2026 Jeep Wrangler technical service bulletins
158 technical service bulletins and manufacturer communications cover the 2026 Jeep Wrangler, including 4 warranty extensions.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- D-25-15
- ID-25-11
- Warranty Newsletter – Volume 12, Issue 2
- FCA Caribbean Warranty Newsletter – Volume 12, Issue 2
- Cover Spare Tire Rewind Wheel Covers
- Steel Pan Assembly Oil Leaks seen coming from transmission oil pan gasket
- 6-Speed Manual Shifter Cable Misaligned Customers may experience the following: SYMPTOM: ● Rough shifting...
- LED Tail Lamp Side Marker Plastic Cracking Customers may comment on the following: SYMPTOM: ● One or both...
- Fuse block - pwr distribution a/c
- Flash: Drivetrain Control Module (DTCM) Updates Customers must experience a Malfunction Indicator Lamp...
- Windshield Wiper Blade Flipped Customers must experience one or more of the following: SYMPTOM: ●...
- The Customer May Complain About a Popping Noise, Grinding Noise, or an Intermittent No Reverse or Forward...
- Steel Hood Vent Gap Customers may comment on one or more of the following: SYMPTOM: ● Gap between Steel...
- Transmission kit - with torque converter
- Socket - drag link inner
- Powertrain Control Module (PCM) Bracket Not Properly Secured Customers may comment on the following:...
- MIL-On and/or Engine Oil Leak
- Shifter If shifter is having trouble shifting between 1st and 2nd gear, then adjust cables as described in...
- Steel Hood Vent Gap Customers may comment on one or more of the following: SYMPTOM: ● Gap between Steel...
- Passive Entry O/S Dr Handle Prior to replacing an inoperative passive entry door handle, perform Star...
- Radio Over The Air Update to U43.17 R1H Software Version (FOTA) Customers may experience one or more of...
- Water Leak In Rear Cargo Area Customers may comment on the following: SYMPTOM: ● Water leak in the rear...
- Cover - cylinder head
- Pad - instrument panel
- Display Exchange part has been superseded
- Rear Driveshaft Out Of Balance Customers may comment on one or more of the following: SYMPTOM: ● Vehicle...
- Switchbank 4 gang The customer will notice either one or two of the following conditions: 1. Fuel Door is...
- Customer Satisfaction Notification 56D – Antilock Brake System Control Module Software
- DCSD Before replacing this part for a Blank screen, screen flickering or screen inoperative concern,...
- Spark plug - none
- Core – heater
- Instrument Panel Cluster (IPC) and Radio Compass Display has Dashes (--)
- Fuel Delivery Module Before replacing the fuel module for DTCs P0461 and P062A and other not start, long...
- Enclosure - speaker
- Lower Left Door Pocket Contacting Customers may experience the following: SYMPTOM: ● Lower driver door...
- Thermostat – none.
- Throttle body – none
- Motor - blower with wheel
- Wiring – injector
- Bolt - hex flange head
- Radio/ETM is Adding Approximately 27mA Draw to Vehicle When in Logistics Mode
- Heater - electric coolant
- Prior to replacing an inoperative passive entry door handle, perform Star Online S2623000040.
- Passive Entry Exterior Door Handle Inoperative When Touched To Lock And Or Unlock.
- Motor and linkage - windshield wiper
- Flash: Driver Assistant System Module (DASM) Updates IMPORTANT!
- Switch - steering wheel
- Radio Message "Power Surge On USB Detected" Customers may comment on the following: ● The radio displays...
- Sensor – knock
- Instrument Panel Cluster (IPC) Flicker Turn By Turn The
- Radio Volume Jumping Up To Max Volume After Radio Wake Up
- Wind Noise From Hard Top Freedom Panels Near Rear View Mirror While Driving.
- Radio Remains On After Ignition Off
- Rear Defroster Inoperative Customers may experience one or more of the following: SYMPTOM: ● Rear window...
- Universal Garage Door Opener (UGDO) Inoperable Technicians may or may not find the following Diagnostic...
- Flash: Comfort Seat Wheel Module (CSWM) Update Customers may experience the following: SYMPTOM: ● Heated...
- Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp...
- Seat EZ Entry Inoperable Or Doesn’t Slide Forward.
- Flash: Driver Assistant System Module (DASM) Updates Customers must experience a Malfunction Indicator...
- The vehicle will exhibit a service transmission/check engine warning indicator for the following...
- Disengaging Stabilizer Bar Front [SHG] 1. Follow procedure in SOL s2602000001 before replacing Smart...
