Jeep Wrangler Service Bulletins (2021)

1,032 manufacturer communications on file.

• October 21, 2025•Document ID: 11025028

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  S2509000009

  Date Added:

  November 5, 2025

  Manufacturer:

  JEEP

  Summary

  Engine Oil Leak

  Associated Products (60)

  2026 Chrysler Pacifica2026 Chrysler Voyager2026 Dodge Durango2026 Jeep Gladiator2026 Jeep Grand Cherokee2026 Jeep Grand Cherokee L2026 Jeep Grand Wagoneer2026 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 Durango+ 40 more
  Associated Documents

  • DownloadMC-11025028-0001.pdf↗
• October 13, 2025•Document ID: 11024604

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  9100684

  Date Added:

  October 29, 2025

  Manufacturer:

  JEEP

  Summary

  When servicing/replacing 68415437A$ Transmission, take care to not damage the PIM to P2 harness. Also, when reinstalling the harness, route the harness properly and secure it at all the retention points.

  Associated Products (5)

  2025 Jeep Wrangler2024 Jeep Wrangler2023 Jeep Wrangler2022 Jeep Wrangler2021 Jeep Wrangler
  Associated Documents

  • DownloadMC-11024604-0001.pdf↗
• October 9, 2025•Document ID: 11024323

  Service Bulletin/Repair Instructions
  STEERING

  Mfr Comm. #:

  105646

  Date Added:

  October 15, 2025

  Manufacturer:

  JEEP

  Summary

  MODULE - STEERING CONTROL & COLUMN

  Associated Products (45)

  2026 Chrysler Pacifica2026 Chrysler Voyager2026 Jeep Gladiator2026 Jeep Grand Cherokee2026 Jeep Grand Cherokee L2026 Jeep Grand Wagoneer2026 Jeep Wrangler2025 Chrysler Pacifica2025 Chrysler Voyager2025 Jeep Gladiator2025 Jeep Grand Cherokee2025 Jeep Grand Cherokee L2025 Jeep Grand Wagoneer2025 Jeep Wagoneer2025 Jeep Wrangler2024 Chrysler Pacifica2024 Chrysler Voyager2024 Jeep Gladiator2024 Jeep Grand Cherokee2024 Jeep Grand Cherokee L+ 25 more
  Associated Documents

  • DownloadMC-11024323-0001.pdf↗
• October 2, 2025•Document ID: 11024035

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  9100325 Rev 1

  Date Added:

  October 8, 2025

  Manufacturer:

  JEEP

  Summary

  Before replacing any parts please refer to SOL S2518000008 if it applies to the vehicle you are working on based on a VIN search in Service Library. Before replacing this part due to Engine Light On with P1CEA (Boost Side EVAP Purge System Performance), check for: 1) Improperly connected or kinked/pinched Purge Hoses at the Ejector Tees on the Air Box or Duct. 2) Improperly connected or kinked/pinched Purge Hose at the Purge Solenoid or OBD Valve. 3) Improperly connected or kinked/pinched Purge Hose at the Intake. 4) Check for the correct Purge Hoses installation.

  Associated Products (26)

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  Associated Documents

  • DownloadMC-11024035-0001.pdf↗
• September 24, 2025•Document ID: 11023618

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  9100670

  Date Added:

  October 2, 2025

  Manufacturer:

  JEEP

  Summary

  Data collection required for all 2020-2026MY vehicles with 3.6L PSU engines during any of their first 3 engine oil changes. This data collection is applicable to all vehicle with engines with sales codes: ERG, ERC, EH3 and ERF. To assist with monitoring and quality improvement of the 3.6L engine, every time a vehicle comes for any of the first 3 oil changes, please use wiTECH to record the total engine idle time and the total engine runtime. 1. Prior to perform the oil change connect wiTECH diagnostic tool. 2. Navigate to the topology screen on the action item section. 3. Once the topology screen loads, disconnect wiTECH and continue with oil change.

  Associated Products (38)

  2026 Chrysler Pacifica2026 Chrysler Voyager2026 Dodge Durango2026 Jeep Gladiator2026 Jeep Wrangler2026 Ram 15002025 Chrysler Pacifica2025 Chrysler Voyager2025 Dodge Durango2025 Jeep Gladiator2025 Jeep Wrangler2025 Ram 15002024 Chrysler Pacifica2024 Chrysler Voyager2024 Dodge Durango2024 Jeep Gladiator2024 Jeep Wrangler2024 Ram 15002023 Chrysler Pacifica2023 Chrysler Voyager+ 18 more
  Associated Documents

  • DownloadMC-11023618-0001.pdf↗
• September 23, 2025•Document ID: 11023586

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  08-314-25

  Date Added:

  October 2, 2025

  Manufacturer:

  JEEP

  Summary

  Flash: Amplifier (AMP) Diagnostic and System Updates *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):** ● B143B-12 - ANC Microphone 1-Circuit Short To Battery. ● B143C-12 - ANC Microphone 2-Circuit Short To Battery. ● B143E-12 - ANC Microphone 3-Circuit Short To Battery. ● B143F-12 - ANC Microphone 4-Circuit Short To Battery. NOTE: The DTCs are wrongly set and do not affect Active Noise Cancellation (ANC) performance This bulletin involves updating the AMP with the latest available software.

