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Service bulletins for the 2018 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.

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

By type

By component

By trouble code

Bulletins, newest first
18048232023-05-30. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. wiTECH Small Leak Verification Test (SLVT) - P0456-EVAP SYSTEM SMALL LEAK
91000102023-05-30. Service bulletin. POWER TRAIN; WHEELS. Axle Assembly Do not replace the Axle for Axle Locker Sensor failure. The parts kit (SENSOR KIT, Axle: 68544629A$) must be used to repair the Axle Locker Sensor on JL/JT equipped with the M210 and M220 Tru-Lok axles (DSE).
2302023a2023-04-17. Service bulletin. VEHICLE SPEED CONTROL. Corrosion on Door, Hood And/or Swing Gate Hinges Corrosion found on the door, hood and/or swing gate hinge(s). This bulletin involves inspecting and replacing any hinge exhibiting corrosion. The replacement hinge is equipped with a Zinc shim (Fig. 1) .Zinc Shim
31001232023-04-17. Service bulletin. 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. NOTE: **Verify current warranty policy to determine if digital imaging pre authorization is required or Pre Approval is required from Regional Office depending on market.** This bulletin involves inspecting and if necessary removing corrosion and refinishing the suspect aluminum panels on the vehicle, hood, door, fenders, hinges, swing gates or liftgate panels.
23020232023-04-17. Service bulletin. VEHICLE SPEED CONTROL. Corrosion on Door hood Swing Gate Hinges Corrosion found on the door, hood and/or swing gate hinge(s). This bulletin involves inspecting and replacing any hinge exhibiting corrosion. The replacement hinge is equipped with a Zinc shim. (Fig. 1) .Zinc Shim
892162023-04-17. Service bulletin. COMMUNICATION: VEHICLE TO INFRASTRUCTURE. International Warranty Bulletin ID-23-03 2018 - 2023 (Current) Jeep Wrangler (JL) and 2020 - 2023 (Current) Jeep Gladiator (JT) - Corrosion Warranty Claim Simplification (Rev. A)
892112023-04-17. Service bulletin. COMMUNICATION:MANUFACTURER TELEMATICS. Warranty Bulletin D-23-04 2018 - 2023 (Current) Jeep Wrangler (JL) and 2020 - 2023 (Current) Jeep Gladiator (JT) - Corrosion Warranty Claim Simplification (Rev. A)
890792023-04-17. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Warranty Bulletin D-23-04 2018 - 2023 (Current) Jeep Wrangler (JL) and 2020 - 2023 (Current) Jeep Gladiator (JT) - Corrosion Warranty Claim Simplification
S18080001522023-04-17. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). CEL (Check Engine Lamp) Illuminates, Recent PCM Replace or Flash Update Performed, Diagnostic Trouble Codes (DTCs) P057B Brake Pedal Position Sensor Circuit Performance, P1572 Brake Pedal Stuck, C0042-54 Brake Pedal Missing Calibration
S23070000012023-04-17. Service bulletin. ENGINE AND ENGINE COOLING. Customer complaint may include a coolant leak, or, a coolant leak is detected during a routine oil change inspection.
S228A0000282023-04-17. Service bulletin. ELECTRICAL SYSTEM. Radio Remained On After Ignition Is Switched Off, Dead Battery From Excessive Radio Current Draw
S14080003842023-04-17. 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
S18190000042023-04-17. Service bulletin. STRUCTURE: UNDERRIDE. Shimmy Felt In Front End
9003357a2023-04-17. Service bulletin. ENGINE AND ENGINE COOLING. ADAPTER, Engine Oil Filter (Pentastar V6) For all 2014MY replace the Oil Filter Adapter (OFA). For any other MY review and follow instructions from the latest STAR Online S1809000007 available on Dealer Connect. Also, consider the following: 1) Remove OFA 2) Replace only the oil inlet O-ring and gaskets (seals kit in SOL above). 3) Re-install the OFA. For 2023MY and beyond use black O-ring. For 2022MY and prior use red O-ring. Note: When replacing OFA, it may be necessary to transfer the Oil Temp/Pressure Sensor from the old OFA to the new OFA.
90033572023-04-17. Service bulletin. ENGINE AND ENGINE COOLING. ADAPTER, Engine Oil Filter (Pentastar V6) For all 2014MY replace the Oil Filter Adapter (OFA). For any other MY (with mileage above 30,000) review and follow instructions from STAR Online S1809000007 REV. C available on Dealer Connect. Also, consider the following: 1) Remove OFA 2) Replace only the oil inlet O-ring and gaskets (seals kit in SOL above). 3) Re-install the OFA. For 2023MY and beyond use black O-ring. For 2022MY and prior use red O-ring. Note: When replacing OFA, it may be necessary to transfer the Oil Temp/Pressure Sensor from the old OFA to the new OFA.
91001342023-04-17. Service bulletin. ENGINE AND ENGINE COOLING. Engine When replacing a GMET4 long block from a 2021 JL or older, you will need to carry over the injector wiring harness from the original engine, and the Fuel pressure sensor should be replaced with part number: 68212572AB.
S23230000042023-02-13. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. Defogger Is Not Working. Terminal Detached From The Glass.
03003222023-01-17. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. Front or Rear Axle Sensor Kit
S22230000542023-01-17. Service bulletin. VISIBILITY:WINDSHIELD WIPER/WASHER. Washer Inoperative, Weak Or No Spray. Low Washer Indicator May Be Illuminated.
S2008000075RevA2023-01-17. Service bulletin. ELECTRICAL SYSTEM. No Start, Start Stop Inoperative, Cluster Message Service Start Stop System
S22080001382023-01-17. Service bulletin. ELECTRICAL SYSTEM; TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. Decreased Remote Start And RKE Range. Tire Pressure Sensors Values Are Not Displayed
S21080001842023-01-17. Service bulletin. VISIBILITY; LANE DEPARTURE. Cluster Warnings To Service SOS System, Service Air Bag System, Blind Spot Unavailable, Or Park Sense Not Available Messages
S21080001722023-01-17. Service bulletin. VEHICLE SPEED CONTROL; ELECTRICAL SYSTEM. Stop Start Feature Is Inoperative, MIL Lamp On, Hood Switch DTC?s
S21080001702023-01-17. Service bulletin. PARKING BRAKE. Head unit button stuck DTC code B14DA-2A
S21080001672023-01-17. Service bulletin. ELECTRICAL SYSTEM. Air Bag Lamp On, DTC B00DF-95 Passenger Restraints Disable Switch-Incorrect Assembly

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