engine Noise
9100498 REV 12025-03-05. Service bulletin. ENGINE. 3.6L PSU Long Block Misfire DTC codes and/or rough idle and/or valvetrain noise. These conditions may be related to worn intake camshaft high lift lobe(s), and intake rocker arm(s) high lift slider. High mileage failure (10,000-60,000 miles). 1. Remove the valve cover(s) per the released service procedures. The use of a stethoscope or DTC specific cylinder misfire codes can help to locate the condition to the left or right bank. 2. Once it has been visually confirmed that there is wear on the high lift intake lobe(s) & rocker arm(s) slider, there is a special service kit for this type of repair which should be used, instead of replacing the complete engine/long block. This kit contains the parts required for the repair (intake cam, rocker arms, sealer and gaskets). Once it is confirmed that the repair will be done using the camshaft/Rocker arms kit, it is also important to confirm that the vehicle being repaired has the latest calibration/software update for oil pump operation mode (high pressure mode) during engine start up. RU, VF, WL & WD vehicles already include the latest oil pump mode in all 25MY and beyond. 24MY service releases are also available. JL & JT were updated as a running change in 24MY and beyond (08/15/24 & 08/19/24 respectively). 24MY service releases available. DT was updated starting 25MY and beyond. If the vehicle to be repaired is a 24MY vehicle with a service release available, please follow the released service procedures to update to the corresponding calibration/software update.
S25230000152025-03-05. Service bulletin. STRUCTURE:BODY. Replacement Exterior Mirror Glass Connector Does Not Match For Blind Spot.
1032922025-03-04. Service bulletin. ELECTRICAL SYSTEM. MODULE - BATTERY HEATER
S25230000102025-02-26. Service bulletin. STRUCTURE:BODY. Exterior Rear View Mirror Stained And Will Not Clean.
S25090000012025-02-22. Service bulletin. ENGINE. Engine Rattle Noise
23-007-252025-02-20. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY. "Rear Defroster Inoperative Customers may experience one or more of the following: ● Rear window is not defrosting. ● The rear window glass left or right side defrost solder terminal is detached from the defrost grid. This bulletin involves replacing the Electric Backlite (EBL) wire connector repair and re-securing the electrical connector(s) to the rear window"

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