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.

• 10221153Apr 17, 2021Equipment, Electrical system. Battery Tester Warranty Code Procedures, Midtronics Charger Update Process
• 10194007Apr 17, 2021Transmission and drivetrain. No Start Intermittently, Vehicle Requires Multiple Keyless Push To Start Attempts To Start Vehicle, Intermittent Key Not Detected Message
• 10221152Apr 16, 2021Equipment, Electrical system. Battery Tester Warranty Code Procedures, Medtronic Update Process
• 10221150Apr 16, 2021Transmission and drivetrain. Gear Ratio DTC?s, Transmission Shift Concerns, Does Not Shift At Times, Shudders
• 10221105Apr 15, 2021Equipment, Engine. TRANSMITTER, Integrated Key FOB Due to a global semiconductor shortage, service availability of this part is limited. To maintain production and service requirements, FOBIKs affected by the shortage will be available on an ?as required basis?. This FOBIK should only be ordered in the event the vehicle is inoperable, and there are no other FOBIKs available. It is requested the customer uses their spare FOBIK until…
• 10193958Apr 15, 2021Equipment. TRANSMITTER, Integrated Key FOB Due to a global semiconductor shortage, service availability of this part is limited. To maintain production and service requirements, FOBIKs affected by the shortage will be available on an ?as required basis?. This FOBIK should only be ordered in the event the vehicle is inoperable, and there are no other FOBIKs available. It is requested the customer uses their spare FOBIK until…
• 10221103Apr 14, 2021Engine cooling. Valve Cover & Gasket Engineering is looking for information on the Pentastar valve cover due to gasket oil leaks. Please review the valve cover for a white paint dot/mark directly between the 2 cam actuators on the front of the valve cover. If found, please contact the following engineers for further information FCA Redacted Content, or FCA Redacted Content If no response in 15 minutes, proceed with repair.
• 10193956Apr 14, 2021Engine cooling. Valve Cover & Gasket Engineering is looking for information on the Pentastar valve cover due to gasket oil leaks. Please review the valve cover for a white paint dot/mark directly between the 2 cam actuators on the front of the valve cover. If found, please contact the following engineers for further information FCA Redacted Content, or FCA Redacted Content If no response in 15 minutes, proceed with repair.
• 10221193Apr 13, 2021Body and structure. Soft Top Wear Due To Contact With Number Two Bow Side Frame Link This bulletin includes inspecting the soft top in the closed position for wear or holes and applying anti-wear tape. Customers may comment on one or more of the following:Wear on soft top cover. A hole in soft top cover.
• 10194046Apr 13, 2021Body and structure. Soft Top Wear Due To Contact With Number Two Bow Side Frame Link This bulletin includes inspecting the soft top in the closed position for wear or holes and applying anti-wear tape. Customers may comment on one or more of the following:Wear on soft top cover. A hole in soft top cover.
