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.

• 10220732Mar 24, 2022Back-over prevention (rear camera). Rattle Noise From Door
• 10212335Mar 24, 2022Body and structure. Rattle Noise From Door
• 10228988Mar 23, 2022Body and structure, Equipment. Lithium Ion Batteries Beginning April 1, 2022, a $5,000 penalty will be assessed to dealers who return any visually damaged battery to the supplier. Improper handling of damaged lithium ion batteries can cause property damage, serious injury or even death. Exemptions will not be made for any dealer who fails to follow the appropriate handling process.
• 10223027Mar 23, 2022Equipment. Lithium Ion Batteries Beginning April 1, 2022, a $5,000 penalty will be assessed to dealers who return any visually damaged battery to the supplier. Improper handling of damaged lithium ion batteries can cause property damage, serious injury or even death. Exemptions will not be made for any dealer who fails to follow the appropriate handling process.
• 10220644Mar 23, 2022Equipment. Lithium Ion Batteries Beginning April 1, 2022, a $5,000 penalty will be assessed to dealers who return any visually damaged battery to the supplier. Improper handling of damaged lithium ion batteries can cause property damage, serious injury or even death. Exemptions will not be made for any dealer who fails to follow the appropriate handling process.
• 10212247Mar 23, 2022Equipment, Body and structure. Lithium Ion Batteries Beginning April 1, 2022, a $5,000 penalty will be assessed to dealers who return any visually damaged battery to the supplier. Improper handling of damaged lithium ion batteries can cause property damage, serious injury or even death. Exemptions will not be made for any dealer who fails to follow the appropriate handling process.
• 10229160Mar 22, 2022Fuel system, Engine cooling. Water Pump Inlet Tube Fastener Torque This bulletin involves checking the torque on the water pump inlet tube fastenersto possibly eliminate coolant leak at this location. The customer may describe either a coolant leak or the coolant level is low.
• 10223198Mar 22, 2022Fuel system, Engine cooling. Water Pump Inlet Tube Fastener Torque This bulletin involves checking the torque on the water pump inlet tube fastenersto possibly eliminate coolant leak at this location. The customer may describe either a coolant leak or the coolant level is low.
• 10220816Mar 22, 2022Engine cooling, Fuel system. Water Pump Inlet Tube Fastener Torque This bulletin involves checking the torque on the water pump inlet tube fastenersto possibly eliminate coolant leak at this location. The customer may describe either a coolant leak or the coolant level is low.
• 10212420Mar 22, 2022Fuel system, Engine cooling. Water Pump Inlet Tube Fastener Torque This bulletin involves checking the torque on the water pump inlet tube fastenersto possibly eliminate coolant leak at this location. The customer may describe either a coolant leak or the coolant level is low.
• 10229149Mar 17, 2022Exterior lighting, Transmission and drivetrain, 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 or more of the following (DTCs) have been set: P2172 - High Airflow/Vacuum Leak Detected (Instantaneous Accumulation). P0441 - EVAP Purge System Performance…
• 10229059Mar 17, 2022Engine cooling. No Start, After Flash And Or PCM Replace, DTC P0513 Invalid Skim Key Setting
• 10223187Mar 17, 2022Electrical 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 the technician may find one or more of the following (DTCs) have been set: P2172 - High Airflow/Vacuum Leak Detected (Instantaneous Accumulation). P0441 - EVAP Purge System Performance…
• 10223097Mar 17, 2022Transmission and drivetrain. No Start, After Flash And Or PCM Replace, DTC P0513 Invalid Skim Key Setting
• 10220805Mar 17, 2022Electrical 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 the technician may find one or more of the following (DTCs) have been set: P2172 - High Airflow/Vacuum Leak Detected (Instantaneous Accumulation). P0441 - EVAP Purge System Performance…
• 10220715Mar 17, 2022Electrical system, Other or unknown. No Start, After Flash And Or PCM Replace, DTC P0513 Invalid Skim Key Setting
• 10212409Mar 17, 2022Exterior lighting, Equipment, Electrical 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 the technician may find one or more of the following (DTCs) have been set: P2172 - High Airflow/Vacuum Leak Detected (Instantaneous Accumulation). P0441 - EVAP Purge System Performance…
• 10212318Mar 17, 2022Electrical system. No Start, After Flash And Or PCM Replace, DTC P0513 Invalid Skim Key Setting
• 10229142Mar 11, 2022Back-over prevention (rear camera), Electrical 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 the technician may find the following (DTC): P0441- EVAP Purge System Performance. The customer may comment on one or more of the following: Abnormal Engine noise heard periodically. This…
