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.

• 10220636Mar 17, 2022Fuel system, Brakes. PUMP, Washer, Windshield Windshield washer pump is inop or low pressure If customer comes in with the issue described above, please contact the following individuals prior to servicing the vehicle. FCA Redacted Content If no response in 15 minutes, proceed with repair.
• 10212318Mar 17, 2022Electrical system. No Start, After Flash And Or PCM Replace, DTC P0513 Invalid Skim Key Setting
• 10212239Mar 17, 2022Brakes, Fuel system. PUMP, Washer, Windshield Windshield washer pump is inop or low pressure If customer comes in with the issue described above, please contact the following individuals prior to servicing the vehicle. FCA Redacted Content If no response in 15 minutes, proceed with repair.
• 10229056Mar 16, 2022Steering. Loss of power steering assist. U0131 Lost Communication With Electric Power Steering Control Module
• 10223094Mar 16, 2022Fuel system, Transmission and drivetrain, Steering. Loss of power steering assist. U0131 Lost Communication With Electric Power Steering Control Module
• 10220712Mar 16, 2022Transmission and drivetrain, Steering, Fuel system. Loss of power steering assist. U0131 Lost Communication With Electric Power Steering Control Module
• 10212315Mar 16, 2022Electrical system, Steering. Loss of power steering assist. U0131 Lost Communication With Electric Power Steering Control Module
• 10229146Mar 12, 2022Electrical system. Flash: Battery Pack Control Module (BPCM) Diagnostic and System Updates This bulletin involves updating the BPCM with the latest available software.
• 10229145Mar 12, 2022Exterior lighting, 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 Diagnostic Trouble Code (DTC). U0402-00 - Implausible Data Received From TCM. U145D - Implausible Data Received From TCM On D-PT.
• 10229144Mar 12, 2022Electrical system. Flash: Integrated Dual Charging Module (IDCM) Enhancements This bulletin involves reprogramming the IDCM with the latest software available or replacing the IDCM if required. Module, Integrated Dual Charging (IDCM)
• 10229143Mar 12, 2022Electrical system, Transmission and drivetrain. Flash: Hybrid Control Processor (HCP) and Auxiliary Hybrid Control Processor (AHCP) Updates This bulletin involves reprogramming the HCP and AHCP or also known as Power Inverter Module (PIM) with the latest available software.
• 10223184Mar 12, 2022Electrical system. Flash: Battery Pack Control Module (BPCM) Diagnostic and System Updates This bulletin involves updating the BPCM with the latest available software. Customers may experience a false Malfunction Indicator Lamp (MIL) illumination related to PHEV battery: P1C00-00 - Hybrid/EV Battery Voltage Sense 1 Out Of Range Low. P1C01-00 - Hybrid/EV Battery Voltage Sense 1 Out Of Range High. P1A9B-00 - Hybrid/EV Battery…
• 10223183Mar 12, 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 one or more of the following Diagnostic Trouble Code (DTC). U0402-00 - Implausible Data Received From TCM. U145D - Implausible Data Received From TCM On D-PT.
• 10223182Mar 12, 2022Electrical system. Flash: Integrated Dual Charging Module (IDCM) Enhancements This bulletin involves reprogramming the IDCM with the latest software available or replacing the IDCM if required. Module, Integrated Dual Charging (IDCM)
• 10223181Mar 12, 2022Electrical system, Hybrid propulsion system. Flash: Hybrid Control Processor (HCP) and Auxiliary Hybrid Control Processor (AHCP) Updates This bulletin involves reprogramming the HCP and AHCP or also known as Power Inverter Module (PIM) 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 Diagnostic Trouble Codes (DTCs).
• 10220802Mar 12, 2022Electrical system, Back-over prevention (rear camera), Transmission and…. Flash: Battery Pack Control Module (BPCM) Diagnostic and System Updates This bulletin involves updating the BPCM with the latest available software. Customers may experience a false Malfunction Indicator Lamp (MIL) illumination related to PHEV battery: P1C00-00 - Hybrid/EV Battery Voltage Sense 1 Out Of Range Low. P1C01-00 - Hybrid/EV Battery Voltage Sense 1 Out Of Range High. P1A9B-00 - Hybrid/EV Battery…
• 10220801Mar 12, 2022Transmission and drivetrain, Exterior lighting, 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 Diagnostic Trouble Code (DTC). U0402-00 - Implausible Data Received From TCM. U145D - Implausible Data Received From TCM On D-PT.
• 10220800Mar 12, 2022Electrical system. Flash: Integrated Dual Charging Module (IDCM) Enhancements This bulletin involves reprogramming the IDCM with the latest software available or replacing the IDCM if required. Module, Integrated Dual Charging (IDCM)
• 10220799Mar 12, 2022Transmission and drivetrain, Electrical system, Exterior lighting, Back-over…. Flash: Hybrid Control Processor (HCP) and Auxiliary Hybrid Control Processor (AHCP) Updates This bulletin involves reprogramming the HCP and AHCP or also known as Power Inverter Module (PIM) 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 Diagnostic Trouble Codes (DTCs).
