2020 Jeep WranglerService bulletins

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.

10198450May 20, 2021Electrical 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, a technician may find one or more of the following DTCs have been set: P225D-00 - Nox Sensor 1/1 Performance - Signal Stuck Low. P249C-00 - Excessive Time To Enter Closed Loop Reductant…
10230048May 19, 2021Equipment. Radio Volume Uncontrollable Or Changing On Its Own
10223436May 19, 2021Equipment. Radio Volume Uncontrollable Or Changing On Its Own
10223276May 19, 2021Equipment. Radio Volume Uncontrollable Or Changing On Its Own
10198370May 19, 2021Equipment. Radio Volume Uncontrollable Or Changing On Its Own
10230045May 15, 2021Visibility (wipers, defrost, mirrors). Power Mirrors Are Inoperative
10223433May 15, 2021Visibility (wipers, defrost, mirrors). Power Mirrors Are Inoperative
10223273May 15, 2021Visibility (wipers, defrost, mirrors). Power Mirrors Are Inoperative
10198367May 15, 2021Visibility (wipers, defrost, mirrors). Power Mirrors Are Inoperative
10223423May 14, 2021Engine cooling. MIL Lamp On DTC P1CEA BOOST SIDE EVAP PURGE SYSTEM PERFORMANCE
10223263May 14, 2021Electrical system. MIL Lamp On DTC P1CEA BOOST SIDE EVAP PURGE SYSTEM PERFORMANCE
10198357May 14, 2021Engine cooling. MIL Lamp On DTC P1CEA BOOST SIDE EVAP PURGE SYSTEM PERFORMANCE
10230032May 12, 2021Equipment. Radio Screen Freeze, Blank Screen And Reset
10223420May 12, 2021Equipment. Radio Screen Freeze, Blank Screen And Reset
10223260May 12, 2021Equipment. Radio Screen Freeze, Blank Screen And Reset
10198354May 12, 2021Equipment. Radio Screen Freeze, Blank Screen And Reset
10230109May 11, 2021Exterior lighting, Fuel system. Incorrect Fuel Delivery Module This bulletin involves replacing the fuel pump module. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Codes (DTCs) have been set: P062A - Fuel Pump Control Performance. DTC is set due to the fuel tank was assembled with the incorrect fuel pump.
10223337May 11, 2021Electrical system, Fuel system. Incorrect Fuel Delivery Module This bulletin involves replacing the fuel pump module. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Codes (DTCs) have been set: P062A - Fuel Pump Control Performance. DTC is set due to the fuel tank was assembled with the incorrect fuel pump.
10198431May 11, 2021Fuel system, Electrical system. Incorrect Fuel Delivery Module This bulletin involves replacing the fuel pump module. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Codes (DTCs) have been set: P062A - Fuel Pump Control Performance. DTC is set due to the fuel tank was assembled with the incorrect fuel pump.
10230025May 10, 2021Back-over prevention (rear camera), Vehicle speed control, Visibility (wipers…. Wind Noise And Or Gap At Front Door Mirror Flag
10223413May 10, 2021Visibility (wipers, defrost, mirrors). Wind Noise And Or Gap At Front Door Mirror Flag
10223253May 10, 2021Body and structure, Visibility (wipers, defrost, mirrors). Wind Noise And Or Gap At Front Door Mirror Flag
10198347May 10, 2021Visibility (wipers, defrost, mirrors). Wind Noise And Or Gap At Front Door Mirror Flag
10230023May 7, 2021Back-over prevention (rear camera). Squeak and or Chirp Noise From Lift Gate Glass
10223411May 7, 2021Visibility (wipers, defrost, mirrors), Body and structure. Squeak and or Chirp Noise From Lift Gate Glass
10223251May 7, 2021Body and structure. Squeak and or Chirp Noise From Lift Gate Glass
10198345May 7, 2021Back-over prevention (rear camera). Squeak and or Chirp Noise From Lift Gate Glass
10230082May 3, 2021Transmission and drivetrain. Warranty Bulletin D-20-23 Part Order Restriction Program - 48V Power Pack Unit (PPU) - Select 2018 - 2021 Jeep Wrangler (JL) and 2019 - 2021 RAM (DT) (Rev. A)
10230016May 3, 2021Electrical system. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Code (DTC) P20C6 ? Reductant Heater 4 Control Circuit, Set.
10223470May 3, 2021Transmission and drivetrain. Warranty Bulletin D-20-23 Part Order Restriction Program - 48V Power Pack Unit (PPU) - Select 2018 - 2021 Jeep Wrangler (JL) and 2019 - 2021 RAM (DT) (Rev. A)