- Service Electric Sway Bar Lamp On In Cluster
- Active Diagnostic Trouble Code (DTC) B1A10-00, B1A11-00, B1A12- 00, B1A13-00-, B1A14-00, B1A15-00,...
- Remote Keyless Entry, Passive Entry, Remote Start Inoperative or a Cluster Message “Keyfob Not Detected”
- Windshield Wiper Blade Maintenance Customers may experience one or more of the following: SYMPTOM: ● Wiper...
- Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor (IBS) State of Charge (SOC)...
- 2 nd Row Center Seatbelt Jammed Or Stuck
- Glove box - instrument panel
- Panel - front seat back
- Handle - inside release
- Service transmission/check engine warning indicator for the 850RE, 8HP50, 8HP70, 8HP75, 8HP75-PHEV...
- A suspected leak may be noticed on the front or rear axle pinion seal.
- Door Hem Aluminum Body Panel Corrosion Repair Customers may experience the following: SYMPTOM: ● Filifom...
- Harman R1H Uconnect 5 Radio Software Flash Error Codes
- Uconnect Box Requires Service, Please Visit an Authorized Dealer Message on Display Message With DTCs...
- Horn Sound Is Weak, Off Tone, Inoperative, Or Intermittent.
- Universal Garage Door Opener Prior to replacing the UGDO or sun visor, call HomeLink® Customer Care at...
- Power Top Switch Unresponsive, Full Retractable Sky Roof Does Not Open or Close
- Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor (IBS) State of Charge (SOC)...
- Washer Fluid Warning Lamp Illuminated When Reservoir Is Full
- Do not replace multiple shocks unless all are verified to be defective.
- GMET4 dohc
- Caliper assembly - disc brake
- Switch - lumbar control
- Hemi Water Pump Coolant Leak Inspection
- Seal - roof rail
- Do not replace multiple shocks unless all are verified to be defective.
- Water Pump & Chain Case Cover
- Speaker Diagnostic Procedure Rattle, buzz and squeak coming from specific speakers.
- Tie Rod and Draglink Adjustment Clamp Fasteners Not Fully Secured Customers may comment on the following:...
- Axle seal We have observed that some JL/JT rear axle shafts are leaking oil
- Center stack – none
- Door - fuel fill
- Issue Description: In JL/JT vehicles, many dealers and customers are not fully aware of the correct way to...
- CEL (Check Engine Lamp)/ Brake lamp Illuminated
- Telematics Box Module (TBM) Backup Battery Replacement When DTC B1E21 Is Present Technicians may...
- Verify "Z" part number availability
- If the DTC B1E21-96: Backup Battery-Component Internal Failure is active and
- Issue Description In JL/JT vehicles, the front carpets have a perforated section below the drain plug...
- Telematics Box Module (TBM) Backup Battery Replacement When DTC B1E21 Is Present echnicians may experience...
- Shimmy Felt In Front End
- Microphone - audio
- Diagnostic Trouble Code (DTC) B15A1-00 Media Port Connection 1 Connection Found Set.
- Switch - power window
- Pad kit - rear disc brake, front disc brake
- Detector - evaporative system integrity module
- 1.Identify Customer Concern Check for small traces of coolant near the water pump, especially around the...
- Intermittent Uconnect Box Requires Service Message
- ESC Light Illuminated
- Engine Oil Leak
- Radio (ETM) Is Always Setting Stored DTC B15A1-00 Media Port 1 Connection
- Module - steering control & column
- Flash: Driver Assistant System Module (DASM) Updates Customers must experience a Malfunction Indicator...
- Power top /sky one touch switch falls out of the bezel or is pushed inside it or won't stay in place
- Data collection required for all 2020-2026MY vehicles with 3.6L PSU engines during any of their first 3...
- Customer complaint may include a Mil On/Check Engine Lamp On and Electronic Throttle Control (ETC) Lamp...
- Exterior Front Lamps Condensation Clearing Procedure Some customers may report that on occasion vehicle...
- Switch - clutch starter interlock & master cylinder assembly - clutch
- Shock And Strut Diagnosis And Replacement Guidelines Leaking, noisy, or weak shocks or struts.
- False fails on PCR, DBSM and PDCs Stuck Closed or open diagnostics, DTC P2AF5 or P2AF6, leading to NTF and...
- Module - engine controller
- Valve - check
- Rail - rear
- Shim
- We have observed that some JL/JT rear axle shafts are leaking oil
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