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.

• 10241044Jun 28, 2023Steering, Other or unknown. FCA Caribbean Warranty Bulletin ID-23-10 (XF1) Steering Damper - Select 2018 - 2020 Jeep Wrangler (JL) and 2020 Jeep Gladiator (JT)
• 10241043Jun 28, 2023Other or unknown, Steering. Warranty Bulletin D-23-09 (XF1) Steering Damper - Select 2018 - 2020 Jeep Wrangler (JL) and 2020 Jeep Gladiator (JT)
• 10241022Jun 18, 2023Engine cooling, Transmission and drivetrain. Customer complaint may include a MIL-on or check engine lamp on condition.
• 10241056Jun 16, 2023Equipment, Electrical system. Customer Satisfaction Notification ZD7 - Radio Software Update
• 10241080Jun 10, 2023Electrical system. Flash: Hybrid Control Processor (HCP) Updates The customer may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs): ? **P0C01-00 - Drive Motor A Current High. ? P0C05-00 - Drive Motor A Phase U-V-W Circuit/Open.** ? P0507 - Idle Speed Performance Higher Than Expected. **In addition the customer…
• 10240039May 26, 2023Body and structure. Gate bumber falls.
• 10240002May 24, 2023Electrical system, Equipment. Customer Satisfaction Notification ZD7 - Radio Software Update
• 10240035May 21, 2023Engine cooling. MIL lamp-on. Engine noise, rattle. Misfire or rough running.
• 10240004May 18, 2023Equipment. SOS, Assistance Calls Not Successful After Radio Replacement or Radio Software Update
• 10239957May 18, 2023Engine cooling. Water Quality When Mixed With Engine Coolant
• 10239855May 2, 2023Engine cooling. PSU right intake camshaft Case 1) If you are to flash the PSU (Pentastar Upgrade Engine) PCM due to P0300 code presence, only AB or previous LEVEL PSU right intake camshaft PN 05047913AA or AB (old version) should be replaced. If the engine is equipped with the AC/AD LEVEL PSU right intake camshaft PN 05047913AC or AD (new version), camshaft should NOT be replaced.
• 10239854May 2, 2023Back-over prevention (rear camera). ROCKER ARM ASSY - ROLLER ROCKER Case 1.- Before replacing the intake or exhaust rocker arms due to an abnormal ticking noise, please check that the INTAKE Hydraulic Lash Adjusters are not "collapsed". If a collapsed INTAKE HLA is found, replace all INTAKE HLAs on the suspect cylinder head (no need to replace rocker arms). The noise can occur at low or high RPMs, and at low or high temperatures. There are no…
• 10236933Apr 15, 2023Engine cooling, Equipment. wiTECH Small Leak Verification Test (SLVT) - P0456-EVAP SYSTEM SMALL LEAK
• 10236800Apr 6, 2023Transmission and drivetrain, 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).
• 10247965Feb 28, 2023Brakes. 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
• 10234438Feb 28, 2023Transmission and drivetrain. 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
• 10247963Feb 24, 2023Engine cooling. Customer complaint may include a coolant leak, or, a coolant leak is detected during a routine oil change inspection.
• 10234436Feb 24, 2023Engine cooling. Customer complaint may include a coolant leak, or, a coolant leak is detected during a routine oil change inspection.
