2020 Jeep Wrangler Technical Service Bulletins

1,020 technical service bulletins (TSBs) are on record for the 2020 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.

• 10215858Jan 12, 2021Equipment, Visibility (wipers, defrost, mirrors). Exterior Rearview Mirrors Inoperative And Or Intermittent Operation.
• 10187037Jan 12, 2021Visibility (wipers, defrost, mirrors). Exterior Rearview Mirrors Inoperative And Or Intermittent Operation.
• 10215929Jan 9, 2021Steering, Transmission and drivetrain. Improved Steering Feel This bulletin involves replacing the steering gear and updating the Electric Hydraulic Power Steering (EHPS) software, checking sales codes and performing vehicle reconfig, if required.Review and perform all steps necessary to complete the Repair Procedure. If any steps are missed, this may lead to undesired handling characteristics. The customer may describe one or more of the…
• 10187108Jan 9, 2021Steering, Transmission and drivetrain. Improved Steering Feel This bulletin involves replacing the steering gear and updating the Electric Hydraulic Power Steering (EHPS) software, checking sales codes and performing vehicle reconfig, if required.Review and perform all steps necessary to complete the Repair Procedure. If any steps are missed, this may lead to undesired handling characteristics. The customer may describe one or more of the…
• 10215926Jan 8, 2021Visibility (wipers, defrost, mirrors), Equipment. Rear Glass Prop Rod Failure This bulletin involves inspecting the rear backlite prop rod Julian dates and possibly replacing both prop rods. These vehicles may have been built with the following symptom/condition:Rear glass fails to stay in the open position (prop rods will not support glass).
• 10187105Jan 8, 2021Visibility (wipers, defrost, mirrors). Rear Glass Prop Rod Failure This bulletin involves inspecting the rear backlite prop rod Julian dates and possibly replacing both prop rods. These vehicles may have been built with the following symptom/condition:Rear glass fails to stay in the open position (prop rods will not support glass).
• 10187656Dec 17, 2020Fuel system, Equipment. Excessive Diesel Exhaust Fluid (DEF) Consumption.
• 10187655Dec 17, 2020Electrical system, Transmission and drivetrain. Diagnostic Trouble Code (DTC) P065A ? Generator System Performance, Additional Information.
• 10187653Dec 17, 2020Engine, Electrical system. Check Engine Light Illuminated, Stop Start Function Inoperative
• 10187705Dec 11, 2020Transmission and drivetrain, Electrical system, Engine. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find one or more of the following Diagnostic Trouble Codes (DTCs) have been set:P0087-00 - Fuel Rail Pressure Too Low (with rapid apply and release of accelerator pedal)…
• 10187660Dec 9, 2020Equipment, Electrical system. Warranty Bulletin D-20-23 Part Order Restiction Program - 48V Power Pack Unit (PPU) - Select 2018-2020 Jeep Wrangler (JL) and 2019-2021 RAM (DT)
• 10187676Dec 3, 2020Steering, Equipment, Electrical system. Improved Steering Feel This bulletin involves replacing the steering gear and updating the Electric Hydraulic Power Steering (EHPS) software, checking sales codes and performing vehicle reconfig, if required.Review and perform all steps necessary to complete the Repair Procedure. If any steps are missed this may lead to undesired handling characteristics. The customer may describe one or more of the…
• 10224003Nov 25, 2020Transmission and drivetrain. Turbocharger If the turbo is being replaced for an oil leak concern, please inspect the area around the turbo oil feed o-ring for a leak. The o-ring is serviced separately and complete turbo replacement may not be necessary.
• 10184680Nov 25, 2020Engine cooling, Equipment. Turbocharger If the turbo is being replaced for an oil leak concern, please inspect the area around the turbo oil feed o-ring for a leak. The o-ring is serviced separately and complete turbo replacement may not be necessary.
• 10184380Nov 25, 2020Equipment, Engine cooling. Turbocharger If the turbo is being replaced for an oil leak concern, please inspect the area around the turbo oil feed o-ring for a leak. The o-ring is serviced separately and complete turbo replacement may not be necessary.
