Jeep Wrangler Service Bulletins

1,423 manufacturer communications on file.

• May 15, 2026•Document ID: 11032847

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  21-041-26

  Date Added:

  May 20, 2026

  Manufacturer:

  JEEP

  Summary

  Transmission Auxiliary Oil Pump Failure Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● P0B0D-00 - Electric/Auxiliary Transmission Fluid Pump Motor Control Module. Customers may also comment on the following: ● Vehicle is in limp mode This bulletin involves replacing the transmission oil pump.

  Associated Products (13)

  2025 Jeep Grand Cherokee2025 Jeep Grand Cherokee L2025 Jeep Wrangler2024 Jeep Grand Cherokee2024 Jeep Grand Cherokee L2024 Jeep Wrangler2023 Jeep Grand Cherokee2023 Jeep Grand Cherokee L2023 Jeep Wrangler2022 Jeep Grand Cherokee2022 Jeep Grand Cherokee L2022 Jeep Wrangler2021 Jeep Wrangler
  Associated Documents

  • DownloadMC-11032847-0001.pdf↗
• May 13, 2026•Document ID: 11032870

  Warranty Program/Extension
  ENGINE

  Mfr Comm. #:

  112147

  Date Added:

  May 20, 2026

  Manufacturer:

  JEEP

  Summary

  D-26-11 (XC2) 2.0L PHEV Engine - Select 2024 - 2025 Jeep Wrangler (JL) and 2023 - 2025 Grand Cherokee/ Grand Cherokee L (WL)

  Associated Products (8)

  2025 Jeep Grand Cherokee2025 Jeep Grand Cherokee L2025 Jeep Wrangler2024 Jeep Grand Cherokee2024 Jeep Grand Cherokee L2024 Jeep Wrangler2023 Jeep Grand Cherokee2023 Jeep Grand Cherokee L
  Associated Documents

  • DownloadMC-11032870-0001.pdf↗
• May 13, 2026•Document ID: 11032869

  Warranty Program/Extension
  ENGINE

  Mfr Comm. #:

  112149

  Date Added:

  May 20, 2026

  Manufacturer:

  JEEP

  Summary

  ID-26-24 (XC2) 2.0L PHEV Engine - Select 2024 - 2025 Jeep Wrangler (JL) and 2023 - 2025 Grand Cherokee/ Grand Cherokee L (WL)

  Associated Products (8)

  2025 Jeep Grand Cherokee2025 Jeep Grand Cherokee L2025 Jeep Wrangler2024 Jeep Grand Cherokee2024 Jeep Grand Cherokee L2024 Jeep Wrangler2023 Jeep Grand Cherokee2023 Jeep Grand Cherokee L
  Associated Documents

  • DownloadMC-11032869-0001.pdf↗
• May 13, 2026•Document ID: 11032865

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  111834

  Date Added:

  May 20, 2026

  Manufacturer:

  JEEP

  Summary

  SENSOR – KNOCK

  Associated Products (52)

  2026 Chrysler Pacifica2026 Chrysler Voyager2026 Dodge Charger2026 Dodge Durango2026 Jeep Gladiator2026 Jeep Grand Cherokee2026 Jeep Grand Cherokee L2026 Jeep Grand Wagoneer2026 Jeep Wrangler2026 Ram 15002025 Chrysler Pacifica2025 Chrysler Voyager2025 Dodge Charger2025 Dodge Durango2025 Jeep Gladiator2025 Jeep Grand Cherokee2025 Jeep Grand Cherokee L2025 Jeep Grand Wagoneer2025 Jeep Wagoneer2025 Jeep Wrangler+ 32 more
  Associated Documents

  • DownloadMC-11032865-0001.pdf↗
• May 13, 2026•Document ID: 11032864

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  111833

  Date Added:

  May 20, 2026

  Manufacturer:

  CHRYSLER

  Summary

  SENSOR – KNOCK

  Associated Products (52)

  2026 Chrysler Pacifica2026 Chrysler Voyager2026 Dodge Charger2026 Dodge Durango2026 Jeep Gladiator2026 Jeep Grand Cherokee2026 Jeep Grand Cherokee L2026 Jeep Grand Wagoneer2026 Jeep Wrangler2026 Ram 15002025 Chrysler Pacifica2025 Chrysler Voyager2025 Dodge Charger2025 Dodge Durango2025 Jeep Gladiator2025 Jeep Grand Cherokee2025 Jeep Grand Cherokee L2025 Jeep Grand Wagoneer2025 Jeep Wagoneer2025 Jeep Wrangler+ 32 more
  Associated Documents