• 10247906Feb 22, 2023Engine 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…
• 10234379Feb 22, 2023Engine 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…
• 10247974Feb 15, 2023Equipment. 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)
• 10247972Feb 15, 2023Equipment. Warranty Bulletin D-23-04 2018 - 2023 (Current) Jeep Wrangler (JL) and 2020 - 2023 (Current) Jeep Gladiator (JT) - Corrosion Warranty Claim Simplification (Rev. A)
• 10247953Feb 15, 2023Electrical system. Radio Remained On After Ignition Is Switched Off, Dead Battery From Excessive Radio Current Draw
• 10234447Feb 15, 2023Other or unknown. 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)
• 10234445Feb 15, 2023Other or unknown. Warranty Bulletin D-23-04 2018 - 2023 (Current) Jeep Wrangler (JL) and 2020 - 2023 (Current) Jeep Gladiator (JT) - Corrosion Warranty Claim Simplification (Rev. A)
• 10234424Feb 15, 2023Electrical system. Radio Remained On After Ignition Is Switched Off, Dead Battery From Excessive Radio Current Draw
• 10247905Feb 14, 2023Back-over prevention (rear camera). 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…
• 10234420Feb 14, 2023Electrical 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
• 10234378Feb 14, 2023Engine 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…
• 10247903Feb 13, 2023Brakes, Fuel system, Back-over prevention (rear camera). 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.
• 10234376Feb 13, 2023Engine 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.
• 10248006Feb 8, 2023Vehicle 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
• 10247970Feb 8, 2023Equipment. Warranty Bulletin D-23-04 2018 - 2023 (Current) Jeep Wrangler (JL) and 2020 - 2023 (Current) Jeep Gladiator (JT) - Corrosion Warranty Claim Simplification
• 10247942Feb 8, 2023Visibility (wipers, defrost, mirrors). Rear Wiper Does Not Turn On
• 10234479Feb 8, 2023Vehicle 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
• 10234443Feb 8, 2023Equipment. Warranty Bulletin D-23-04 2018 - 2023 (Current) Jeep Wrangler (JL) and 2020 - 2023 (Current) Jeep Gladiator (JT) - Corrosion Warranty Claim Simplification
• 10247995Feb 3, 2023Body 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.
• 10234468Feb 3, 2023Body 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.
• 10247935Feb 2, 2023Body and structure. Shimmy Felt In Front End
• 10234408Feb 2, 2023Body and structure. Shimmy Felt In Front End
• 10247984Feb 1, 2023Vehicle 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
• 10234457Feb 1, 2023Vehicle 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
• 10231714Jan 7, 2023Visibility (wipers, defrost, mirrors). Defogger Is Not Working. Terminal Detached From The Glass.
• 10229816Dec 16, 2022Back-over prevention (rear camera), Steering, Equipment. UAQ and UCQ Radio Enhancements Customers may experience one or more of the following: ? **Wi-Fi hotspot connection failure. ? Speaker popping, crackle noise during Voice Recognition (VR) response and navigation guidance. ? Mobile Station Integrated Services Digital Network (MSISDN) missing from radio, no connected services working.** ? Intermittent, black radio display screen (Rear View Camera (RVC) not affected)…
• 10229810Dec 15, 2022Body 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. NOTE: Digital imaging pre authorization is required for Smart Warranty Base dealers or Pre Approval is required from Regional Office depending on market.
• 10227721Oct 26, 2022Electrical system, Equipment. Radio Remained On After Ignition Is Switched Off, Dead Battery from Excessive Radio Current Draw
• 10227712Oct 13, 2022Brakes. Decreased Remote Start And RKE Range. Tire Pressure Sensors Values Are Not Displayed
• 10227734Oct 1, 2022Engine cooling. Spark Knock/Engine Symptoms This bulletin involves cleaning the piston heads and cylinder head combustion chambersto resolve a spark knock condition being caused by oil intrusion through the PCV system. The customer may describe a knocking or pinging noise coming from the engine upon acceleration.
• 10226046Sep 30, 2022Transmission and drivetrain, Electrical system. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. The customer may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more ofthe following DTCs: P0335 - Crankshaft Position Sensor Circuit. P0339 - Crankshaft Position Sensor Intermittent. P2C90 - Crankcase Ventilation…
• 10225955Sep 28, 2022Engine cooling. PUMP, Water (Water Pump Inlet Tube) For concern of leak at water pump, please check and re-torque water pump inlet tube fasteners as described in Service Bulletin 07-001-20 before replacing the water pump. Please also check the gasket from the block to the water pump. This gasket can be serviced separately.

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