Jeep Wrangler Service Bulletins (2020)

1,021 manufacturer communications on file.

• February 13, 2023•Document ID: 10234376

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  9100134

  Date Added:

  April 17, 2023

  Manufacturer:

  JEEP

  Summary

  Engine When replacing a GMET4 long block from a 2021 JL or older, you will need to carry over the injector wiring harness from the original engine, and the Fuel pressure sensor should be replaced with part number: 68212572AB.

  Associated Products (4)

  2021 Jeep Wrangler2020 Jeep Wrangler2019 Jeep Wrangler2018 Jeep Wrangler
  Associated Documents

  • DownloadMC-10234376-0001.pdf↗
• February 10, 2023•Document ID: 10248014

  Service Bulletin/Repair Instructions
  BACK OVER PREVENTION:SOFTWARE

  Mfr Comm. #:

  0804523

  Date Added:

  January 2, 2024

  Manufacturer:

  RAM

  Summary

  Radio Over The Air Updating to 34.42 Software Version ? Mobile Wi-Fi inoperative upon start up. ? Hotspot gives 9No Internet9 connection message on phone when trying to connect to a device. This bulletin provides information regarding the latest Firmware Over The Air (FOTA) update and provides the service technician an overview of the steps a customer will need to take to complete the update. The radio software will be updated from 34.4 to 34.42.

  Associated Products (16)

  2020 Chrysler 3002020 Chrysler Pacifica2020 Dodge Challenger2020 Dodge Charger2020 Dodge Durango2020 Jeep Cherokee2020 Jeep Compass2020 Jeep Gladiator2020 Jeep Grand Cherokee2020 Jeep Renegade2020 Jeep Wrangler2020 Ram 15002020 Ram 25002020 Ram 35002020 Ram 45002020 Ram 5500
  Associated Documents

  • DownloadMC-10248014-0001.pdf↗
• February 10, 2023•Document ID: 10234487

  Service Bulletin/Repair Instructions
  EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

  Mfr Comm. #:

  0804523

  Date Added:

  April 17, 2023

  Manufacturer:

  DODGE

  Summary

  Radio Over The Air Updating to 34.42 Software Version ? Mobile Wi-Fi inoperative upon start up. ? Hotspot gives 9No Internet9 connection message on phone when trying to connect to a device. This bulletin provides information regarding the latest Firmware Over The Air (FOTA) update and provides the service technician an overview of the steps a customer will need to take to complete the update. The radio software will be updated from 34.4 to 34.42.

  Associated Products (16)

  2020 Chrysler 3002020 Chrysler Pacifica2020 Dodge Challenger2020 Dodge Charger2020 Dodge Durango2020 Jeep Cherokee2020 Jeep Compass2020 Jeep Gladiator2020 Jeep Grand Cherokee2020 Jeep Renegade2020 Jeep Wrangler2020 Ram 15002020 Ram 25002020 Ram 35002020 Ram 45002020 Ram 5500
  Associated Documents

  • DownloadMC-10234487-0001.pdf↗
• February 8, 2023•Document ID: 10248006

  Service Bulletin/Repair Instructions
  VEHICLE SPEED CONTROL

  Mfr Comm. #:

  2302023A

  Date Added:

  January 2, 2024

  Manufacturer:

  JEEP

  Summary

  Corrosion on Door, Hood And/or Swing Gate Hinges Corrosion found on the door, hood and/or swing gate hinge(s). This bulletin involves inspecting and replacing any hinge exhibiting corrosion. The replacement hinge is equipped with a Zinc shim (Fig. 1) .Zinc Shim

  Associated Products (10)

  2023 Jeep Gladiator2023 Jeep Wrangler2022 Jeep Gladiator2022 Jeep Wrangler2021 Jeep Gladiator2021 Jeep Wrangler2020 Jeep Gladiator2020 Jeep Wrangler2019 Jeep Wrangler2018 Jeep Wrangler
  Associated Documents

  • DownloadMC-10248006-0001.pdf↗
• February 8, 2023•Document ID: 10247970

  Service Bulletin/Repair Instructions
  EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

  Mfr Comm. #:

  89079

  Date Added:

  January 2, 2024

  Manufacturer:

  JEEP

  Summary

  Warranty Bulletin D-23-04 2018 - 2023 (Current) Jeep Wrangler (JL) and 2020 - 2023 (Current) Jeep Gladiator (JT) - Corrosion Warranty Claim Simplification

  Associated Products (10)

  2023 Jeep Gladiator2023 Jeep Wrangler2022 Jeep Gladiator2022 Jeep Wrangler2021 Jeep Gladiator2021 Jeep Wrangler2020 Jeep Gladiator2020 Jeep Wrangler2019 Jeep Wrangler2018 Jeep Wrangler
  Associated Documents

  • DownloadMC-10247970-0001.pdf↗
• February 8, 2023•Document ID: 10247942

  Service Bulletin/Repair Instructions
  VISIBILITY

  Mfr Comm. #:

  S2308000012

  Date Added:

  January 2, 2024

  Manufacturer:

  JEEP

  Summary

  Rear Wiper Does Not Turn On

  Associated Products (6)

  2023 Jeep Wrangler2022 Jeep Wrangler2021 Jeep Wrangler2020 Jeep Wrangler2019 Jeep Wrangler2018 Jeep Wrangler
  Associated Documents

  • DownloadMC-10247942-0001.pdf↗
• February 8, 2023•Document ID: 10234479

  Service Bulletin/Repair Instructions
  VEHICLE SPEED CONTROL

  Mfr Comm. #:

  2302023a

  Date Added:

  April 17, 2023

  Manufacturer:

  JEEP

  Summary

  Corrosion on Door, Hood And/or Swing Gate Hinges Corrosion found on the door, hood and/or swing gate hinge(s). This bulletin involves inspecting and replacing any hinge exhibiting corrosion. The replacement hinge is equipped with a Zinc shim (Fig. 1) .Zinc Shim

  Associated Products (10)

  2023 Jeep Gladiator2023 Jeep Wrangler2022 Jeep Gladiator2022 Jeep Wrangler2021 Jeep Gladiator2021 Jeep Wrangler2020 Jeep Gladiator2020 Jeep Wrangler2019 Jeep Wrangler2018 Jeep Wrangler
  Associated Documents

  • DownloadMC-10234479-0001.pdf↗
• February 8, 2023•Document ID: 10234443

  Service Bulletin/Repair Instructions
  EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

  Mfr Comm. #:

  89079

  Date Added:

  April 17, 2023

  Manufacturer:

  JEEP

  Summary

  Warranty Bulletin D-23-04 2018 - 2023 (Current) Jeep Wrangler (JL) and 2020 - 2023 (Current) Jeep Gladiator (JT) - Corrosion Warranty Claim Simplification

  Associated Products (10)

  2023 Jeep Gladiator2023 Jeep Wrangler2022 Jeep Gladiator2022 Jeep Wrangler2021 Jeep Gladiator2021 Jeep Wrangler2020 Jeep Gladiator2020 Jeep Wrangler2019 Jeep Wrangler2018 Jeep Wrangler
  Associated Documents

  • DownloadMC-10234443-0001.pdf↗
• February 6, 2023•Document ID: 10234414

  Service Bulletin/Repair Instructions
  ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); SUSPENSION

  Mfr Comm. #:

  S2302000001

  Date Added:

  April 17, 2023

  Manufacturer:

  JEEP

  Summary

  Service Air Suspension Message In Cluster. C15AD-92-Ride Height System- Performance In Below Freezing Temperatures.

  Associated Products (12)

  2023 Jeep Grand Cherokee2023 Jeep Grand Wagoneer2023 Jeep Wagoneer2023 Jeep Wrangler2022 Jeep Grand Cherokee2022 Jeep Grand Wagoneer2022 Jeep Wagoneer2022 Jeep Wrangler2021 Jeep Grand Cherokee2021 Jeep Wrangler2020 Jeep Wrangler2019 Jeep Wrangler
  Associated Documents

  • DownloadMC-10234414-0001.pdf↗
• February 3, 2023•Document ID: 10247995

  Service Bulletin/Repair Instructions
  STRUCTURE

  Mfr Comm. #:

  3100123

  Date Added:

  January 2, 2024

  Manufacturer:

  DODGE

  Summary

  Aluminum Body Panel Corrosion Repair Aluminum corrosion or bubbling along the leading edge of hood, hinges or other exterior surface areas of the hinges, doors, fenders, swing gates or liftgates. NOTE: **Verify current warranty policy to determine if digital imaging pre authorization is required or Pre Approval is required from Regional Office depending on market.** This bulletin involves inspecting and if necessary removing corrosion and refinishing the suspect aluminum panels on the vehicle, hood, door, fenders, hinges, swing gates or liftgate panels.