• 10184725Nov 21, 2020Equipment, Electrical system. (Rev. A) Audio Mute On All Sources Except AM
• 10184425Nov 21, 2020Equipment. (Rev. A) Audio Mute On All Sources Except AM
• 10224092Nov 19, 2020Transmission and drivetrain, Steering. Improved Steering Feel This bulletin involves replacing the steering gear and updating the Electric Hydraulic Power Steering (EHPS) software, checking sales codes and performing vehicle reconfig, if required.Review and perform all steps necessary to complete the Repair Procedure. If any steps are missed this may lead to undesired handling characteristics. The customer may describe one or more of the…
• 10184770Nov 19, 2020Electrical system, Equipment, Steering. Improved Steering Feel This bulletin involves replacing the steering gear and updating the Electric Hydraulic Power Steering (EHPS) software, checking sales codes and performing vehicle reconfig, if required.Review and perform all steps necessary to complete the Repair Procedure. If any steps are missed this may lead to undesired handling characteristics. The customer may describe one or more of the following…
• 10184470Nov 19, 2020Equipment, Electrical system, Steering. Improved Steering Feel This bulletin involves replacing the steering gear and updating the Electric Hydraulic Power Steering (EHPS) software, checking sales codes and performing vehicle reconfig, if required.Review and perform all steps necessary to complete the Repair Procedure. If any steps are missed this may lead to undesired handling characteristics. The customer may describe one or more of the…
• 10223999Nov 18, 2020Engine cooling. ADAPTER, Engine Oil Filter If you are replacing the oil cooler/filter housing for an oil leak that appears to be between the cooler, and the engine block, please refer to all published service information regarding proper diagnosis of oil leaks in this area before proceeding. If all proper diagnosis has been performed, and there is still an active leak, please replace the oil cooler/filter housing gasket (pn#…
• 10184676Nov 18, 2020Engine cooling. ADAPTER, Engine Oil Filter If you are replacing the oil cooler/filter housing for an oil leak that appears to be between the cooler, and the engine block, please refer to all published service information regarding proper diagnosis of oil leaks in this area before proceeding. If all proper diagnosis has been performed, and there is still an active leak, please replace the oil cooler/filter housing gasket (pn#…
• 10184376Nov 18, 2020Equipment, Engine cooling. ADAPTER, Engine Oil Filter If you are replacing the oil cooler/filter housing for an oil leak that appears to be between the cooler, and the engine block, please refer to all published service information regarding proper diagnosis of oil leaks in this area before proceeding. If all proper diagnosis has been performed, and there is still an active leak, please replace the oil cooler/filter housing gasket (pn#…
• 10224089Nov 17, 2020Transmission and drivetrain, Steering. Improved Steering Feel This bulletin involves replacing the steering gear and updating the Electric Hydraulic Power Steering (EHPS) software, checking sales codes and performing vehicle reconfig, if required.Review and perform all step necessary to complete the Repair Procedure. If any steps are missed this may lead to undesired handling characteristics. The customer may describe one or more of the…
• 10184767Nov 17, 2020Steering, Electrical system, Equipment. Improved Steering Feel This bulletin involves replacing the steering gear and updating the Electric Hydraulic Power Steering (EHPS) software, checking sales codes and performing vehicle reconfig, if required.Review and perform all step necessary to complete the Repair Procedure. If any steps are missed this may lead to undesired handling characteristics. The customer may describe one or more of the…
• 10184467Nov 17, 2020Steering, Equipment, Electrical system. Improved Steering Feel This bulletin involves replacing the steering gear and updating the Electric Hydraulic Power Steering (EHPS) software, checking sales codes and performing vehicle reconfig, if required.Review and perform all step necessary to complete the Repair Procedure. If any steps are missed this may lead to undesired handling characteristics. The customer may describe one or more of the…
• 10224038Nov 16, 2020Engine cooling. Oil Leak Between The Engine Oil Cooler/Filter Housing, And The Engine Block.
• 10184715Nov 16, 2020Engine cooling. Oil Leak Between The Engine Oil Cooler/Filter Housing, And The Engine Block.
• 10184415Nov 16, 2020Equipment, Engine cooling. Oil Leak Between The Engine Oil Cooler/Filter Housing, And The Engine Block.
• 10224029Nov 10, 2020Brakes, Fuel system, Exterior lighting. (Rev. B) Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Codes (DTCs) P20E8 ? Reductant Pressure Too Low and/or P208B ? Reductant Pump 1 Control Performance Set.
• 10224028Nov 10, 2020Exterior lighting, Air bags, Fuel system. (Rev. A) Malfunction Indicator Light (MIL) Illuminated. Service Diesel Exhaust Fluid (DEF) System ? See Dealer Soon Message on Electronic Vehicle Information Center (EVIC) Along With Possible Diagnostic Trouble Code (DTC) P241D - SCR Inducement - Forced Engine Shutdown.
• 10184706Nov 10, 2020Brakes, Fuel system, Electrical system. (Rev. B) Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Codes (DTCs) P20E8 ? Reductant Pressure Too Low and/or P208B ? Reductant Pump 1 Control Performance Set.
