Jeep Wrangler Service Bulletins (2021)

1,032 manufacturer communications on file.

• February 22, 2023•Document ID: 10234380

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  9100138

  Date Added:

  April 17, 2023

  Manufacturer:

  JEEP

  Summary

  FILTER KIT, Transmission Oil For leak concerns that have been isolated to a transmission pan gasket, please replace ONLY the gasket. Pan/filter replacement are not required.

  Associated Products (4)

  2024 Jeep Wrangler2023 Jeep Wrangler2022 Jeep Wrangler2021 Jeep Wrangler
  Associated Documents

  • DownloadMC-10234380-0001.pdf↗
• February 22, 2023•Document ID: 10234379

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  9003357a

  Date Added:

  April 17, 2023

  Manufacturer:

  CHRYSLER

  Summary

  ADAPTER, Engine Oil Filter (Pentastar V6) For all 2014MY replace the Oil Filter Adapter (OFA). For any other MY review and follow instructions from the latest STAR Online S1809000007 available on Dealer Connect. Also, consider the following: 1) Remove OFA 2) Replace only the oil inlet O-ring and gaskets (seals kit in SOL above). 3) Re-install the OFA. For 2023MY and beyond use black O-ring. For 2022MY and prior use red O-ring. Note: When replacing OFA, it may be necessary to transfer the Oil Temp/Pressure Sensor from the old OFA to the new OFA.

  Associated Products (32)

  2023 Chrysler 3002023 Chrysler Pacifica2023 Chrysler Voyager2023 Dodge Challenger2023 Dodge Charger2023 Jeep Gladiator2023 Jeep Grand Cherokee2023 Jeep Wrangler2023 Ram 15002022 Chrysler 3002022 Chrysler Pacifica2022 Chrysler Voyager2022 Dodge Challenger2022 Dodge Charger2022 Dodge Durango2022 Jeep Cherokee2022 Jeep Gladiator2022 Jeep Grand Wagoneer2022 Jeep Wagoneer2022 Jeep Wrangler+ 12 more
  Associated Documents

  • DownloadMC-10234379-0001.pdf↗
• February 16, 2023•Document ID: 10247977

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  NotificationZD8

  Date Added:

  January 2, 2024

  Manufacturer:

  JEEP

  Summary

  Customer Satisfaction Notification ZD8 Coolant Leak

  Associated Products (2)

  2022 Jeep Wrangler2021 Jeep Wrangler
  Associated Documents

  • DownloadMC-10247977-0001.pdf↗
• February 15, 2023•Document ID: 10247974

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

  Mfr Comm. #:

  89216

  Date Added:

  January 2, 2024

  Manufacturer:

  JEEP

  Summary

  International Warranty Bulletin ID-23-03 2018 - 2023 (Current) Jeep Wrangler (JL) and 2020 - 2023 (Current) Jeep Gladiator (JT) - Corrosion Warranty Claim Simplification (Rev. A)

  Associated Products (6)

  2023 Jeep Gladiator2023 Jeep Wrangler2022 Jeep Gladiator2022 Jeep Wrangler2021 Jeep Gladiator2021 Jeep Wrangler
  Associated Documents

  • DownloadMC-10247974-0001.pdf↗
• February 15, 2023•Document ID: 10247972

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

  Mfr Comm. #:

  89211

  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 (Rev. A)

  Associated Products (6)

  2023 Jeep Gladiator2023 Jeep Wrangler2022 Jeep Gladiator2022 Jeep Wrangler2021 Jeep Gladiator2021 Jeep Wrangler
  Associated Documents

  • DownloadMC-10247972-0001.pdf↗
• February 15, 2023•Document ID: 10247953

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  S228A000028

  Date Added:

  January 2, 2024

  Manufacturer:

  RAM

  Summary

  Radio Remained On After Ignition Is Switched Off, Dead Battery From Excessive Radio Current Draw