  • DownloadMC-11032864-0001.pdf↗
• May 13, 2026•Document ID: 11032844

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  09-009-26

  Date Added:

  May 20, 2026

  Manufacturer:

  JEEP

  Summary

  PHEV Engine Replacement XC2 Warranty Extension Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P2336 - Cylinder 1 Above Knock/Combustion Vibration Sensor Threshold. ● P2337 - Cylinder 2 Above Knock/Combustion Vibration Sensor Threshold. ● P2338 - Cylinder 3 Above Knock/Combustion Vibration Sensor Threshold. ● P2339 - Cylinder 4 Above Knock/Combustion Vibration Sensor Threshold. The customer may also describe the following: ● A knocking noise from the engine compartment This bulletin involves replacing the engine.

  Associated Products (8)

  2025 Jeep Grand Cherokee2025 Jeep Grand Cherokee L2025 Jeep Wrangler2024 Jeep Grand Cherokee2024 Jeep Grand Cherokee L2024 Jeep Wrangler2023 Jeep Grand Cherokee2023 Jeep Grand Cherokee L
  Associated Documents

  • DownloadMC-11032844-0001.pdf↗
• May 13, 2026•Document ID: 11032842

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  08-208-26 REV. A

  Date Added:

  May 20, 2026

  Manufacturer:

  RAM

  Summary

  Radio Message "Power Surge On USB Detected" Customers may comment on the following: ● The radio displays the message: “Power surge on USB hub detected” Fig. 1. NOTE: After the message appears, no USB devices function in the hub (no charging, no data). NOTE: Hub operation does not return until the vehicle undergoes a full key cycle.

  Associated Products (82)

  2026 Chrysler Pacifica2026 Chrysler Voyager2026 Dodge Charger2026 Dodge Durango2026 Jeep Cherokee2026 Jeep Compass2026 Jeep Gladiator2026 Jeep Grand Cherokee2026 Jeep Grand Cherokee L2026 Jeep Grand Wagoneer2026 Jeep Wagoneer S2026 Jeep Wrangler2026 Ram 15002026 Ram 25002026 Ram 35002025 Chrysler Pacifica2025 Chrysler Voyager2025 Dodge Charger2025 Dodge Durango2025 Jeep Compass+ 62 more
  Associated Documents

  • DownloadMC-11032842-0001.pdf↗
• May 7, 2026•Document ID: 11032824

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  08-208-26

  Date Added:

  May 20, 2026

  Manufacturer:

  DODGE

  Summary

  Radio Message "Power Surge On USB Detected" Customers may comment on the following: ● The radio displays the message: “Power surge on USB hub detected” Fig. 1. NOTE: After the message appears, no USB devices function in the hub (no charging, no data). NOTE: Hub operation does not return until the vehicle undergoes a full key cycle

  Associated Products (81)

  2026 Chrysler Pacifica2026 Chrysler Voyager2026 Dodge Charger2026 Dodge Durango2026 Jeep Cherokee2026 Jeep Compass2026 Jeep Gladiator2026 Jeep Grand Cherokee2026 Jeep Grand Cherokee L2026 Jeep Grand Wagoneer2026 Jeep Wagoneer S2026 Jeep Wrangler2026 Ram 15002026 Ram 25002026 Ram 35002025 Chrysler Pacifica2025 Chrysler Voyager2025 Dodge Charger2025 Dodge Durango2025 Jeep Compass+ 61 more
  Associated Documents

  • DownloadMC-11032824-0001.pdf↗
• May 7, 2026•Document ID: 11032647

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  08-208-26

  Date Added:

  May 13, 2026

  Manufacturer:

  JEEP

  Summary

  Radio Message "Power Surge On USB Detected" Customers may comment on the following: ● The radio displays the message: “Power surge on USB hub detected” Fig. 1. NOTE: After the message appears, no USB devices function in the hub (no charging, no data). NOTE: Hub operation does not return until the vehicle undergoes a full key cycle

  Associated Products (81)

  2026 Chrysler Pacifica2026 Chrysler Voyager2026 Dodge Charger2026 Dodge Durango2026 Jeep Cherokee2026 Jeep Compass2026 Jeep Gladiator2026 Jeep Grand Cherokee2026 Jeep Grand Cherokee L2026 Jeep Grand Wagoneer2026 Jeep Wagoneer S2026 Jeep Wrangler2026 Ram 15002026 Ram 25002026 Ram 35002025 Chrysler Pacifica2025 Chrysler Voyager2025 Dodge Charger2025 Dodge Durango2025 Jeep Compass+ 61 more
  Associated Documents