• 10184705Nov 10, 2020Equipment, Fuel system, Engine cooling. (Rev. A) Malfunction Indicator Light (MIL) Illuminated. Service Diesel Exhaust Fluid (DEF) System ? See Dealer Soon Message on Electronic Vehicle Information Center (EVIC) Along With Possible Diagnostic Trouble Code (DTC) P241D - SCR Inducement - Forced Engine Shutdown.
• 10184406Nov 10, 2020Engine, Electrical system, Transmission and drivetrain, Fuel system. (Rev. B) Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Codes (DTCs) P20E8 ? Reductant Pressure Too Low and/or P208B ? Reductant Pump 1 Control Performance Set.
• 10184405Nov 10, 2020Fuel system, Electrical system, Engine cooling. (Rev. A) Malfunction Indicator Light (MIL) Illuminated. Service Diesel Exhaust Fluid (DEF) System ? See Dealer Soon Message on Electronic Vehicle Information Center (EVIC) Along With Possible Diagnostic Trouble Code (DTC) P241D - SCR Inducement - Forced Engine Shutdown.
• 10224032Nov 9, 2020Other or unknown. MOPAR Trailer Brake Accessory Kit And Instructions
• 10184709Nov 9, 2020Electrical system. MOPAR Trailer Brake Accessory Kit And Instructions
• 10184409Nov 9, 2020Electrical system, Equipment. MOPAR Trailer Brake Accessory Kit And Instructions
• 10224030Nov 7, 2020Electrical system. Radio Screen Flickering When Using Apple CarPlay Or Android Auto.
• 10184707Nov 7, 2020Electrical system. Radio Screen Flickering When Using Apple CarPlay Or Android Auto.
• 10184407Nov 7, 2020Electrical system, Equipment. Radio Screen Flickering When Using Apple CarPlay Or Android Auto.
• 10224025Nov 6, 2020Electrical system. Check engine lamp on. Fault code P0244- TURBOCHARGER/SUPERCHARGER WASTEGATE SOLENOID "A" RANGE/PERFORMANCE is set in the Powertrain Control Module (PCM a.k.a. ECM) after the turbocharger assembly has been replaced.
• 10184702Nov 6, 2020Electrical system, Transmission and drivetrain, Engine. Check engine lamp on. Fault code P0244- TURBOCHARGER/SUPERCHARGER WASTEGATE SOLENOID "A" RANGE/PERFORMANCE is set in the Powertrain Control Module (PCM a.k.a. ECM) after the turbocharger assembly has been replaced.
• 10184402Nov 6, 2020Engine cooling, Electrical system, Transmission and drivetrain. Check engine lamp on. Fault code P0244- TURBOCHARGER/SUPERCHARGER WASTEGATE SOLENOID "A" RANGE/PERFORMANCE is set in the Powertrain Control Module (PCM a.k.a. ECM) after the turbocharger assembly has been replaced.
• 10224024Nov 5, 2020Exterior lighting, Back-over prevention (rear camera). (Rev. B) Malfunction Indicator Lamp Illumination (MIL). Diagnostic Trouble Code (DTC) P203E ? Reductant Level Sensor 1 Circuit Intermittent-Erratic Set.
• 10184701Nov 5, 2020Exterior lighting, Transmission and drivetrain, Equipment. (Rev. B) Malfunction Indicator Lamp Illumination (MIL). Diagnostic Trouble Code (DTC) P203E ? Reductant Level Sensor 1 Circuit Intermittent-Erratic Set.
• 10184401Nov 5, 2020Electrical system, Transmission and drivetrain, Fuel system. (Rev. B) Malfunction Indicator Lamp Illumination (MIL). Diagnostic Trouble Code (DTC) P203E ? Reductant Level Sensor 1 Circuit Intermittent-Erratic Set.
• 10223925Oct 28, 2020Equipment, Air bags. Check Engine Light (CEL), No Crank, Cluster Shows Not In Park (Vehicle Still Able To Obtain Park) Due To Terminal Push Out (TPO) Of The XY230A Inline Connector
• 10183036Oct 28, 2020Equipment, Transmission and drivetrain, Engine cooling. Check Engine Light (CEL), No Crank, Cluster Shows Not In Park (Vehicle Still Able To Obtain Park) Due To Terminal Push Out (TPO) Of The XY230A Inline Connector
• 10223987Oct 27, 2020Body and structure. Aluminum Body Panel Corrosion Repair This bulletin involves inspecting and if necessary removing corrosion and refinishingthe suspect aluminum panels on the vehicle, hood, door, fenders, hinges, swing gates or liftgate panels.

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