2026 Jeep Wrangler Technical Service Bulletins

156 technical service bulletins (TSBs) are on record for the 2026 Jeep Wrangler. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 11029686Feb 16, 2026Body and structure, Electrical system. Universal Garage Door Opener Prior to replacing the UGDO or sun visor, call HomeLink® Customer Care at 1-800-355-3515 for a proper evaluation of the issue. If this does not correct the issue, please follow the steps in SOL: S2508000039
• 11028904Feb 14, 2026Electrical 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
• 11028900Feb 14, 2026Electrical system, Body and structure. Power Top Switch Unresponsive, Full Retractable Sky Roof Does Not Open or Close
• 11028894Feb 13, 2026Electrical system. Washer Fluid Warning Lamp Illuminated When Reservoir Is Full
• 11028893Feb 12, 2026Engine. GMET4 DOHC Water Pump Coolant Leak Inspection
• 11028885Feb 12, 2026Suspension. DO NOT REPLACE MULTIPLE SHOCKS UNLESS ALL ARE VERIFIED TO BE DEFECTIVE. Reference Master Tech article released in January 2026 for updated diagnostic and testing procedures. Master Tech link: https: //mastertech.playerlync.net/app/player/p2tQVm
• 11028889Feb 11, 2026Brakes. Caliper assembly - disc brake
• 11028780Feb 3, 2026Electrical system. Switch - lumbar control
• 11028742Feb 2, 2026Engine. Hemi Water Pump Coolant Leak Inspection
• 11028245Jan 28, 2026Body and structure. SEAL - ROOF RAIL
• 11028244Jan 28, 2026Body and structure. SEAL - ROOF RAIL
• 11028252Jan 26, 2026Suspension. DO NOT REPLACE MULTIPLE SHOCKS UNLESS ALL ARE VERIFIED TO BE DEFECTIVE. Reference Master Tech article released in December 2025 for updated diagnostic and testing procedures. Master Tech link: https: //mastertech.playerlync.net/app/player/p2tQVm
• 11027837Jan 21, 2026Engine. Water Pump & Chain Case Cover
• 11027836Jan 21, 2026Engine. Water Pump & Chain Case Cover
• 11027727Jan 16, 2026Electrical system. Speaker Diagnostic Procedure Rattle, buzz and squeak coming from specific speakers.
• 11027637Jan 9, 2026Suspension. Tie Rod and Draglink Adjustment Clamp Fasteners Not Fully Secured Customers may comment on the following: ● Degrading steering alignment. This bulletin involves inspecting and possibly tightening tie rod and drag link adjustment clamp fasteners.
• 11027644Jan 7, 2026Transmission and drivetrain. 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.
• 11027647Jan 6, 2026Body and structure. Center stack – none
• 11027240Dec 31, 2025Steering. Tie Rod and Draglink Adjustment Clamp Fasteners Not Fully Secured Customers may comment on the following: ● Degrading steering alignment. This bulletin involves inspecting and possibly tightening tie rod and drag link adjustment clamp fasteners.
• 11026817Dec 19, 2025Fuel system. DOOR - FUEL FILL
• 11026816Dec 19, 2025Fuel system. DOOR - FUEL FILL
• 11026802Dec 15, 2025Body and structure. Issue Description: In JL/JT vehicles, many dealers and customers are not fully aware of the correct way to install the Mopar all-weather floor mats, especially the front mats. The all-weather mats are installed without removing the slit/perforation portion of the front carpet, which blocks the drain port on the all-weather mats completely and does not allow water/any liquid to get drained out of the vehicle through…
• 11026677Dec 12, 2025Electrical system. Telematics Box Module (TBM) Backup Battery Replacement When DTC B1E21 Is Present Technicians may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set the following Diagnostic Trouble Code (DTC): ● B1E21-96 - Backup Battery Component Internal Failure.
• 11026643Dec 12, 2025Electrical system. CEL (Check Engine Lamp)/ Brake lamp Illuminated. Diagnostic Trouble Code (DTC) P083F- Clutch Pedal Position Sensor Performance.
