Jeep Wrangler Service Bulletins (2020)

1,021 manufacturer communications on file.

August 6, 2021•Document ID: 10218559
Service Bulletin/Repair Instructions
ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL
Mfr Comm. #:
08-133-21
Date Added:
August 22, 2022
Manufacturer:
JEEP
Summary
UAQ and UCQ Radio Enhancements This bulletin involves inspecting and if required, updating the radio software level to: 39.6.The repair procedure must be followed step by step. If the radio is not updated with the correct software level at the correct time the radio can be damaged. If the radio was damaged by not following the repairprocedure the radio may need to be replaced. Customers may experience one or more of the following: Lost radio presets. SXM favorite song not displaying/playing. Radio display screen is black, intermittent. Radio freeze intermittent. Incorrect navigation address/location/directions. Bluetooth pair or connection issue. Radio channel change by itself. SXM icon inoperative. Backup camera has black display screen. High pitch chime noise. Contact list not loading. Device not supported message. Remote app inoperative. Travel-Link fuel price incorrect. Backup camera gridlines missing. Unable to adjust volume. In addition the following enhancements are included: Heavy Duty (HD)Truck USB HUB improvements. HD Truck heated steering wheel improvements.
Associated Products (14)
2021 Jeep Gladiator 2021 Jeep Wrangler 2021 Ram 1500 2020 Jeep Gladiator 2020 Jeep Wrangler 2020 Ram 1500 2019 Jeep Wrangler 2019 Ram 1500 2018 Jeep Wrangler 2018 Ram 1500 2018 Ram 2500 2018 Ram 3500 2018 Ram 4500 2018 Ram 5500
Associated Documents
- Download MC-10218559-0001.pdf↗
August 4, 2021•Document ID: 10219934
Service Bulletin/Repair Instructions
LANE DEPARTURE: BLIND SPOT DETECTION; AIR BAGS
Mfr Comm. #:
S2108000184REVA
Date Added:
September 15, 2022
Manufacturer:
JEEP
Summary
Cluster Warnings To Service SOS System, Service Air Bag System, Blind Spot Unavailable, Or Park Sense Not Available Messages
Associated Products (3)
2020 Jeep Wrangler 2019 Jeep Wrangler 2018 Jeep Wrangler
Associated Documents
- Download MC-10219934-0001.pdf↗
August 4, 2021•Document ID: 10218474
Service Bulletin/Repair Instructions
AIR BAGS: AIR BAG/RESTRAINT CONTROL MODULE:SOFTWARE
Mfr Comm. #:
S2108000184
Date Added:
August 22, 2022
Manufacturer:
JEEP
Summary
Cluster Warnings To Service SOS System, Service Air Bag System, Blind Spot Unavailable, Or Park Sense Not Available Messages
Associated Products (3)
2020 Jeep Wrangler 2019 Jeep Wrangler 2018 Jeep Wrangler
Associated Documents
- Download MC-10218474-0001.pdf↗
August 3, 2021•Document ID: 10218548
Service Bulletin/Repair Instructions
STRUCTURE:BODY:HATCHBACK/LIFTGATE:SUPPORT DEVICE/STRUT; UNKNOWN OR OTHER
Mfr Comm. #:
23-001-21
Date Added:
August 22, 2022
Manufacturer:
JEEP
Summary
Rear Glass Prop Rod Failure This bulletin involves inspecting the rear backlite prop rod Julian dates and possibly replacing both prop rods. Customer may comment on the following:Rear glass fails to stay in the open position (prop rods will not support glass).
Associated Products (1)
2020 Jeep Wrangler
Associated Documents
- Download MC-10218548-0001.pdf↗
August 2, 2021•Document ID: 10219933
Service Bulletin/Repair Instructions
VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM
Mfr Comm. #:
S2124000011
Date Added:
September 15, 2022
Manufacturer:
JEEP
Summary
Customer indicates that the ESS functionality is not operational while using different functions of the HVAC system.