  Associated Products (164)

  2023 Alfa Romeo Stelvio2023 Chrysler 3002023 Chrysler Pacifica2023 Dodge Challenger2023 Dodge Charger2023 Jeep Cherokee2023 Jeep Compass2023 Jeep Gladiator2023 Jeep Renegade2023 Jeep Wrangler2023 Ram 15002022 Alfa Romeo Stelvio2022 Chrysler 3002022 Chrysler Pacifica2022 Dodge Challenger2022 Dodge Charger2022 Dodge Durango2022 Jeep Cherokee2022 Jeep Compass2022 Jeep Gladiator+ 144 more
  Associated Documents

  • DownloadMC-10247995-0001.pdf↗
• February 3, 2023•Document ID: 10234468

  Service Bulletin/Repair Instructions
  STRUCTURE

  Mfr Comm. #:

  3100123

  Date Added:

  April 17, 2023

  Manufacturer:

  DODGE

  Summary

  Aluminum Body Panel Corrosion Repair Aluminum corrosion or bubbling along the leading edge of hood, hinges or other exterior surface areas of the hinges, doors, fenders, swing gates or liftgates. NOTE: **Verify current warranty policy to determine if digital imaging pre authorization is required or Pre Approval is required from Regional Office depending on market.** This bulletin involves inspecting and if necessary removing corrosion and refinishing the suspect aluminum panels on the vehicle, hood, door, fenders, hinges, swing gates or liftgate panels.

  Associated Products (158)

  2023 Alfa Romeo Stelvio2023 Chrysler Pacifica2023 Dodge Challenger2023 Dodge Charger2023 Jeep Compass2023 Jeep Gladiator2023 Jeep Grand Cherokee2023 Jeep Renegade2023 Jeep Wrangler2023 Ram 15002022 Alfa Romeo Stelvio2022 Chrysler 3002022 Chrysler Pacifica2022 Dodge Challenger2022 Dodge Charger2022 Dodge Durango2022 Jeep Cherokee2022 Jeep Compass2022 Jeep Gladiator2022 Jeep Grand Cherokee+ 138 more
  Associated Documents

  • DownloadMC-10234468-0001.pdf↗
• February 2, 2023•Document ID: 10247935

  Service Bulletin/Repair Instructions
  STRUCTURE

  Mfr Comm. #:

  S1819000004

  Date Added:

  January 2, 2024

  Manufacturer:

  JEEP

  Summary

  Shimmy Felt In Front End

  Associated Products (5)

  2022 Jeep Wrangler2021 Jeep Wrangler2020 Jeep Wrangler2019 Jeep Wrangler2018 Jeep Wrangler
  Associated Documents

  • DownloadMC-10247935-0001.pdf↗
• February 2, 2023•Document ID: 10234408

  Service Bulletin/Repair Instructions
  STRUCTURE: UNDERRIDE

  Mfr Comm. #:

  S1819000004

  Date Added:

  April 17, 2023

  Manufacturer:

  JEEP

  Summary

  Shimmy Felt In Front End

  Associated Products (5)

  2022 Jeep Wrangler2021 Jeep Wrangler2020 Jeep Wrangler2019 Jeep Wrangler2018 Jeep Wrangler
  Associated Documents

  • DownloadMC-10234408-0001.pdf↗
• February 1, 2023•Document ID: 10247984

  Service Bulletin/Repair Instructions
  VEHICLE SPEED CONTROL

  Mfr Comm. #:

  2302023

  Date Added:

  January 2, 2024

  Manufacturer:

  JEEP

  Summary

  Corrosion on Door hood Swing Gate Hinges Corrosion found on the door, hood and/or swing gate hinge(s). This bulletin involves inspecting and replacing any hinge exhibiting corrosion. The replacement hinge is equipped with a Zinc shim. (Fig. 1) .Zinc Shim

  Associated Products (10)