• 10221188Apr 9, 2021Electrical system. Key FOBIK Shortage and Restriction This bulletin is to inform customers, technicians and sales staff that vehicles are being delivered with only one key FOBIK due to a temporary semi conductor shortage. The customer may notice that they only have one key FOBIK when the vehicle was delivered or need an additional key FOBIK due to a lost or damaged keyFOBIK.Key FOBIKs to service customer vehicles are limited to…
• 10221142Apr 9, 2021Electrical system. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Codes (DTCs) P051B ? Crankcase Pressure Sensor Circuit Performance, and/or P04DB ? Crankcase Ventilation System Disconnected, Set After Powertrain Control Module (PCM) Replacement
• 10221137Apr 9, 2021Equipment, Electrical system. Apple CarPlay Does Not Work Or Not Connecting
• 10221135Apr 9, 2021Steering. Steering Damper Mounting Information
• 10194041Apr 9, 2021Equipment. Key FOBIK Shortage and Restriction This bulletin is to inform customers, technicians and sales staff that vehicles are being delivered with only one key FOBIK due to a temporary semi conductor shortage. The customer may notice that they only have one key FOBIK when the vehicle was delivered or need an additional key FOBIK due to a lost or damaged keyFOBIK.Key FOBIKs to service customer vehicles are limited to…
• 10193995Apr 9, 2021Back-over prevention (rear camera), Electrical system, Brakes, Exterior lighting. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Codes (DTCs) P051B ? Crankcase Pressure Sensor Circuit Performance, and/or P04DB ? Crankcase Ventilation System Disconnected, Set After Powertrain Control Module (PCM) Replacement
• 10193990Apr 9, 2021Back-over prevention (rear camera), Equipment. Apple CarPlay Does Not Work Or Not Connecting
• 10193988Apr 9, 2021Steering. Steering Damper Mounting Information
• 10221101Apr 7, 2021Electrical system. TRANSMITTER, Integrated Key FOB Due to a global semiconductor shortage, service availability of this part is limited. To maintain production and service requirements, FOBIKs affected by the shortage will be available on an ?as required basis?. This FOBIK should only be ordered in the event the vehicle is inoperable, and there are no other FOBIKs available. It is requested the customer uses their spare FOBIK until…
• 10221097Apr 7, 2021Transmission and drivetrain. Transmission Kit with Torque Converter 1. All Promaster (VF) 3.6L/62TE equipped vehicles. If the transmission bracket to the transmission case fasteners are removed during servicing, the fasteners (Part Number 06511385A$) are one-time usage.
• 10193954Apr 7, 2021Equipment. TRANSMITTER, Integrated Key FOB Due to a global semiconductor shortage, service availability of this part is limited. To maintain production and service requirements, FOBIKs affected by the shortage will be available on an ?as required basis?. This FOBIK should only be ordered in the event the vehicle is inoperable, and there are no other FOBIKs available. It is requested the customer uses their spare FOBIK until…
• 10221126Apr 2, 2021Engine cooling. A Buzz, Squeak, Rattle (BSR), Clicking Noise Heard From Left Side Of The Freedom Top.
• 10193979Apr 2, 2021Engine cooling, Back-over prevention (rear camera). A Buzz, Squeak, Rattle (BSR), Clicking Noise Heard From Left Side Of The Freedom Top.
• 10190667Mar 31, 2021Engine cooling. Customer complaint may include engine oil leak/consumption.
• 10190589Mar 31, 2021Engine cooling. ADAPTER, Engine Oil Filter (Pentastar V6) All vehicles equipped with a 3.2L or 3.6L except for model year 2014 vehicles with leak concern: 1) Ensure the Oil Filter Adapter (OFA) Cap O-ring is seated in the proper groove in the cap and not damaged or cut. 2) If replacing the (OFA) due to a leak detected between (OFA) and block. Ensure the torque on the 5 bolts are torqued to 12nm. If not record the actual values…
• 10220911Mar 26, 2021Equipment. Radio Replacement Reset Routine, Radio Has Missing Icons Or Are Grayed Out
• 10190658Mar 26, 2021Equipment. Radio Replacement Reset Routine, Radio Has Missing Icons Or Are Grayed Out
• 10220905Mar 24, 2021Electrical system. Wiring Harness Contacts Drivers Catalytic Converter. Check Engine Light (CEL), Anti-Lock Brake System (ABS), Traction Control System (TCS), Service 4WD Lamp On
• 10190652Mar 24, 2021Electrical system. Wiring Harness Contacts Drivers Catalytic Converter. Check Engine Light (CEL), Anti-Lock Brake System (ABS), Traction Control System (TCS), Service 4WD Lamp On