• 11026661Dec 10, 2025Body and structure. Issue Description In JL/JT vehicles, the front carpets have a perforated section below the drain plug instead of a fully punched-out hole. This causes several problems: . Dealers often install all-weather mats without removing the carpet cutout, which completely blocks the drain. . Missing drain plug claims occur because the plug is not clearly visible. . Customers find it difficult to locate and access the drain…
• 11026660Dec 10, 2025Electrical system. If the DTC B1E21-96: Backup Battery-Component Internal Failure is active and customer states Popup message will show at the radio: "Battery of Uconnect Box requires service. SOS call and related functions may be unavailable. Please visit an authorized dealer." PLEASE do not Replace the TBM module, only replace TBM Internal Battery (inside Telematics Box Module) and order PN68493347
• 11026652Dec 10, 2025Electrical system. Verify "Z" part number availability. Order a "Z" part number for all Exchange Orders: Warranty, Mopar, Customer pay and Service contract. Order"68" part number for New unsold units only
• 11026588Dec 5, 2025Electrical system. Microphone - audio
• 11026558Dec 5, 2025Steering, Suspension, Wheels. Shimmy Felt In Front End
• 11026549Dec 5, 2025Electrical system. Telematics Box Module (TBM) Backup Battery Replacement When DTC B1E21 Is Present echnicians may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set the following Diagnostic Trouble Code (DTC): ● B1E21-96 - Backup Battery Component Internal Failure
• 11026585Dec 4, 2025Electrical system. Microphone - audio
• 11026552Dec 3, 2025Electrical system. Diagnostic Trouble Code (DTC) B15A1-00 Media Port Connection 1 Connection Found Set.
• 11026568Dec 1, 2025Electrical system, Body and structure. Switch - power window
• 11025727Nov 18, 2025Brakes. Pad kit - rear disc brake, front disc brake
• 11025724Nov 17, 2025Brakes. Pad kit - rear disc brake, front disc brake
• 11025723Nov 13, 2025Other or unknown. Detector - evaporative system integrity module
• 11025722Nov 13, 2025Other or unknown. Detector - evaporative system integrity module
• 11025520Nov 7, 2025Engine. 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…
• 11025512Nov 6, 2025Electrical system. Intermittent Uconnect Box Requires Service Message. TBM Setting Stored Or Pending DTCs B22A9, B1560, B1561, B1562
• 11025508Nov 3, 2025Brakes. ESC Light Illuminated. DTC C1252-92 VACUUM PUMP CONTROL CIRCUIT And Or P258B ELECTRONIC VACUUM PUMP PERFORMANCE
• 11025028Oct 21, 2025Engine. Engine Oil Leak
• 11024617Oct 17, 2025Electrical system. Radio (ETM) Is Always Setting Stored DTC B15A1-00 Media Port 1 Connection
• 11024323Oct 9, 2025Steering. Module - steering control & column
• 11024053Oct 2, 2025Electrical system. Flash: Driver Assistant System Module (DASM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● C2206-00 - Vehicle Configuration Mismatch. This bulletin involves inspecting and reprogramming of the DASM with the latest available software.
• 11024034Sep 29, 2025Body and structure. Power top /sky one touch switch falls out of the bezel or is pushed inside it or won't stay in place. Or if there's miscalibration in the power top. If the switch has no physical damage, is not broken or separated, but still doesn't stay in place, verify that the bezel brackets that hold it in place are broken and are the cause of the problem. If the bezel is broken, and the switch is not, replace only the bezel…
• 11023618Sep 24, 2025Engine. Data collection required for all 2020-2026MY vehicles with 3.6L PSU engines during any of their first 3 engine oil changes. This data collection is applicable to all vehicle with engines with sales codes: ERG, ERC, EH3 and ERF. To assist with monitoring and quality improvement of the 3.6L engine, every time a vehicle comes for any of the first 3 oil changes, please use wiTECH to record the total engine idle time…
• 11023331Sep 19, 2025Electrical system. Customer complaint may include a Mil On/Check Engine Lamp On and Electronic Throttle Control (ETC) Lamp On. There may also be associated driveability issues. Upon further investigation, the following fault codes may be found in the PCM:
• 11023612Sep 18, 2025Brakes. Switch - clutch starter interlock & master cylinder assembly - clutch
• 11023326Sep 18, 2025Body and structure. Exterior Front Lamps Condensation Clearing Procedure *Some customers may report that on occasion vehicle exterior front lamps (headlamps, fog lamps, grille lamps, logo lamps or signature lamps) assemblies are fogged with a light layer of condensation on the inside of the lenses*
• 11023168Sep 12, 2025Suspension. Shock And Strut Diagnosis And Replacement Guidelines Leaking, noisy, or weak shocks or struts.

← All problems reported for the 2026 Jeep Wrangler