Associated Products (2)
2021 Jeep Wrangler 2020 Jeep Wrangler
Associated Documents
- Download MC-10219933-0001.pdf↗
August 2, 2021•Document ID: 10218473
Service Bulletin/Repair Instructions
VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:AIR HANDLER/CHAMBER, DUCTS, AND VALVES
Mfr Comm. #:
S2124000011
Date Added:
August 22, 2022
Manufacturer:
JEEP
Summary
Customer indicates that the ESS functionality is not operational while using different functions of the HVAC system.
Associated Products (2)
2021 Jeep Wrangler 2020 Jeep Wrangler
Associated Documents
- Download MC-10218473-0001.pdf↗
July 27, 2021•Document ID: 10230217
Service Bulletin/Repair Instructions
ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
Mfr Comm. #:
S2118000011
Date Added:
January 17, 2023
Manufacturer:
JEEP
Summary
Diagnostic Trouble Code (DTC) P049B ? EGR B Insufficient Flow Detected, Additional Diagnostics.
Associated Products (5)
2021 Jeep Gladiator 2021 Jeep Wrangler 2021 Ram 1500 2020 Jeep Wrangler 2020 Ram 1500
Associated Documents
- Download MC-10230217-0001.pdf↗
July 27, 2021•Document ID: 10221631
Service Bulletin/Repair Instructions
ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR:INTEGRATED STARTER(OTHER THAN PROPULSION)
Mfr Comm. #:
S2118000011
Date Added:
September 26, 2022
Manufacturer:
RAM
Summary
Diagnostic Trouble Code (DTC) P049B ? EGR B Insufficient Flow Detected, Additional Diagnostics.
Associated Products (5)
2021 Jeep Gladiator 2021 Jeep Wrangler 2021 Ram 1500 2020 Jeep Wrangler 2020 Ram 1500
Associated Documents
- Download MC-10221631-0001.pdf↗
July 21, 2021•Document ID: 10230205
Service Bulletin/Repair Instructions
ELECTRICAL SYSTEM; VEHICLE SPEED CONTROL
Mfr Comm. #:
S2108000172
Date Added:
January 17, 2023
Manufacturer:
JEEP
Summary
Stop Start Feature Is Inoperative, MIL Lamp On, Hood Switch DTC?s
Associated Products (6)
2021 Jeep Gladiator 2021 Jeep Wrangler 2020 Jeep Gladiator 2020 Jeep Wrangler 2019 Jeep Wrangler 2018 Jeep Wrangler
Associated Documents
- Download MC-10230205-0001.pdf↗
July 21, 2021•Document ID: 10221619
Service Bulletin/Repair Instructions
VEHICLE SPEED CONTROL; ELECTRICAL SYSTEM
Mfr Comm. #:
S2108000172
Date Added:
September 26, 2022
Manufacturer:
JEEP
Summary
Stop Start Feature Is Inoperative, MIL Lamp On, Hood Switch DTC?s
Associated Products (6)
2021 Jeep Gladiator 2021 Jeep Wrangler 2020 Jeep Gladiator 2020 Jeep Wrangler 2019 Jeep Wrangler 2018 Jeep Wrangler
Associated Documents
- Download MC-10221619-0001.pdf↗
July 19, 2021•Document ID: 10230204
Service Bulletin/Repair Instructions
SERVICE BRAKES, HYDRAULIC; FUEL SYSTEM, GASOLINE; EXTERIOR LIGHTING
Mfr Comm. #:
S1925000008
Date Added:
January 17, 2023
Manufacturer:
RAM
Summary
Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Codes (DTCs) P208B ? Reductant Pump 1 Control Performance, and/or P20E8 ? Reductant Pressure Too Low, Set.