  Associated Products (1)

  2021 Jeep Wrangler
  Associated Documents

  • DownloadMC-11023586-0001.pdf↗
• September 19, 2025•Document ID: 11023331

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  S2218000003 REV.B

  Date Added:

  September 24, 2025

  Manufacturer:

  JEEP

  Summary

  Customer complaint may include a Mil On/Check Engine Lamp On and Electronic Throttle Control (ETC) Lamp On. There may also be associated driveability issues. Upon further investigation, the following fault codes may be found in the PCM:

  Associated Products (24)

  2026 Chrysler Pacifica2026 Chrysler Voyager2026 Jeep Gladiator2026 Jeep Wrangler2025 Chrysler Pacifica2025 Chrysler Voyager2025 Jeep Gladiator2025 Jeep Wrangler2024 Chrysler Pacifica2024 Chrysler Voyager2024 Jeep Gladiator2024 Jeep Wrangler2023 Chrysler Pacifica2023 Chrysler Voyager2023 Jeep Gladiator2023 Jeep Wrangler2022 Chrysler Pacifica2022 Chrysler Voyager2022 Jeep Gladiator2022 Jeep Wrangler+ 4 more
  Associated Documents

  • DownloadMC-11023331-0001.pdf↗
• September 18, 2025•Document ID: 11023612

  Service Bulletin/Repair Instructions
  SERVICE BRAKES

  Mfr Comm. #:

  107418

  Date Added:

  October 2, 2025

  Manufacturer:

  JEEP

  Summary

  SWITCH - CLUTCH STARTER INTERLOCK & MASTER CYLINDER ASSEMBLY - CLUTCH

  Associated Products (12)

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  Associated Documents

  • DownloadMC-11023612-0001.pdf↗
• September 18, 2025•Document ID: 11023326

  Service Bulletin/Repair Instructions
  STRUCTURE:BODY

  Mfr Comm. #:

  23-008-25 REV. A

  Date Added:

  September 24, 2025

  Manufacturer:

  CHRYSLER

  Summary

  Exterior Front Lamps Condensation Clearing Procedure *Some customers may report that on occasion vehicle exterior front lamps (headlamps, fog lamps, grille lamps, logo lamps or signature lamps) assemblies are fogged with a light layer of condensation on the inside of the lenses*

  Associated Products (118)

  2026 Chrysler Pacifica2026 Chrysler Voyager2026 Dodge Charger2026 Dodge Durango2026 Jeep Compass2026 Jeep Recon2026 Jeep Wrangler2026 Ram 15002026 Ram 25002026 Ram 35002026 Ram 45002026 Ram 55002025 Alfa Romeo Stelvio2025 Alfa Romeo Tonale2025 Chrysler Pacifica2025 Chrysler Voyager2025 Dodge Charger2025 Dodge Durango2025 Dodge Hornet2025 Jeep Compass+ 98 more
  Associated Documents

  • DownloadMC-11023326-0001.pdf↗
• September 12, 2025•Document ID: 11023168

  Service Bulletin/Repair Instructions
  SUSPENSION

  Mfr Comm. #:

  02-002-25 REV. A

  Date Added:

  September 17, 2025

  Manufacturer:

  JEEP

  Summary

  Shock And Strut Diagnosis And Replacement Guidelines Leaking, noisy, or weak shocks or struts.

  Associated Products (108)

  2026 Chrysler Pacifica2026 Chrysler Voyager2026 Dodge Charger2026 Jeep Compass2026 Jeep Wrangler2026 Ram 15002026 Ram 25002026 Ram 35002026 Ram 45002026 Ram 55002025 Alfa Romeo Stelvio2025 Alfa Romeo Tonale2025 Chrysler Pacifica2025 Chrysler Voyager2025 Dodge Charger2025 Dodge Durango2025 Dodge Hornet2025 Jeep Compass2025 Jeep Gladiator2025 Jeep Grand Cherokee+ 88 more
  Associated Documents

  • DownloadMC-11023168-0001.pdf↗
• August 14, 2025•Document ID: 11022012

  Service Bulletin/Repair Instructions
  STRUCTURE:BODY

  Mfr Comm. #:

  31-001-25 REV. A

  Date Added:

  August 21, 2025

  Manufacturer:

  RAM

  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.