  Associated Products (32)

  2023 Chrysler 3002023 Dodge Challenger2023 Dodge Charger2023 Jeep Gladiator2023 Jeep Renegade2023 Jeep Wrangler2023 Ram 15002022 Chrysler 3002022 Dodge Challenger2022 Dodge Charger2022 Jeep Gladiator2022 Jeep Grand Cherokee2022 Jeep Renegade2022 Jeep Wrangler2022 Ram 15002022 Ram 25002022 Ram 35002022 Ram 45002022 Ram 55002021 Chrysler 300+ 12 more
  Associated Documents

  • DownloadMC-10247953-0001.pdf↗
• February 15, 2023•Document ID: 10234447

  Service Bulletin/Repair Instructions
  COMMUNICATION: VEHICLE TO INFRASTRUCTURE

  Mfr Comm. #:

  89216

  Date Added:

  April 17, 2023

  Manufacturer:

  JEEP

  Summary

  International Warranty Bulletin ID-23-03 2018 - 2023 (Current) Jeep Wrangler (JL) and 2020 - 2023 (Current) Jeep Gladiator (JT) - Corrosion Warranty Claim Simplification (Rev. A)

  Associated Products (6)

  2023 Jeep Gladiator2023 Jeep Wrangler2022 Jeep Gladiator2022 Jeep Wrangler2021 Jeep Gladiator2021 Jeep Wrangler
  Associated Documents

  • DownloadMC-10234447-0001.pdf↗
• February 15, 2023•Document ID: 10234445

  Service Bulletin/Repair Instructions
  COMMUNICATION:MANUFACTURER TELEMATICS

  Mfr Comm. #:

  89211

  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 (Rev. A)

  Associated Products (6)

  2023 Jeep Gladiator2023 Jeep Wrangler2022 Jeep Gladiator2022 Jeep Wrangler2021 Jeep Gladiator2021 Jeep Wrangler
  Associated Documents

  • DownloadMC-10234445-0001.pdf↗
• February 15, 2023•Document ID: 10234424

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  S228A000028

  Date Added:

  April 17, 2023

  Manufacturer:

  DODGE

  Summary

  Radio Remained On After Ignition Is Switched Off, Dead Battery From Excessive Radio Current Draw

  Associated Products (27)

  2023 Dodge Challenger2023 Dodge Charger2023 Jeep Gladiator2023 Jeep Grand Cherokee2023 Jeep Renegade2023 Jeep Wrangler2022 Chrysler 3002022 Dodge Challenger2022 Dodge Charger2022 Jeep Cherokee2022 Jeep Gladiator2022 Jeep Renegade2022 Jeep Wrangler2021 Chrysler 3002021 Dodge Challenger2021 Dodge Charger2021 Jeep Cherokee2021 Jeep Compass2021 Jeep Gladiator2021 Jeep Grand Cherokee+ 7 more
  Associated Documents

  • DownloadMC-10234424-0001.pdf↗
• February 14, 2023•Document ID: 10247905

  Service Bulletin/Repair Instructions
  BACK OVER PREVENTION

  Mfr Comm. #:

  9003357

  Date Added:

  January 2, 2024

  Manufacturer:

  DODGE

  Summary

  ADAPTER, Engine Oil Filter (Pentastar V6) For all 2014MY replace the Oil Filter Adapter (OFA). For any other MY (with mileage above 30,000) review and follow instructions from STAR Online S1809000007 REV. C available on Dealer Connect. Also, consider the following: 1) Remove OFA 2) Replace only the oil inlet O-ring and gaskets (seals kit in SOL above). 3) Re-install the OFA. For 2023MY and beyond use black O-ring. For 2022MY and prior use red O-ring. Note: When replacing OFA, it may be necessary to transfer the Oil Temp/Pressure Sensor from the old OFA to the new OFA.