  • DownloadMC-11032647-0001.pdf↗
• May 6, 2026•Document ID: 11032822

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  08-207-26

  Date Added:

  May 20, 2026

  Manufacturer:

  DODGE

  Summary

  Instrument Panel Cluster (IPC) Flicker Turn By Turn The customer may experience flickering on their Instrument Panel Cluster (IPC) when the turn-by-turn feature is enabled. This issue occurs when using Google Maps for Navigation via CarPlay

  Associated Products (73)

  2027 Chrysler Pacifica2026 Chrysler Pacifica2026 Chrysler Voyager2026 Dodge Charger2026 Dodge Durango2026 Jeep Cherokee2026 Jeep Compass2026 Jeep Grand Cherokee2026 Jeep Grand Cherokee L2026 Jeep Grand Wagoneer2026 Jeep Recon2026 Jeep Wagoneer S2026 Jeep Wrangler2026 Ram 15002026 Ram 25002026 Ram 35002026 Ram 45002026 Ram 55002025 Chrysler Pacifica2025 Chrysler Voyager+ 53 more
  Associated Documents

  • DownloadMC-11032822-0001.pdf↗
• May 6, 2026•Document ID: 11032645

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  08-207-26

  Date Added:

  May 13, 2026

  Manufacturer:

  RAM

  Summary

  Instrument Panel Cluster (IPC) Flicker Turn By Turn The customer may experience flickering on their Instrument Panel Cluster (IPC) when the turn-by-turn feature is enabled. This issue occurs when using Google Maps for Navigation via CarPlay

  Associated Products (73)

  2027 Chrysler Pacifica2026 Chrysler Pacifica2026 Chrysler Voyager2026 Dodge Charger2026 Dodge Durango2026 Jeep Cherokee2026 Jeep Compass2026 Jeep Grand Cherokee2026 Jeep Grand Cherokee L2026 Jeep Grand Wagoneer2026 Jeep Recon2026 Jeep Wagoneer S2026 Jeep Wrangler2026 Ram 15002026 Ram 25002026 Ram 35002026 Ram 45002026 Ram 55002025 Chrysler Pacifica2025 Chrysler Voyager+ 53 more
  Associated Documents

  • DownloadMC-11032645-0001.pdf↗
• May 5, 2026•Document ID: 11032804

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  S268A000013

  Date Added:

  May 20, 2026

  Manufacturer:

  RAM

  Summary

  Radio Volume Jumping Up To Max Volume After Radio Wake Up

  Associated Products (15)

  2026 Jeep Gladiator2026 Jeep Wrangler2026 Ram 15002026 Ram 25002026 Ram 35002025 Jeep Gladiator2025 Jeep Wrangler2025 Ram 15002025 Ram 25002025 Ram 35002024 Jeep Gladiator2024 Jeep Wrangler2024 Ram 15002024 Ram 25002024 Ram 3500
  Associated Documents

  • DownloadMC-11032804-0001.pdf↗
• May 5, 2026•Document ID: 11032627

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  S268A000013

  Date Added:

  May 13, 2026

  Manufacturer:

  RAM

  Summary

  Radio Volume Jumping Up To Max Volume After Radio Wake Up

  Associated Products (15)

  2026 Jeep Gladiator2026 Jeep Wrangler2026 Ram 15002026 Ram 25002026 Ram 35002025 Jeep Gladiator2025 Jeep Wrangler2025 Ram 15002025 Ram 25002025 Ram 35002024 Jeep Gladiator2024 Jeep Wrangler2024 Ram 15002024 Ram 25002024 Ram 3500
  Associated Documents

  • DownloadMC-11032627-0001.pdf↗
• April 17, 2026•Document ID: 11031453

  Service Bulletin/Repair Instructions
  POWER TRAIN; ENGINE

  Mfr Comm. #:

  18-048-26

  Date Added:

  April 22, 2026

  Manufacturer:

  JEEP

  Summary

  Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0300 - Multiple Cylinder Misfire (Active or Stored status set during cold start catalyst heating). ● P0301 - Cylinder 1 Misfire (Active or Stored status set during cold start catalyst heating). ● P0302 - Cylinder 2 Misfire (Active or Stored status set during cold start catalyst heating). ● P0303 - Cylinder 3 Misfire (Active or Stored status set during cold start catalyst heating). ● P0304 - Cylinder 4 Misfire (Active or Stored status set during cold start catalyst heating). ● P0305-00 - Cylinder 5 Misfire (Active or Stored status set during cold start catalyst heating). ● P0306-00 - Cylinder 6 Misfire (Active or Stored status set during cold start catalyst heating). Customers may also comment on one or more of the following: ● The vehicle has a rough idle. ● The engine has a miss. ● Noisy valvetrain. This bulletin involves reprogramming the PCM with the latest available software.

