2021 Jeep Wrangler Technical Service Bulletins

1,039 technical service bulletins (TSBs) are on record for the 2021 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.

• 10194030Apr 21, 2021Equipment. Radio Screen Freeze, Blank Screen And Reset
• 10221154Apr 17, 2021Electrical system. No Start Intermittently, Vehicle Requires Multiple Keyless Push To Start Attempts To Start Vehicle, Intermittent Key Not Detected Message
• 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
• 10221149Apr 15, 2021Engine cooling. CEL (Check Engine Lamp) Lamp On, Vehicle Starts Has Reduced Power Or Limited Forward Movement Limp In When Placed In Gear
• 10221147Apr 15, 2021Electrical system. The 12V Battery Low Has A Low Charge Level Upon Delivery
• 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…
• 10194002Apr 15, 2021Transmission and drivetrain. CEL (Check Engine Lamp) Lamp On, Vehicle Starts Has Reduced Power Or Limited Forward Movement Limp In When Placed In Gear
• 10194000Apr 15, 2021Electrical system. The 12V Battery Low Has A Low Charge Level Upon Delivery
• 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.
• 10221191Apr 10, 2021Fuel system, Electrical system, Transmission and drivetrain, Exterior lighting. 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 the technician may find one of the following DTCs have been set:P02EE - Cylinder 1 Injector Circuit Performance. P02EF - Cylinder 2 Injector Circuit Performance. P02F0 - Cylinder 3 Injector…
• 10194044Apr 10, 2021Exterior lighting, Fuel system, Electrical system. 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 the technician may find one of the following DTCs have been set:P02EE - Cylinder 1 Injector Circuit Performance. P02EF - Cylinder 2 Injector Circuit Performance. P02F0 - Cylinder 3 Injector…
• 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.
• 10221124Apr 2, 2021Electrical system. The 12V Battery Low Has A Low Charge Level Upon Delivery
• 10193979Apr 2, 2021Engine cooling, Back-over prevention (rear camera). A Buzz, Squeak, Rattle (BSR), Clicking Noise Heard From Left Side Of The Freedom Top.
• 10193977Apr 2, 2021Electrical system. The 12V Battery Low Has A Low Charge Level Upon Delivery
• 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…
• 10220985Mar 26, 2021Electrical system, Transmission and drivetrain. Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. Customers may experience the following on a vehicle with less than 64 km (40 miles) on the odometer:A Malfunction Indicator Lamp (MIL) event or failure withnoDiagnostic Trouble Codes (DTCs) and the vehicle has less than 40 miles on the odometer indicates it is likely the vehicle has…
• 10220977Mar 26, 2021Electrical system, Transmission and drivetrain. 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: P0524 - Low oil pressure (during start up in cold ambient temps). P249C-00 - Excessive…
• 10220911Mar 26, 2021Equipment. Radio Replacement Reset Routine, Radio Has Missing Icons Or Are Grayed Out
• 10190732Mar 26, 2021Electrical system, Exterior lighting, Transmission and drivetrain. Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. Customers may experience the following on a vehicle with less than 64 km (40 miles) on the odometer:A Malfunction Indicator Lamp (MIL) event or failure withnoDiagnostic Trouble Codes (DTCs) and the vehicle has less than 40 miles on the odometer indicates it is likely the vehicle has…
• 10190724Mar 26, 2021Back-over prevention (rear camera), Brakes, Fuel system, Exterior lighting…. 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: P0524 - Low oil pressure (during start up in cold ambient temps). P249C-00 - Excessive…
• 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
• 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
• 10220965Mar 20, 2021Transmission and drivetrain, Electrical system. Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software.
• 10220900Mar 20, 2021Back-over prevention (rear camera), Electrical system. Reverse Camera System Unavailable And Blue Screen Showing On Radio Display
• 10190712Mar 20, 2021Transmission and drivetrain, Exterior lighting, Electrical system. Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software.
• 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

← All problems reported for the 2021 Jeep Wrangler