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Service bulletins for the 2021 Jeep Gladiator

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.

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

By type

By component

By trouble code

Bulletins, newest first
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."
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
S258A0000092025-03-07. Service bulletin. ELECTRICAL SYSTEM. Apple CarPlay Does Not Complete The First Initial Wireless Connection.
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.
1032622025-03-04. Service bulletin. STRUCTURE:BODY. HINGE - DOOR
S2108000015 REV.J2025-02-26. Service bulletin. ELECTRICAL SYSTEM. Uconnect Box Require Service Message
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
23-008-252025-02-20. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY. "Headlamp Condensation Clearing Procedure Some customers may report that on occasion, vehicle exterior head lamp assemblies are fogged with a light layer of condensation on the inside of the lenses. "
S228A000005 REV.E2025-02-18. Service bulletin. ELECTRICAL SYSTEM. Uconnect Box Error Message, With Active or Stored Cellular Antenna Open or Short Diagnostic Trouble Codes (DTCs)
S2323000004 REV.A2025-02-14. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY. Defogger Is Not Working. Terminal Detached From The Glass.
S2008000084 REV.C2025-02-14. Service bulletin. ELECTRICAL SYSTEM. Cluster Warning Lamp is on, Service 4WD Message
91004982025-02-12. 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)."
S25210000012025-02-11. Service bulletin. POWER TRAIN. Clutch Overheat, And/Or Service Transmission Illuminated. Diagnostic Trouble Code (DTC) P08A6 – Gear Lever Position Sensor System – Multiple Sensor Correlation, Set Only In 4Low.
1023842025-02-04. Service bulletin. UNKNOWN OR OTHER. EVAPORATOR - AIR CONDITIONING
21-009-25 REV.A2025-02-04. 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. 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"
S1408000384 REV.H2025-01-28. Service bulletin. ELECTRICAL SYSTEM. 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
21-009-252025-01-22. 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. **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."
91004702025-01-21. Service bulletin. FUEL/PROPULSION SYSTEM. FUEL VAPOR CANISTER FILTER EVAP Fuel Filters are to be checked for restriction / blockage on a regular schedule. If the Filter is restricted or blocked then replace the part.
91004912025-01-17. 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.
S1408000384 REV.G2025-01-09. Service bulletin. ELECTRICAL SYSTEM. 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
1018162025-01-03. Service bulletin. UNKNOWN OR OTHER. FILTER - AIR

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