• 10223180Mar 11, 2022Transmission 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 the technician may find the following (DTC): P0441- EVAP Purge System Performance. The customer may comment on one or more of the following: Abnormal Engine noise heard periodically. This…
• 10220798Mar 11, 2022Exterior lighting, Electrical system, Back-over prevention (rear camera). 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 the following (DTC): P0441- EVAP Purge System Performance. The customer may comment on one or more of the following: Abnormal Engine noise heard periodically. This…
• 10212401Mar 11, 2022Electrical system, Engine, Equipment. 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 the following (DTC): P0441- EVAP Purge System Performance. The customer may comment on one or more of the following: Abnormal Engine noise heard periodically. This…
• 10229041Mar 9, 2022Electrical system. Battery Drain Concern, Dual USB Port Normal Operational Draw, Extended Illumination Or Extended Operation After Key Off
• 10229038Mar 9, 2022Equipment, Electrical system. ?Device Not Supported? Message on the radio screen
• 10223079Mar 9, 2022Equipment. Battery Drain Concern, Dual USB Port Normal Operational Draw, Extended Illumination Or Extended Operation After Key Off
• 10223076Mar 9, 2022Equipment. ?Device Not Supported? Message on the radio screen
• 10220697Mar 9, 2022Electrical system, Other or unknown. Battery Drain Concern, Dual USB Port Normal Operational Draw, Extended Illumination Or Extended Operation After Key Off
• 10220694Mar 9, 2022Other or unknown, Electrical system. ?Device Not Supported? Message on the radio screen
• 10212300Mar 9, 2022Electrical system. Battery Drain Concern, Dual USB Port Normal Operational Draw, Extended Illumination Or Extended Operation After Key Off
• 10212297Mar 9, 2022Electrical system, Equipment. ?Device Not Supported? Message on the radio screen
• 10229103Mar 8, 2022Fuel system, Engine cooling. Emissions Recall Y81 Diesel Exhaust Fluid Inducement
• 10223141Mar 8, 2022Fuel system. Emissions Recall Y81 Diesel Exhaust Fluid Inducement
• 10220759Mar 8, 2022Fuel system. Emissions Recall Y81 Diesel Exhaust Fluid Inducement
• 10212362Mar 8, 2022Engine cooling, Fuel system. Emissions Recall Y81 Diesel Exhaust Fluid Inducement
• 10222883Jan 19, 2022Back-over prevention (rear camera), Wheels. AXLE, Service Rear A new parts kit (SENSOR KIT, Axle: 68544629AA) is available to repair the Axle Locker Sensor on the 2018 - 2022 JL/JT equipped with the M210 and M220 Tru-Lok axles (DSE). This new parts kit must be used when only the Axle Locker Sensor fails.
• 10222995Jan 1, 2022Engine cooling, Fuel system. Water Pump Inlet Tube Fastener Torque This bulletin involves checking the torque on the water pump inlet tube fasteners to possibly eliminate coolant leak at this location. The customer may describe either a coolant leak or the coolant level is low.
• 10222950Jan 1, 2022Engine cooling. MIL Lamp On, DTC P0325 - Knock Sensor 1 Circuit
• 10222946Jan 1, 2022Equipment. ABS Lamp On, U0121 Lost Communication With ABS Module, Stop Start Inoperative U0037-00 LIN BUS
• 10222943Jan 1, 2022Transmission and drivetrain. No Crank, No Start, Battery Light On
• 10222930Jan 1, 2022Exterior lighting. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Code (DTC) P0403 ? EGR Control Circuit Open, Set.
• 10222909Jan 1, 2022Lane departure. Service Axle Locker Warning Message
• 10222896Jan 1, 2022Transmission and drivetrain, Back-over prevention (rear camera). Rattle Noise From Power Top Driving Over Bumps Or Rough Road
• 10204365Nov 23, 2021Electrical system. Emissions Recall Y68 PCM Software Update
• 10204406Nov 20, 2021Steering, 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 following…
• 10204344Nov 19, 2021Back-over prevention (rear camera), Vehicle speed control, Body and structure. Wind Noise And Or Water Leak From Door Seal Area
• 10204333Nov 17, 2021Visibility (wipers, defrost, mirrors). Sky Slider Power Top Does Not Operate, New Power Top Motors Will Not Power Operate To Calibrate
• 10204371Nov 3, 2021Brakes, Wheels. Rear Caliper Adapter Bolts Are Loose Or Missing This bulletin includes replacing all four rear caliper adapter bolts if loose or missing. Customers may comment on one or more of the following:Click or clunk from the rear of the vehicle. A missing or loose rear brake caliper adapter boltFig. 1.Missing And Loose Caliper Adapter Bolts
• 10219989Aug 31, 2021Fuel system. Diesel Fuel Injector Cleaning Procedure
• 10218528Aug 31, 2021Engine cooling, Fuel system. Diesel Fuel Injector Cleaning Procedure
• 10219982Aug 25, 2021Equipment. Radio Lockup In The Software Installation Screen After Accepting FOTA Update (Incorrect "S2008000204" indicated on published document)

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