Associated Products (11)
2021 Jeep Gladiator 2021 Jeep Wrangler 2021 Ram 1500 2020 Jeep Wrangler 2020 Ram 1500 2019 Jeep Grand Cherokee 2019 Ram 1500 2018 Jeep Grand Cherokee 2018 Ram 1500 2017 Jeep Grand Cherokee 2017 Ram 1500
Associated Documents
- Download MC-10230204-0001.pdf↗
July 19, 2021•Document ID: 10221618
Service Bulletin/Repair Instructions
EXTERIOR LIGHTING; FUEL SYSTEM, GASOLINE; SERVICE BRAKES, HYDRAULIC
Mfr Comm. #:
S1925000008
Date Added:
September 26, 2022
Manufacturer:
JEEP
Summary
Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Codes (DTCs) P208B ? Reductant Pump 1 Control Performance, and/or P20E8 ? Reductant Pressure Too Low, Set.
Associated Products (11)
2021 Jeep Gladiator 2021 Jeep Wrangler 2021 Ram 1500 2020 Jeep Wrangler 2020 Ram 1500 2019 Jeep Grand Cherokee 2019 Ram 1500 2018 Jeep Grand Cherokee 2018 Ram 1500 2017 Jeep Grand Cherokee 2017 Ram 1500
Associated Documents
- Download MC-10221618-0001.pdf↗
July 16, 2021•Document ID: 10230258
Service Bulletin/Repair Instructions
POWER TRAIN; ELECTRICAL SYSTEM
Mfr Comm. #:
2102421
Date Added:
January 17, 2023
Manufacturer:
JEEP
Summary
Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. Customers may experience one or both of the following conditions: A Malfunction Indicator Lamp (MIL) event or failure with no Diagnostic Trouble Codes (DTCs) and the vehicle has less than 644 km (400 miles) on the odometer indicates it is likely the vehicle has experienced an unintentional code clear event.
Associated Products (1)
2020 Jeep Wrangler
Associated Documents
- Download MC-10230258-0001.pdf↗
July 16, 2021•Document ID: 10221672
Service Bulletin/Repair Instructions
POWER TRAIN; EXTERIOR LIGHTING; ELECTRICAL SYSTEM
Mfr Comm. #:
2102421
Date Added:
September 26, 2022
Manufacturer:
JEEP
Summary
Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. Customers may experience one or both of the following conditions: A Malfunction Indicator Lamp (MIL) event or failure with no Diagnostic Trouble Codes (DTCs) and the vehicle has less than 644 km (400 miles) on the odometer indicates it is likely the vehicle has experienced an unintentional code clear event.
Associated Products (1)
2020 Jeep Wrangler
Associated Documents
- Download MC-10221672-0001.pdf↗
July 16, 2021•Document ID: 10230194
Service Bulletin/Repair Instructions
PARKING BRAKE
Mfr Comm. #:
S2108000170
Date Added:
January 17, 2023
Manufacturer:
JEEP
Summary
Head unit button stuck DTC code B14DA-2A
Associated Products (62)
2021 Chrysler 300 2021 Chrysler Pacifica 2021 Chrysler Voyager 2021 Dodge Challenger 2021 Dodge Charger 2021 Jeep Cherokee 2021 Jeep Compass 2021 Jeep Gladiator 2021 Jeep Grand Cherokee 2021 Jeep Renegade 2021 Jeep Wrangler 2021 Ram 1500 2021 Ram 2500 2021 Ram 3500 2021 Ram 4500 2021 Ram 5500 2020 Chrysler 300 2020 Chrysler Pacifica 2020 Chrysler Voyager 2020 Dodge Challenger+ 42 more
Associated Documents
- Download MC-10230194-0001.pdf↗
July 16, 2021•Document ID: 10221608