  Associated Products (1)

  2023 Jeep Wrangler
  Associated Documents

  • DownloadMC-11031453-0001.pdf↗
• April 17, 2026•Document ID: 11031452

  Service Bulletin/Repair Instructions
  ENGINE; POWER TRAIN

  Mfr Comm. #:

  18-047-26

  Date Added:

  April 22, 2026

  Manufacturer:

  JEEP

  Summary

  Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0300 - Multiple Cylinder Misfire (Active or Stored status set during cold start catalyst heating). ● P0301 - Cylinder 1 Misfire (Active or Stored status set during cold start catalyst heating). ● P0302 - Cylinder 2 Misfire (Active or Stored status set during cold start catalyst heating). ● P0303 - Cylinder 3 Misfire (Active or Stored status set during cold start catalyst heating). ● P0304 - Cylinder 4 Misfire (Active or Stored status set during cold start catalyst heating). ● P0305-00 - Cylinder 5 Misfire (Active or Stored status set during cold start catalyst heating). ● P0306-00 - Cylinder 6 Misfire (Active or Stored status set during cold start catalyst heating). Customers may also comment on one or more of the following: ● The vehicle has a rough idle. ● The engine has a miss. ● Noisy valvetrain. This bulletin involves reprogramming the PCM with the latest available software.

  Associated Products (1)

  2022 Jeep Wrangler
  Associated Documents

  • DownloadMC-11031452-0001.pdf↗
• April 16, 2026•Document ID: 11031451

  Service Bulletin/Repair Instructions
  POWER TRAIN; ENGINE

  Mfr Comm. #:

  18-046-26

  Date Added:

  April 22, 2026

  Manufacturer:

  JEEP

  Summary

  Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● **P0300 - Multiple Cylinder Misfire (Active or Stored status set during cold start catalyst heating). ● P0301 - Cylinder 1 Misfire (Active or Stored status set during cold start catalyst heating). ● P0302 - Cylinder 2 Misfire (Active or Stored status set during cold start catalyst heating). ● P0303 - Cylinder 3 Misfire (Active or Stored status set during cold start catalyst heating). ● P0304 - Cylinder 4 Misfire (Active or Stored status set during cold start catalyst heating). ● P0305-00 - Cylinder 5 Misfire (Active or Stored status set during cold start catalyst heating). ● P0306-00 - Cylinder 6 Misfire (Active or Stored status set during cold start catalyst heating).** ● P08A6 - Gear Lever Position Sensor System - Multiple Sensor Correlation. ● P152F - Engine Hood Switch 2 / Engine Hood Switch 1 Correlation. ● P1129 - Closed Loop Fueling Not Achieved - Bank 2 Upstream. ● P0152-02 - O2 Sensor 2/1 Circuit High. ● P0158-02 - O2 Sensor 2/2 Circuit High. ● P2504 - Charging System Output High. ● P0563 - Battery/System Voltage High. Customers may also comment on one or more of the following: ● **The vehicle has a rough idle. ● The engine has a miss. ● Noisy valvetrain. ● "Service Transmission" message in the Instrument Panel Cluster (IPC) due to clutch slip detection with the transfer case in neutral. NOTE: Some customers may experience wheel spin or traction loss. In these situations, the Powertrain Control Module (PCM) may interpret the event as excessive clutch slip. To prevent potential clutch damage, a message may be displayed in the Instrument Panel Cluster (IPC).** ● Clutch is overheating. ● Clutch is slipping on engagement. ● Inability to accelerate uphill. M18 FSAR-TSB-7162 -2- ● Vehicle does not start. ● Vehicle is stuck in limp-home mode

  Associated Products (1)

  2023 Jeep Wrangler
  Associated Documents

  • DownloadMC-11031451-0001.pdf↗
• April 16, 2026•Document ID: 11031448

  Service Bulletin/Repair Instructions
  ENGINE; POWER TRAIN

  Mfr Comm. #:

  18-003-26 REV A

  Date Added:

  April 22, 2026

  Manufacturer:

  JEEP

  Summary

  Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● **P0300 - Multiple Cylinder Misfire (Active or Stored status set during cold start catalyst heating). ● P0301 - Cylinder 1 Misfire (Active or Stored status set during cold start catalyst heating). ● P0302 - Cylinder 2 Misfire (Active or Stored status set during cold start catalyst heating). ● P0303 - Cylinder 3 Misfire (Active or Stored status set during cold start catalyst heating). ● P0304 - Cylinder 4 Misfire (Active or Stored status set during cold start catalyst heating). ● P0305-00 - Cylinder 5 Misfire (Active or Stored status set during cold start catalyst heating). ● P0306-00 - Cylinder 6 Misfire (Active or Stored status set during cold start catalyst heating).** ● P0032 - O2 - Sensor 1/1 Heater Circuit High. ● P0038 - O2 - Sensor 1/2 Heater Circuit High. ● P0052 - O2 - Sensor 2/1 Heater Circuit High. ● P0058 - O2 - Sensor 2/2 Heater Circuit High. ● P1129 - Closed Loop Fueling Not Achieved-Banks 2 Upstream. ● P0152 - O2 Sensor 2/1 Circuit High. ● P0158 - O2 Sensor 2/2 Circuit High. ● P2504 - Charging System Output High. ● P0563 - System Voltage High. ● P08A6 - Gear Lever Position Sensor System - Multiple Sensor Correlation. (Manual Transmission Only) ● P152F - Engine Hood Switch 2 / Engine Hood Switch 1 Correlation. ● P1129 - Closed Loop Fueling Not Achieved - Bank 2 Upstream. ● P0152-02 - O2 Sensor 2/1 Circuit High. ● P0158-02 - O2 Sensor 2/2 Circuit High. ● P2504 - Charging System Output High. ● P0563 - Battery/System Voltage High. Customers may also comment on one or more of the following: ● **The vehicle has a rough idle. ● The engine has a miss or runs rough. ● Noisy valvetrain. M18 FSAR-TSB-7163 -2- ● "Service Transmission" message in the Instrument Panel Cluster (IPC) due to clutch slip detection with the transfer case in neutra

  Associated Products (1)

  2024 Jeep Wrangler
  Associated Documents

  • DownloadMC-11031448-0001.pdf↗
• April 8, 2026•Document ID: 11031482

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  111406

  Date Added:

  April 22, 2026

  Manufacturer:

  RAM

  Summary

  COVER - CYLINDER HEAD

  Associated Products (24)

  2026 Chrysler Pacifica2026 Chrysler Voyager2026 Dodge Durango2026 Jeep Gladiator2026 Jeep Grand Cherokee2026 Jeep Grand Cherokee L2026 Jeep Wrangler2026 Ram 15002025 Chrysler Pacifica2025 Chrysler Voyager2025 Dodge Durango2025 Jeep Gladiator2025 Jeep Grand Cherokee2025 Jeep Grand Cherokee L2025 Jeep Wrangler2025 Ram 15002024 Chrysler Pacifica2024 Chrysler Voyager2024 Dodge Durango2024 Jeep Gladiator+ 4 more
  Associated Documents

  • DownloadMC-11031482-0001.pdf↗
• April 8, 2026•Document ID: 11031481

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  111405

  Date Added:

  April 22, 2026

  Manufacturer:

  JEEP

  Summary

  COVER - CYLINDER HEAD

  Associated Products (24)

  2026 Chrysler Pacifica2026 Chrysler Voyager2026 Dodge Durango2026 Jeep Gladiator2026 Jeep Grand Cherokee2026 Jeep Grand Cherokee L2026 Jeep Wrangler2026 Ram 15002025 Chrysler Pacifica2025 Chrysler Voyager2025 Dodge Durango2025 Jeep Gladiator2025 Jeep Grand Cherokee2025 Jeep Grand Cherokee L2025 Jeep Wrangler2025 Ram 15002024 Chrysler Pacifica2024 Chrysler Voyager2024 Dodge Durango2024 Jeep Gladiator+ 4 more
  Associated Documents

  • DownloadMC-11031481-0001.pdf↗
• March 27, 2026•Document ID: 11030437

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  S268A000011

  Date Added:

  April 1, 2026

  Manufacturer:

  JEEP

  Summary

  Radio Remains On After Ignition Off

  Associated Products (25)

  2026 Chrysler Pacifica2026 Chrysler Voyager2026 Jeep Gladiator2026 Jeep Grand Cherokee2026 Jeep Grand Cherokee L2026 Jeep Grand Wagoneer2026 Jeep Wrangler2026 Ram 15002026 Ram 25002026 Ram 35002026 Ram 45002026 Ram 55002025 Chrysler Pacifica2025 Chrysler Voyager2025 Jeep Gladiator2025 Jeep Grand Cherokee2025 Jeep Grand Cherokee L2025 Jeep Grand Wagoneer2025 Jeep Wagoneer2025 Jeep Wrangler+ 5 more
  Associated Documents

  • DownloadMC-11030437-0001.pdf↗