  Associated Products (32)

  2023 Chrysler 3002023 Chrysler Pacifica2023 Chrysler Voyager2023 Dodge Challenger2023 Dodge Charger2023 Jeep Gladiator2023 Jeep Wrangler2023 Ram 15002022 Chrysler 3002022 Chrysler Pacifica2022 Chrysler Voyager2022 Dodge Challenger2022 Dodge Charger2022 Dodge Durango2022 Jeep Cherokee2022 Jeep Gladiator2022 Jeep Grand Cherokee2022 Jeep Grand Wagoneer2022 Jeep Wagoneer2022 Jeep Wrangler+ 12 more
  Associated Documents

  • DownloadMC-10247905-0001.pdf↗
• February 14, 2023•Document ID: 10234420

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  S1408000384

  Date Added:

  April 17, 2023

  Manufacturer:

  JEEP

  Summary

  Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor (IBS) State of Charge (SOC) Inaccurate, Battery Charging Message, Presence of IBS related Diagnostic Trouble Codes (DTCs), or Battery Warning Lamp On

  Associated Products (60)

  2023 Alfa Romeo Stelvio2023 Chrysler 3002023 Chrysler Pacifica2023 Chrysler Voyager2023 Dodge Challenger2023 Dodge Charger2023 Jeep Compass2023 Jeep Gladiator2023 Jeep Grand Cherokee2023 Jeep Grand Wagoneer2023 Jeep Renegade2023 Jeep Wagoneer2023 Jeep Wrangler2023 Ram 15002023 Ram 25002023 Ram 35002023 Ram 45002023 Ram 55002022 Alfa Romeo Stelvio2022 Chrysler 300+ 40 more
  Associated Documents

  • DownloadMC-10234420-0001.pdf↗
• February 14, 2023•Document ID: 10234378

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  9003357

  Date Added:

  April 17, 2023

  Manufacturer:

  JEEP

  Summary

  ADAPTER, Engine Oil Filter (Pentastar V6) For all 2014MY replace the Oil Filter Adapter (OFA). For any other MY (with mileage above 30,000) review and follow instructions from STAR Online S1809000007 REV. C available on Dealer Connect. Also, consider the following: 1) Remove OFA 2) Replace only the oil inlet O-ring and gaskets (seals kit in SOL above). 3) Re-install the OFA. For 2023MY and beyond use black O-ring. For 2022MY and prior use red O-ring. Note: When replacing OFA, it may be necessary to transfer the Oil Temp/Pressure Sensor from the old OFA to the new OFA.

  Associated Products (31)

  2023 Chrysler 3002023 Chrysler Pacifica2023 Chrysler Voyager2023 Dodge Challenger2023 Dodge Charger2023 Jeep Gladiator2023 Jeep Grand Cherokee2023 Jeep Wrangler2023 Ram 15002022 Chrysler 3002022 Chrysler Pacifica2022 Chrysler Voyager2022 Dodge Challenger2022 Dodge Charger2022 Dodge Durango2022 Jeep Cherokee2022 Jeep Gladiator2022 Jeep Wagoneer2022 Jeep Wrangler2022 Ram 1500+ 11 more
  Associated Documents

  • DownloadMC-10234378-0001.pdf↗
• February 13, 2023•Document ID: 10247903

  Service Bulletin/Repair Instructions
  SERVICE BRAKES; BACK OVER PREVENTION; FUEL SYSTEM, GASOLINE

  Mfr Comm. #:

  9100134

  Date Added:

  January 2, 2024

  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 (1)

  2021 Jeep Wrangler
  Associated Documents

  • DownloadMC-10247903-0001.pdf↗
• 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 (1)

  2021 Jeep Wrangler
  Associated Documents

  • DownloadMC-10234376-0001.pdf↗
• February 10, 2023•Document ID: 10248015

  Service Bulletin/Repair Instructions
  EXTERIOR LIGHTING; POWER TRAIN; ELECTRICAL SYSTEM; BACK OVER PREVENTION