10223404May 3, 2021Electrical system. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Code (DTC) P20C6 ? Reductant Heater 4 Control Circuit, Set.
10223310May 3, 2021Transmission and drivetrain. Warranty Bulletin D-20-23 Part Order Restriction Program - 48V Power Pack Unit (PPU) - Select 2018 - 2021 Jeep Wrangler (JL) and 2019 - 2021 RAM (DT) (Rev. A)
10223244May 3, 2021Exterior lighting. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Code (DTC) P20C6 ? Reductant Heater 4 Control Circuit, Set.
10198404May 3, 2021Transmission and drivetrain. Warranty Bulletin D-20-23 Part Order Restriction Program - 48V Power Pack Unit (PPU) - Select 2018 - 2021 Jeep Wrangler (JL) and 2019 - 2021 RAM (DT) (Rev. A)
10198338May 3, 2021Electrical system. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Code (DTC) P20C6 ? Reductant Heater 4 Control Circuit, Set.
10221225Apr 29, 2021Electrical system, Equipment. ULQ Radio Enhancements This bulletin involves inspecting and if required, updating the radio software level to 34.2. If the software update is performed on a radio with software below 19.9, the radio could be damaged and will need to be replaced. Customers may experience one or more of the following:Lost radio presets. Radio display screen is black when the ignition is on. Radio may reset, turn itself off and then…
10221173Apr 29, 2021Electrical system. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Codes (DTCs) P225D ? NOX Sensor 1/1 Performance, Signal Stuck Low And/Or P225C ? NOX Sensor 1/1 Performance, Signal Stuck High, Set.
10194078Apr 29, 2021Electrical system. ULQ Radio Enhancements This bulletin involves inspecting and if required, updating the radio software level to 34.2. If the software update is performed on a radio with software below 19.9, the radio could be damaged and will need to be replaced. Customers may experience one or more of the following:Lost radio presets. Radio display screen is black when the ignition is on. Radio may reset, turn itself off and then…
10194026Apr 29, 2021Exterior lighting, Back-over prevention (rear camera). Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Codes (DTCs) P225D ? NOX Sensor 1/1 Performance, Signal Stuck Low And/Or P225C ? NOX Sensor 1/1 Performance, Signal Stuck High, Set.
10221170Apr 27, 2021Electrical system. Malfunction Indicator Lamp (MIL) Illuminated. Fuel Injection Quantity Diagnostic Trouble Codes (DTCs) Set.
10194023Apr 27, 2021Exterior lighting. Malfunction Indicator Lamp (MIL) Illuminated. Fuel Injection Quantity Diagnostic Trouble Codes (DTCs) Set.
10221164Apr 24, 2021Electrical system. Battery Drain Concern, Dual USB Port Normal Operational Draw, Extended Illumination After Key Off
10194017Apr 24, 2021Equipment. Battery Drain Concern, Dual USB Port Normal Operational Draw, Extended Illumination After Key Off
10221160Apr 23, 2021Body and structure, Equipment. Tick Noise From A-pillar Front Power Top Side Rail
10194013Apr 23, 2021Transmission and drivetrain, Back-over prevention (rear camera). Tick Noise From A-pillar Front Power Top Side Rail
10221208Apr 22, 2021Other or unknown, Equipment. Key FOBIK Shortage and Restriction This bulletin is to inform customers, FOBIKs will be on restriction due to a temporary semi conductor shortage. Key FOBIKs to service customer vehicles are limited to customer vehicles which are inoperable and a spare FOBIK is not available.
10194061Apr 22, 2021Equipment. Key FOBIK Shortage and Restriction This bulletin is to inform customers, FOBIKs will be on restriction due to a temporary semi conductor shortage. Key FOBIKs to service customer vehicles are limited to customer vehicles which are inoperable and a spare FOBIK is not available.
10221177Apr 21, 2021Electrical system, Equipment. Radio Screen Freeze, Blank Screen And Reset
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

← All problems reported for the 2020 Jeep Wrangler

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.