2018 Jeep Wrangler Technical Service Bulletins

717 technical service bulletins (TSBs) are on record for the 2018 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.

• 11026818Dec 19, 2025Body and structure. Bezel - instrument panel
• 11026664Dec 11, 2025Electrical system. Check Engine/Malfunction Indicator Lamp 16C
• 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
• 11026558Dec 5, 2025Steering, Suspension, Wheels. Shimmy Felt In Front End
• 11026568Dec 1, 2025Electrical system, Body and structure. Switch - power window
• 11025740Nov 19, 2025Other or unknown. ID-25-11 Rev. A Aluminum Filiform Corrosion Warranty Policy and Vehicle Digital Imaging (VDI) Pre-Approval Process - ALL Vehicles
• 11025739Nov 19, 2025Other or unknown. D-25-15 Rev. A Aluminum Filiform Corrosion Warranty Policy and Vehicle Digital Imaging (VDI) Pre-Approval Process - ALL Vehicles
• 11025727Nov 18, 2025Brakes. Pad kit - rear disc brake, front disc brake
• 11025724Nov 17, 2025Brakes. Pad kit - rear disc brake, front disc brake
• 11025028Oct 21, 2025Engine. Engine Oil Leak
• 11024323Oct 9, 2025Steering. Module - steering control & column
• 11024035Oct 2, 2025Engine. Before replacing any parts please refer to SOL S2518000008 if it applies to the vehicle you are working on based on a VIN search in Service Library. Before replacing this part due to Engine Light On with P1CEA (Boost Side EVAP Purge System Performance), check for: 1) Improperly connected or kinked/pinched Purge Hoses at the Ejector Tees on the Air Box or Duct. 2) Improperly connected or kinked/pinched Purge Hose at…
• 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
• 11022011Aug 16, 2025Body and structure. 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.
• 11022027Aug 15, 2025Other or unknown. Verify Reman part number availability. Order the "R" part number for all orders: Warranty, Mopar, customer pay and service contract. Order "68" part number for New unsold units only.
• 11022026Aug 15, 2025Other or unknown. Verify Reman part number availability. Order the "R" part number for all orders: Warranty, Mopar, customer pay and service contract. Order "68" part number for New unsold units only.
• 11022012Aug 14, 2025Body and structure. 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.
• 11022003Aug 13, 2025Body and structure. 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
• 11021043Jul 26, 2025Engine. Engine Rattle Noise
• 11020600Jul 4, 2025Electrical system. Decreased Remote Start And RKE Range. Tire Pressure Sensors Values Are Not Displayed
• 11020608Jul 3, 2025Engine. When replacing a camshaft and parts kit (P/N 68661146xx and/or 68661147xx), it is NOT necessary to order the roller-finger followers (rocker arms) separately, as these are included in the camshaft parts kit.
• 11020090Jun 24, 2025Body and structure. RAIL - REAR
• 11019773Jun 18, 2025Engine. ADJUSTER Valve Lash Customer's complaint may include a ticking noise coming from the engine. Technician's observations can refer to spongy or stuck hydraulic lash adjusters. Exhaust lash adjusters found with a "spongy" condition (compressible plunger) leading to the assumption of being defective/malfunctioning. EXHAUST lash adjusters are designed to be COMPRESSIBLE by hand.
• 11019618Jun 13, 2025Engine. "Spark Knock/Engine Symptoms Customers may experience the following: ● Knocking or pinging noise coming from the engine upon acceleration. This bulletin involves cleaning the piston heads and cylinder head combustion chambers to resolve a spark knock condition being caused by oil intrusion through the PCV system."
• 11018609May 28, 2025Electrical system. Power Top Switch Unresponsive, Full Retractable Sky Roof Does Not Open or Close Customer Complaint/Technician Observation: The owner complains the top system is inoperative and that by pressing the switches the Power Top does not make any movement. Technician may or may not have Diagnostic Trouble Codes (DTCs). Repair Procedure: Perform the power top calibration prior to any switch or parts replacement.
• 11018637May 20, 2025Body and structure. Backlite Heated Liftgate Glass Assembly: For rear window defrost inoperative concerns where heated glass electrical tab has become detached, it is not necessary to replace the glass assembly. For loose or detached electrical tab, refer to TSB 23-007-25 for repair procedures on reattaching a loose tab. For burned or discolored gridlines on hard tops, DO NOT change the complete Flipper glass assembly. This…
• 11018482May 18, 2025Engine. "Misfire Diagnostic Trouble Codes (DTCs), Rough Idle, Valvetrain Noise Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0301 - Cylinder 1 Misfire. ● P0302 - Cylinder 2 Misfire. ● P0303 - Cylinder 3 Misfire. ● P0304 - Cylinder 4 Misfire. ● P0305 - Cylinder 5 Misfire. ● P0306 - Cylinder 6 Misfire…
• 11018447May 16, 2025Electrical system. "Washer Light On And Will Not Turn Off After Adding Washer Solvent."
• 11018500May 15, 2025Fuel system. Tube - fuel injector supply & gasket - none
• 11018408May 14, 2025Fuel system. Tube - fuel injector supply & gasket - none
• 11018452May 12, 2025Transmission and drivetrain. Transmission "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, visible ""glitter"" or debris in the pan and fluid color/condition/odor is NOT an indicator of transmission health and should not be used as the…
• 11018451May 12, 2025Engine. 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.
• 11017401Apr 29, 2025Engine. "No Start, Stop Start Inoperative, Battery or Check Engine Light (CEL) Illuminated"
• 11016617Apr 4, 2025Electrical system, Body and structure. Rear Defogger Solder Terminals Detached.
• 11017445Apr 2, 2025Other or unknown. Actuator - a/c and heater
• 11017435Apr 2, 2025Other or unknown. Actuator - a/c and heater
• 11016439Apr 2, 2025Engine. Misfire DTCs, Rough Idle, Valvetrain Noise
• 11016431Apr 2, 2025Body and structure. "Replacement Exterior Mirror Glass Connector Does Not Match For Blind Spot."
• 11016424Apr 2, 2025Body and structure. Exterior Rear View Mirror Stained And Will Not Clean.
• 11016107Apr 1, 2025Engine. Engine Rattle Noise
• 11016061Mar 28, 2025Transmission and drivetrain. "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…
• 11016136Mar 18, 2025Other or unknown. TOP KIT - SOFT
• 11015810Mar 17, 2025Other or unknown. "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.
• 11015797Mar 17, 2025Brakes. Antilock Brake System (ABS) Module Will Not Initialize After Recent Service Replacement.
• 11015598Mar 12, 2025Other or unknown. ID-23-03 Rev. I 2018 - 2024 Jeep Wrangler (JL) and 2020 - 2024 (Current) Jeep Gladiator (JT) - Corrosion Warranty Claim Simplification
• 11015591Mar 12, 2025Other or unknown. D-23-04 Rev. H 2018 - 2024 Jeep Wrangler (JL) and 2020 - 2024 Jeep Gladiator (JT) - Corrosion Warranty Claim Simplification
• 11015297Mar 4, 2025Engine. Engine Noise
• 11015033Feb 28, 2025Body and structure. Replacement Exterior Mirror Glass Connector Does Not Match For Blind Spot.
• 11015065Feb 25, 2025Engine. 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…

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