  Mfr Comm. #:

  0804823

  Date Added:

  January 2, 2024

  Manufacturer:

  JEEP

  Summary

  Flash: Battery Pack Control Module (BPCM) Diagnostic and System Updates Customers may experience a false Malfunction Indicator Lamp (MIL) illumination related to PHEV battery: ? P1A21-00 - HV Battery Contactor Control Sequence Incorrect. ? P0B3E-00 - Hybrid/EV Battery Voltage Sense 1 Circuit High. ? P0607-00 - ECU Internal Performance. ? P1E1B-00 - Hybrid/EV Battery Side Voltage System Isolation. ? P0AA4-00 - Hybrid Battery Negative Contactor Circuit Stuck Closed. ? 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 Temperature Sensor 1 Out Of Range High. ? P0BBD-00 - Hybrid Battery Pack Voltage Variation Exceeded Limit. ? P167B-00 - Controlled System Shutdown. ? U1885-00 - Battery Energy Control Module Lost Communication With HCP. ? P0EDD-00 - Hybrid/EV Battery Pack B Deterioration. ? U0111 - Lost Communication With Hybrid Battery Pack Sensor Module. ? P0CA7-00 - Hybrid/EV Battery Discharging Current High. ? P1A0C-00 - Battery Energy Control Module System Voltage Low. This bulletin involves updating the BPCM with the latest available software. NOTE: Additional module flashes are required for this update to be effective, the following modules are all to be updated along with this BPCM update: ? Powertrain Control Module (PCM). ? Integrated Dual Charging Module (IDCM). ? Transmission Control Module (TCM). ? Battery Pack Control Module (BPCM). ? Hybrid Control Processor (HCP), Auxiliary Hybrid Control Processor (AHCP) also known as the Power Inverter Module (PIM).

  Associated Products (1)

  2021 Jeep Wrangler
  Associated Documents

  • DownloadMC-10248015-0001.pdf↗
• February 10, 2023•Document ID: 10248013

  Service Bulletin/Repair Instructions
  EXTERIOR LIGHTING; POWER TRAIN; ELECTRICAL SYSTEM

  Mfr Comm. #:

  0804723

  Date Added:

  January 2, 2024

  Manufacturer:

  JEEP

  Summary

  Flash: Integrated Dual Charging Module (IDCM) Enhancements Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following DTCs have been set: ? **B22A9-16 - ECU Internal Performance-Circuit Voltage Below Threshold. ? B22A9-17 - ECU Internal Performance-Circuit Voltage Above Threshold. ? B22A9-19 - ECU Internal Performance-Overcurrent.** ? B22A9-64 - ECU Internal Performance-Signal Plausibility Failure. ? P0D27-00 - Battery Charger 1 Input Voltage Too Low. Customer may also experience the following: ? **Unable to charge the vehicle with level 2 charger.** ? Vehicle would not charge and the charge station circuit breaker in the house / receptacle trips when its plugged into the vehicle. This bulletin involves reprogramming the IDCM with the latest software available. NOTE: Additional module flashes are required for this update to be effective, the following modules are all to be updated along with this IDCM update: ? Powertrain Control Module (PCM). ? Integrated Dual Charging Module (IDCM). ? Transmission Control Module (TCM). ? Battery Pack Control Module (BPCM). ? Hybrid Control Processor (HCP), Auxiliary Hybrid Control Processor (AHCP) also known as the Power Inverter Module (PIM).