• 10212405Mar 12, 2022Equipment, Electrical system, Transmission and drivetrain. Flash: Battery Pack Control Module (BPCM) Diagnostic and System Updates This bulletin involves updating the BPCM with the latest available software. Customers may experience a false Malfunction Indicator Lamp (MIL) illumination related to PHEV battery: P1C00-00 - Hybrid/EV Battery Voltage Sense 1 Out Of Range Low. P1C01-00 - Hybrid/EV Battery Voltage Sense 1 Out Of Range High. P1A9B-00 - Hybrid/EV Battery…
• 10212404Mar 12, 2022Equipment, 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 Diagnostic Trouble Code (DTC). U0402-00 - Implausible Data Received From TCM. U145D - Implausible Data Received From TCM On D-PT.
• 10212403Mar 12, 2022Equipment, Electrical system. Flash: Integrated Dual Charging Module (IDCM) Enhancements This bulletin involves reprogramming the IDCM with the latest software available or replacing the IDCM if required. Module, Integrated Dual Charging (IDCM)
• 10212402Mar 12, 2022Other or unknown, Transmission and drivetrain, Electrical system, Equipment. Flash: Hybrid Control Processor (HCP) and Auxiliary Hybrid Control Processor (AHCP) Updates This bulletin involves reprogramming the HCP and AHCP or also known as Power Inverter Module (PIM) 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 Diagnostic Trouble Codes (DTCs).
• 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
• 10228973Mar 9, 2022Suspension. SHOCK ABSORBER KIT, Suspension, Front/Rear For concern of shock oil leak, please contact FCA Redacted Content prior to replacing this part. If no response in 15 minutes, proceed with the repair.
• 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
• 10223012Mar 9, 2022Suspension. SHOCK ABSORBER KIT, Suspension, Front/Rear For concern of shock oil leak, please contact FCA Redacted Content prior to replacing this part. If no response in 15 minutes, proceed with the repair.
• 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
• 10220629Mar 9, 2022Suspension. SHOCK ABSORBER KIT, Suspension, Front/Rear For concern of shock oil leak, please contact FCA Redacted Content prior to replacing this part. If no response in 15 minutes, proceed with the repair.
• 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
• 10212232Mar 9, 2022Suspension, Equipment. SHOCK ABSORBER KIT, Suspension, Front/Rear For concern of shock oil leak, please contact FCA Redacted Content prior to replacing this part. If no response in 15 minutes, proceed with the repair.
• 10229103Mar 8, 2022Fuel system, Engine cooling. Emissions Recall Y81 Diesel Exhaust Fluid Inducement
• 10229036Mar 8, 2022Electrical system. No Start, Service Hybrid Electric Cluster Message, Turtle Warning Lamp On
• 10223141Mar 8, 2022Fuel system. Emissions Recall Y81 Diesel Exhaust Fluid Inducement
• 10223074Mar 8, 2022Lane departure. No Start, Service Hybrid Electric Cluster Message, Turtle Warning Lamp On
• 10220759Mar 8, 2022Fuel system. Emissions Recall Y81 Diesel Exhaust Fluid Inducement
• 10220692Mar 8, 2022Electrical system, Lane departure. No Start, Service Hybrid Electric Cluster Message, Turtle Warning Lamp On
• 10212362Mar 8, 2022Engine cooling, Fuel system. Emissions Recall Y81 Diesel Exhaust Fluid Inducement
• 10212295Mar 8, 2022Hybrid propulsion system, Electrical system. No Start, Service Hybrid Electric Cluster Message, Turtle Warning Lamp On
• 10212350Mar 3, 2022Equipment. Warranty Operations Newsletter Volume 8, Issue 2
• 10222997Jan 27, 2022Electrical system, Back-over prevention (rear camera), Exterior lighting. Flash: Amplifier (AMP) Diagnostic and System Updates This bulletin involves reprogramming the AMP with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes (DTCs) have been set: B143B-12 - ANC Microphone 1-Circuit Short To Battery. B143C-12 - ANC…
• 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.
• 10222968Jan 5, 2022Electrical system, Brakes, Fuel system, Electronic stability control…. 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: P04DB - Crankcase Ventilation System Disconnected. P040F - EGR Temperature Sensor A-B Correlation. P225D - Nox Sensor…
• 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.
• 10222962Jan 1, 2022Engine cooling. Emissions Recall Y75 Instrument Panel Cluster Software
• 10222950Jan 1, 2022Engine cooling. MIL Lamp On, DTC P0325 - Knock Sensor 1 Circuit

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