  2023 Jeep Gladiator2023 Jeep Wrangler2022 Jeep Gladiator2022 Jeep Wrangler2021 Jeep Gladiator2021 Jeep Wrangler2020 Jeep Gladiator2020 Jeep Wrangler2019 Jeep Wrangler2018 Jeep Wrangler
  Associated Documents

  • DownloadMC-10247984-0001.pdf↗
• February 1, 2023•Document ID: 10234457

  Service Bulletin/Repair Instructions
  VEHICLE SPEED CONTROL

  Mfr Comm. #:

  2302023

  Date Added:

  April 17, 2023

  Manufacturer:

  JEEP

  Summary

  Corrosion on Door hood Swing Gate Hinges Corrosion found on the door, hood and/or swing gate hinge(s). This bulletin involves inspecting and replacing any hinge exhibiting corrosion. The replacement hinge is equipped with a Zinc shim. (Fig. 1) .Zinc Shim

  Associated Products (10)

  2023 Jeep Gladiator2023 Jeep Wrangler2022 Jeep Gladiator2022 Jeep Wrangler2021 Jeep Gladiator2021 Jeep Wrangler2020 Jeep Gladiator2020 Jeep Wrangler2019 Jeep Wrangler2018 Jeep Wrangler
  Associated Documents

  • DownloadMC-10234457-0001.pdf↗
• January 31, 2023•Document ID: 10231815

  Service Bulletin/Repair Instructions
  BACK OVER PREVENTION:SOFTWARE

  Mfr Comm. #:

  08-038-23

  Date Added:

  February 13, 2023

  Manufacturer:

  CHRYSLER

  Summary

  Radio Over The Air JR34.3 Updating to JR34.32.Software Version Customers may experience one or more of the following: Not be able to use Mobile Wi-Fi upon start up. Hotspot gives a no Internet connection message on phone when trying to connect to a device. This bulletin provides information regarding the latest Firmware Over The Air (FOTA) update and provides the service technician an overview of the steps a customer will need to take to complete the update. The radio software will be updated from JR34.3 to JR34.32. NOTE: National launch for this FOTA update is expected to begin February 20, 2023.

  Associated Products (29)

  2020 Chrysler 3002020 Chrysler Pacifica2020 Dodge Challenger2020 Dodge Charger2020 Dodge Durango2020 Jeep Cherokee2020 Jeep Compass2020 Jeep Gladiator2020 Jeep Grand Cherokee2020 Jeep Renegade2020 Jeep Wrangler2020 Ram 15002020 Ram 25002020 Ram 35002020 Ram 45002019 Chrysler 3002019 Chrysler Pacifica2019 Dodge Challenger2019 Dodge Charger2019 Dodge Durango+ 9 more
  Associated Documents

  • DownloadMC-10231815-0001.pdf↗
• January 24, 2023•Document ID: 10231792

  Service Bulletin/Repair Instructions
  BACK OVER PREVENTION:SOFTWARE

  Mfr Comm. #:

  08-022-23

  Date Added:

  February 13, 2023

  Manufacturer:

  JEEP

  Summary

  Radio Over The Air Updating to 40.12 Software Version Mobile Wi-Fi inoperative upon start up. Hotspot gives 9No Internet9 connection message on phone when trying to connect to a device. This bulletin provides information regarding the latest Firmware Over The Air (FOTA) update and provides the service technician an overview of the steps a customer will need to take to complete the update. The radio software will be updated from 39.5 to 40.12.

  Associated Products (37)

  2022 Chrysler 3002022 Dodge Challenger2022 Dodge Charger2022 Jeep Cherokee2022 Jeep Gladiator2022 Jeep Grand Cherokee2022 Jeep Renegade2022 Jeep Wrangler2022 Ram 15002021 Chrysler 3002021 Dodge Challenger2021 Dodge Charger2021 Jeep Cherokee2021 Jeep Compass2021 Jeep Gladiator2021 Jeep Grand Cherokee2021 Jeep Renegade2021 Jeep Wrangler2021 Ram 15002021 Ram 2500+ 17 more
  Associated Documents

  • DownloadMC-10231792-0001.pdf↗
• January 24, 2023•Document ID: 10231738

  Service Bulletin/Repair Instructions
  EXTERIOR LIGHTING

  Mfr Comm. #:

  S2318000002

  Date Added:

  February 13, 2023

  Manufacturer:

  JEEP

  Summary

  Malfunction Indicator Lamp (MIL) Illumination. Intake Manifold Runner Valve Diagnostic Trouble Codes (DTCs) Setting In Extreme Cold Ambient Temperatures.