  Associated Products (1)

  2021 Jeep Wrangler
  Associated Documents

  • DownloadMC-10248013-0001.pdf↗
• February 10, 2023•Document ID: 10234488

  Service Bulletin/Repair Instructions
  BACK OVER PREVENTION; POWER TRAIN; EXTERIOR LIGHTING; ELECTRICAL SYSTEM

  Mfr Comm. #:

  0804823

  Date Added:

  April 17, 2023

  Manufacturer:

  JEEP

  Summary

  Flash: Battery Pack Control Module (BPCM) Diagnostic and System Updates Customers may experience a false Malfunction Indicator Lamp (MIL) illumination related to PHEV battery: ? P1A21-00 - HV Battery Contactor Control Sequence Incorrect. ? P0B3E-00 - Hybrid/EV Battery Voltage Sense 1 Circuit High. ? P0607-00 - ECU Internal Performance. ? P1E1B-00 - Hybrid/EV Battery Side Voltage System Isolation. ? P0AA4-00 - Hybrid Battery Negative Contactor Circuit Stuck Closed. ? 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 Temperature Sensor 1 Out Of Range High. ? P0BBD-00 - Hybrid Battery Pack Voltage Variation Exceeded Limit. ? P167B-00 - Controlled System Shutdown. ? U1885-00 - Battery Energy Control Module Lost Communication With HCP. ? P0EDD-00 - Hybrid/EV Battery Pack B Deterioration. ? U0111 - Lost Communication With Hybrid Battery Pack Sensor Module. ? P0CA7-00 - Hybrid/EV Battery Discharging Current High. ? P1A0C-00 - Battery Energy Control Module System Voltage Low. This bulletin involves updating the BPCM with the latest available software. NOTE: Additional module flashes are required for this update to be effective, the following modules are all to be updated along with this BPCM update: ? Powertrain Control Module (PCM). ? Integrated Dual Charging Module (IDCM). ? Transmission Control Module (TCM). ? Battery Pack Control Module (BPCM). ? Hybrid Control Processor (HCP), Auxiliary Hybrid Control Processor (AHCP) also known as the Power Inverter Module (PIM).

  Associated Products (1)

  2021 Jeep Wrangler
  Associated Documents

  • DownloadMC-10234488-0001.pdf↗
• February 10, 2023•Document ID: 10234486

  Service Bulletin/Repair Instructions
  POWER TRAIN; EXTERIOR LIGHTING; ELECTRICAL SYSTEM

  Mfr Comm. #:

  0804723

  Date Added:

  April 17, 2023

  Manufacturer:

  JEEP

  Summary

  Flash: Integrated Dual Charging Module (IDCM) Enhancements Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following DTCs have been set: ? **B22A9-16 - ECU Internal Performance-Circuit Voltage Below Threshold. ? B22A9-17 - ECU Internal Performance-Circuit Voltage Above Threshold. ? B22A9-19 - ECU Internal Performance-Overcurrent.** ? B22A9-64 - ECU Internal Performance-Signal Plausibility Failure. ? P0D27-00 - Battery Charger 1 Input Voltage Too Low. Customer may also experience the following: ? **Unable to charge the vehicle with level 2 charger.** ? Vehicle would not charge and the charge station circuit breaker in the house / receptacle trips when its plugged into the vehicle. This bulletin involves reprogramming the IDCM with the latest software available. NOTE: Additional module flashes are required for this update to be effective, the following modules are all to be updated along with this IDCM update: ? Powertrain Control Module (PCM). ? Integrated Dual Charging Module (IDCM). ? Transmission Control Module (TCM). ? Battery Pack Control Module (BPCM). ? Hybrid Control Processor (HCP), Auxiliary Hybrid Control Processor (AHCP) also known as the Power Inverter Module (PIM).

  Associated Products (1)

  2021 Jeep Wrangler
  Associated Documents

  • DownloadMC-10234486-0001.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 (6)

  2023 Jeep Gladiator2023 Jeep Wrangler2022 Jeep Gladiator2022 Jeep Wrangler2021 Jeep Gladiator2021 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 (6)

  2023 Jeep Gladiator2023 Jeep Wrangler2022 Jeep Gladiator2022 Jeep Wrangler2021 Jeep Gladiator2021 Jeep Wrangler
  Associated Documents

  • DownloadMC-10247970-0001.pdf↗