• 10220967Mar 23, 2021Electrical system, Equipment. UGQ Radio Enhancements This bulletin involves inspecting and if required updating the radio software to:28.3 - 2018 MY 34.21 - 2020 MY Customers may experience one or more of the following: Intermittently, the radio screen will black out after key is turned on(For 34.21 Only). Navigation screen freezes after a Voice Recognition (VR) command. Warning chime will not turn off. Radio display black, except application…
• 10190714Mar 23, 2021Lane departure. UGQ Radio Enhancements This bulletin involves inspecting and if required updating the radio software to:28.3 - 2018 MY 34.21 - 2020 MY Customers may experience one or more of the following: Intermittently, the radio screen will black out after key is turned on(For 34.21 Only). Navigation screen freezes after a Voice Recognition (VR) command. Warning chime will not turn off. Radio display black, except application…
• 10220903Mar 22, 2021Visibility (wipers, defrost, mirrors). Front Defrost Only Clears Part Of The Windshield
• 10190650Mar 22, 2021Visibility (wipers, defrost, mirrors). Front Defrost Only Clears Part Of The Windshield
• 10220900Mar 20, 2021Back-over prevention (rear camera), Electrical system. Reverse Camera System Unavailable And Blue Screen Showing On Radio Display
• 10190647Mar 20, 2021Back-over prevention (rear camera). Reverse Camera System Unavailable And Blue Screen Showing On Radio Display
• 10220898Mar 19, 2021Equipment, Electrical system. The EVIC Splash Screen Does Not Display The Rubicon Logo On Vehicles Equipped With The Rubicon Recon 28Y Package
• 10190645Mar 19, 2021Equipment. The EVIC Splash Screen Does Not Display The Rubicon Logo On Vehicles Equipped With The Rubicon Recon 28Y Package
• 10220891Mar 16, 2021Visibility (wipers, defrost, mirrors), Equipment. A/C does not cool and vehicle is low on Freon charge but no leak is found with sniffer or black light anywhere in the system
• 10220882Mar 15, 2021Transmission and drivetrain. Noise From Front Axle Area Over Bumps
• 10190629Mar 15, 2021Suspension. Noise From Front Axle Area Over Bumps
• 10220877Mar 12, 2021Back-over prevention (rear camera), Vehicle speed control. Creak Tick Pop Noise From Door Or Doors
• 10190624Mar 12, 2021Body and structure. Creak Tick Pop Noise From Door Or Doors
• 10220879Mar 11, 2021Tires, Equipment. Required Updates When Changing Tire Sizes, Installing Mopar Lift Kits With Larger Tires, Manual Transmission Vehicles Setting DTC P08A6
• 10190626Mar 11, 2021Transmission and drivetrain. Required Updates When Changing Tire Sizes, Installing Mopar Lift Kits With Larger Tires, Manual Transmission Vehicles Setting DTC P08A6
• 10220873Mar 9, 2021Transmission and drivetrain, Engine cooling. Appearance Of A Coolant Leak On The Power Pack Unit (PPU) Fitting Due To Assembly Lubricant
• 10190620Mar 9, 2021Engine cooling. Appearance Of A Coolant Leak On The Power Pack Unit (PPU) Fitting Due To Assembly Lubricant
• 10220835Mar 3, 2021Visibility (wipers, defrost, mirrors), Back-over prevention (rear camera). CAMERA, Rear View For concerns of back up camera flicker/blank/blue/black screen or camera inop, please ensure Radio is at latest software level. After update, system requires three sleep cycles to function properly. Please verify camera LVDS- Low-Voltage Differential Signaling cable connection at camera and radio head unit. Also verify harness connection between high mounted stop lamp and body harness for bent…
• 10220834Mar 3, 2021Engine cooling. ENGINE, Complete If you are replacing the 3.0L Diesel engine assembly due to internal failure, the Diesel Engineering team is requesting more information regarding the repair. Please provide the following information to FCA Redacted Content and proceed with engine order.
• 10190582Mar 3, 2021Back-over prevention (rear camera). CAMERA, Rear View For concerns of back up camera flicker/blank/blue/black screen or camera inop, please ensure Radio is at latest software level. After update, system requires three sleep cycles to function properly. Please verify camera LVDS- Low-Voltage Differential Signaling cable connection at camera and radio head unit. Also verify harness connection between high mounted stop lamp and body harness for bent…
• 10190581Mar 3, 2021Engine cooling. ENGINE, Complete If you are replacing the 3.0L Diesel engine assembly due to internal failure, the Diesel Engineering team is requesting more information regarding the repair. Please provide the following information to FCA Redacted Content and proceed with engine order.

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