  Associated Products (11)

  2023 Jeep Gladiator2023 Jeep Wrangler2023 Ram 15002022 Jeep Gladiator2022 Jeep Wrangler2022 Ram 15002021 Jeep Gladiator2021 Jeep Wrangler2021 Ram 15002020 Jeep Wrangler2020 Ram 1500
  Associated Documents

  • DownloadMC-10231738-0001.pdf↗
• January 7, 2023•Document ID: 10231769

  Service Bulletin/Repair Instructions
  SERVICE BRAKES, HYDRAULIC; PARKING BRAKE; BACK OVER PREVENTION; ELECTRICAL SYSTEM; EXTERIOR LIGHTING; FUEL SYSTEM, GASOLINE; POWER TRAIN; ENGINE AND ENGINE COOLING; ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC)

  Mfr Comm. #:

  18-003-23

  Date Added:

  February 13, 2023

  Manufacturer:

  JEEP

  Summary

  Flash: Powertrain Control Module (PCM) Updates 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: **P016F - Closed Loop Fuel Pressure Control At Limit - Pressure Too Low. P025C - Fuel Pump Module Control Circuit Low. P208B - Reductant Pump 1 Control Performance. P0300-00 - Multiple Cylinder Misfire (MIL Illuminated During 4WD-LO Only). P0301-00 - Cylinder 1 Misfire (MIL Illuminated During 4WD-LO Only). P0302-00 - Cylinder 2 Misfire (MIL Illuminated During 4WD-LO Only). P0303-00 - Cylinder 3 Misfire (MIL Illuminated During 4WD-LO Only). P0304-00 - Cylinder 4 Misfire (MIL Illuminated During 4WD-LO Only). P0305-00 - Cylinder 5 Misfire (MIL Illuminated During 4WD-LO Only). P0403-00 - EGR Control Circuit Open ? Disabled Fault.** P225D-00 - NOX Sensor 1/1 Performance Signal Stuck Low. P249C-00 - Excessive Time To Enter Closed Loop Reductant Injection Control. P065A - Generator System Performance. P00F4-00 - Humidity Sensor Circuit Low. P20FB-00 - Reductant Pump 2 Control Performance. P200A-00 - Intake Manifold Runner Performance Bank 1. P200B-00 - Intake Manifold Runner Performance Bank 2. P2610 - PCM Internal Engine Off Timer Performance. P0534-00 - AC Refrigerant System A Charge Loss. P04DB-00 - Crankcase Ventilation System Disconnected. P204F-00 - Reductant System Performance. P2199-00 - Intake Air Temperature Sensor 1/2 Correlation. P0087-00 - Fuel Rail Pressure Too Low (with rapid apply and release of accelerator pedal). P0306-00 - Cylinder 6 Misfire. P01CB-00 - Cylinder 1 Injection Timing Performance Over Retarded. P01CC-00 - Cylinder 1 Injection Timing Performance Over Advanced. P01CD-00 - Cylinder 2 Injection Timing Performance Over Retarded. P01CE-00 - Cylinder 2 Injection Timing Performance Over Advanced. P01CF-00 - Cylinder 3 Injection Timing Performance Over Retarded. P01D0-00 - Cylinder 3 Injection Timi

  Associated Products (1)

  2020 Jeep Wrangler
  Associated Documents

  • DownloadMC-10231769-0001.pdf↗
• January 7, 2023•Document ID: 10231714

  Service Bulletin/Repair Instructions
  VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

  Mfr Comm. #:

  S2323000004

  Date Added:

  February 13, 2023

  Manufacturer:

  JEEP

  Summary

  Defogger Is Not Working. Terminal Detached From The Glass.

  Associated Products (15)

  2023 Jeep Gladiator2023 Jeep Wrangler2023 Ram 15002022 Jeep Gladiator2022 Jeep Wrangler2022 Ram 15002021 Jeep Gladiator2021 Jeep Wrangler2021 Ram 15002020 Jeep Gladiator2020 Jeep Wrangler2020 Ram 15002019 Jeep Wrangler2019 Ram 15002018 Jeep Wrangler
  Associated Documents

  • DownloadMC-10231714-0001.pdf↗