Service Bulletin/Repair Instructions
PARKING BRAKE
Mfr Comm. #:
S2108000170
Date Added:
September 26, 2022
Manufacturer:
DODGE
Summary
Head unit button stuck DTC code B14DA-2A
Associated Products (60)
2021 Chrysler 300 2021 Chrysler Pacifica 2021 Dodge Challenger 2021 Dodge Charger 2021 Jeep Cherokee 2021 Jeep Compass 2021 Jeep Gladiator 2021 Jeep Grand Cherokee 2021 Jeep Renegade 2021 Jeep Wrangler 2021 Ram 1500 2021 Ram 2500 2021 Ram 3500 2021 Ram 4500 2021 Ram 5500 2020 Chrysler 300 2020 Chrysler Pacifica 2020 Dodge Challenger 2020 Dodge Charger 2020 Dodge Durango+ 40 more
Associated Documents
- Download MC-10221608-0001.pdf↗
July 15, 2021•Document ID: 10230190
Service Bulletin/Repair Instructions
ELECTRICAL SYSTEM
Mfr Comm. #:
S2108000167
Date Added:
January 17, 2023
Manufacturer:
JEEP
Summary
Air Bag Lamp On, DTC B00DF-95 Passenger Restraints Disable Switch-Incorrect Assembly
Associated Products (4)
2021 Jeep Wrangler 2020 Jeep Wrangler 2019 Jeep Wrangler 2018 Jeep Wrangler
Associated Documents
- Download MC-10230190-0001.pdf↗
July 15, 2021•Document ID: 10221604
Service Bulletin/Repair Instructions
ELECTRICAL SYSTEM
Mfr Comm. #:
S2108000167
Date Added:
September 26, 2022
Manufacturer:
JEEP
Summary
Air Bag Lamp On, DTC B00DF-95 Passenger Restraints Disable Switch-Incorrect Assembly
Associated Products (4)
2021 Jeep Wrangler 2020 Jeep Wrangler 2019 Jeep Wrangler 2018 Jeep Wrangler
Associated Documents
- Download MC-10221604-0001.pdf↗
July 9, 2021•Document ID: 10230183
Service Bulletin/Repair Instructions
ELECTRICAL SYSTEM
Mfr Comm. #:
S2108000163
Date Added:
January 17, 2023
Manufacturer:
JEEP
Summary
No Start, Cannot Complete Module Replace, Proxi Or Module Proxi Configuration
Associated Products (180)
2021 Alfa Romeo Stelvio 2021 Chrysler 300 2021 Chrysler Pacifica 2021 Chrysler Voyager 2021 Dodge Challenger 2021 Dodge Charger 2021 Dodge Durango 2021 Fiat 500X 2021 Jeep Cherokee 2021 Jeep Compass 2021 Jeep Gladiator 2021 Jeep Grand Cherokee 2021 Jeep Grand Wagoneer 2021 Jeep Renegade 2021 Jeep Wrangler 2021 Ram 1500 2021 Ram 2500 2021 Ram 3500 2021 Ram 4500 2021 Ram 5500+ 160 more
Associated Documents
- Download MC-10230183-0001.pdf↗
July 9, 2021•Document ID: 10221597
Service Bulletin/Repair Instructions
ELECTRICAL SYSTEM
Mfr Comm. #:
S2108000163
Date Added:
September 26, 2022
Manufacturer:
RAM
Summary
No Start, Cannot Complete Module Replace, Proxi Or Module Proxi Configuration
Associated Products (180)
2021 Alfa Romeo Stelvio 2021 Chrysler 300 2021 Chrysler Pacifica 2021 Chrysler Voyager 2021 Dodge Challenger 2021 Dodge Charger 2021 Dodge Durango 2021 Fiat 500X 2021 Jeep Cherokee 2021 Jeep Compass 2021 Jeep Gladiator 2021 Jeep Grand Cherokee 2021 Jeep Grand Wagoneer 2021 Jeep Renegade 2021 Jeep Wrangler 2021 Ram 1500 2021 Ram 2500 2021 Ram 3500 2021 Ram 4500 2021 Ram 5500+ 160 more
Associated Documents
- Download MC-10221597-0001.pdf↗

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