2021 Jeep WranglerService bulletins
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.
- 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.
- 10230030May 10, 2021Equipment. Customer Indicates The AC Compressor Is Loud At Times.
- 10230025May 10, 2021Back-over prevention (rear camera), Vehicle speed control, Visibility (wipers…. Wind Noise And Or Gap At Front Door Mirror Flag
- 10223418May 10, 2021Visibility (wipers, defrost, mirrors). Customer Indicates The AC Compressor Is Loud At Times.
- 10223413May 10, 2021Visibility (wipers, defrost, mirrors). Wind Noise And Or Gap At Front Door Mirror Flag
- 10223258May 10, 2021Brakes. Customer Indicates The AC Compressor Is Loud At Times.
- 10223253May 10, 2021Body and structure, Visibility (wipers, defrost, mirrors). Wind Noise And Or Gap At Front Door Mirror Flag
- 10198352May 10, 2021Visibility (wipers, defrost, mirrors). Customer Indicates The AC Compressor Is Loud At Times.
- 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
- 10230020May 6, 2021Back-over prevention (rear camera). Reverse Camera System Unavailable Message, Blue Screen Showing On Radio Display
- 10223408May 6, 2021Equipment, Back-over prevention (rear camera). Reverse Camera System Unavailable Message, Blue Screen Showing On Radio Display
- 10223248May 6, 2021Back-over prevention (rear camera). Reverse Camera System Unavailable Message, Blue Screen Showing On Radio Display
- 10198342May 6, 2021Equipment. Reverse Camera System Unavailable Message, Blue Screen Showing On Radio Display
- 10229989May 5, 2021Back-over prevention (rear camera). RADIO, MULTI Media (ASSY) The customers may have concerns of backup camera missing gridlines or showing black screen with "check entire surroundings" message while in Reverse mode. It is a backup camera initialization timing issue. Please check the backup camera and connections. This issue is recoverable with a key cycle. Replacing the radio head unit will not resolve the customer's concerns. FOTA service software…
- 10223377May 5, 2021Back-over prevention (rear camera), Equipment. RADIO, MULTI Media (ASSY) The customers may have concerns of backup camera missing gridlines or showing black screen with "check entire surroundings" message while in Reverse mode. It is a backup camera initialization timing issue. Please check the backup camera and connections. This issue is recoverable with a key cycle. Replacing the radio head unit will not resolve the customer's concerns. FOTA service software…
- 10223217May 5, 2021Back-over prevention (rear camera). RADIO, MULTI Media (ASSY) The customers may have concerns of backup camera missing gridlines or showing black screen with "check entire surroundings" message while in Reverse mode. It is a backup camera initialization timing issue. Please check the backup camera and connections. This issue is recoverable with a key cycle. Replacing the radio head unit will not resolve the customer's concerns. FOTA service software…
- 10198291May 5, 2021Back-over prevention (rear camera). RADIO, MULTI Media (ASSY) The customers may have concerns of backup camera missing gridlines or showing black screen with "check entire surroundings" message while in Reverse mode. It is a backup camera initialization timing issue. Please check the backup camera and connections. This issue is recoverable with a key cycle. Replacing the radio head unit will not resolve the customer's concerns. FOTA service software…
- 10230092May 4, 2021Hybrid propulsion system, Engine cooling. PHEV Ready Telltale This bulletin is to communicate that a customer may report the vehicle does not start with any warning indicators. A technician can not confirm any faults even if they can duplicate the reported concern.
- 10223320May 4, 2021Lane departure. PHEV Ready Telltale This bulletin is to communicate that a customer may report the vehicle does not start with any warning indicators. A technician can not confirm any faults even if they can duplicate the reported concern.
- 10198414May 4, 2021Lane departure, Electrical system. PHEV Ready Telltale This bulletin is to communicate that a customer may report the vehicle does not start with any warning indicators. A technician can not confirm any faults even if they can duplicate the reported concern.
- 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.
- 10221223Apr 29, 2021Electrical system. Charge Functions and Charge Inhibits This bulletin involves discussing the charging strategy - support of low voltage system
- 10221220Apr 29, 2021Hybrid propulsion system. Detailed Proper PHEV Engine Operation This bulletin is to communicate that when the combustion engine starts for the first time within a key-cycle (either when the vehicle is first operational at the key crank, or while driving), the propulsion system will generally operate in ?series-mode? for up to 60 seconds.
- 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.
- 10194076Apr 29, 2021Equipment. Charge Functions and Charge Inhibits This bulletin involves discussing the charging strategy - support of low voltage system
- 10194073Apr 29, 2021Transmission and drivetrain. Detailed Proper PHEV Engine Operation This bulletin is to communicate that when the combustion engine starts for the first time within a key-cycle (either when the vehicle is first operational at the key crank, or while driving), the propulsion system will generally operate in ?series-mode? for up to 60 seconds.
- 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
← All problems reported for the 2021 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.