  Associated Products (81)

  2026 Chrysler Pacifica2026 Chrysler Voyager2026 Dodge Durango2026 Ram 25002026 Ram 35002026 Ram 45002026 Ram 55002025 Alfa Romeo Stelvio2025 Chrysler Pacifica2025 Chrysler Voyager2025 Dodge Durango2025 Jeep Gladiator2025 Jeep Wrangler2025 Ram 15002025 Ram 25002025 Ram 35002025 Ram 45002025 Ram 55002024 Alfa Romeo Stelvio2024 Chrysler Pacifica+ 61 more
  Associated Documents

  • DownloadMC-11022012-0001.pdf↗
• August 13, 2025•Document ID: 11022003

  Service Bulletin/Repair Instructions
  STRUCTURE:BODY

  Mfr Comm. #:

  31-001-25

  Date Added:

  August 21, 2025

  Manufacturer:

  JEEP

  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

  Associated Products (81)

  2026 Chrysler Pacifica2026 Chrysler Voyager2026 Dodge Durango2026 Ram 25002026 Ram 35002026 Ram 45002026 Ram 55002025 Alfa Romeo Stelvio2025 Chrysler Pacifica2025 Chrysler Voyager2025 Dodge Durango2025 Jeep Gladiator2025 Jeep Wrangler2025 Ram 15002025 Ram 25002025 Ram 35002025 Ram 45002025 Ram 55002024 Alfa Romeo Stelvio2024 Chrysler Pacifica+ 61 more
  Associated Documents

  • DownloadMC-11022003-0001.pdf↗
• July 31, 2025•Document ID: 11021555

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  08-229-25

  Date Added:

  August 6, 2025

  Manufacturer:

  JEEP

  Summary

  Flash: Radio Frequency Hub Module (RFHM) Updates Customers must experience the following: ● Customers may be concerned about vehicle theft due to ability of key FOBs to be programmed through RFHM. Software enhancement includes: ● Update to the RFHM software to prevent unauthorized keyfob programming. ● This is intended to deter an unwanted drive off of the vehicle without the customer's knowledge. This bulletin involves updating the RFHM module with the latest available software.

  Associated Products (1)

  2021 Jeep Wrangler
  Associated Documents

  • DownloadMC-11021555-0001.pdf↗
• July 26, 2025•Document ID: 11021043

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  S2509000001 REV.B

  Date Added:

  July 31, 2025

  Manufacturer:

  JEEP

  Summary

  Engine Rattle Noise

  Associated Products (40)

  2025 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 Gladiator2024 Jeep Grand Cherokee2024 Jeep Grand Cherokee L2024 Jeep Wrangler2024 Ram 15002023 Chrysler Pacifica2023 Chrysler Voyager2023 Dodge Durango2023 Jeep Gladiator+ 20 more
  Associated Documents

  • DownloadMC-11021043-0001.pdf↗
• July 23, 2025•Document ID: 11021039

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  S2422000001 REV.D

  Date Added:

  July 31, 2025

  Manufacturer:

  JEEP

  Summary

  Tire Pressure Monitor (TPM) Service Information. TPM Lamp On.

  Associated Products (68)

  2025 Chrysler Pacifica2025 Chrysler Voyager2025 Jeep Compass2025 Jeep Gladiator2025 Jeep Grand Cherokee2025 Jeep Grand Cherokee L2025 Jeep Grand Wagoneer2025 Jeep Wagoneer2025 Jeep Wrangler2025 Ram 15002025 Ram 25002025 Ram 35002025 Ram 45002025 Ram 55002024 Chrysler Pacifica2024 Chrysler Voyager2024 Jeep Compass2024 Jeep Gladiator2024 Jeep Grand Cherokee2024 Jeep Grand Cherokee L+ 48 more
  Associated Documents

  • DownloadMC-11021039-0001.pdf↗
• July 16, 2025•Document ID: 11020832

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  09-018-25

  Date Added:

  July 23, 2025

  Manufacturer:

  JEEP

  Summary

  Engine Cylinder Block Porosity Inspection - Engine Cold Start Rough Idle Customers may experience the following: ● Rough engine idle when cold starting the engine. ● Low coolant level in coolant recovery bottle.

  Associated Products (16)

  2024 Jeep Compass2024 Jeep Grand Cherokee2024 Jeep Grand Cherokee L2024 Jeep Wrangler2023 Jeep Compass2023 Jeep Grand Cherokee2023 Jeep Grand Cherokee L2023 Jeep Wrangler2022 Jeep Compass2022 Jeep Grand Cherokee2022 Jeep Grand Cherokee L2022 Jeep Wrangler2021 Jeep Compass2021 Jeep Grand Cherokee2021 Jeep Grand Cherokee L2021 Jeep Wrangler
  Associated Documents

  • DownloadMC-11020832-0001.pdf↗
• July 15, 2025•Document ID: 11020858

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  105648

  Date Added:

  July 23, 2025

  Manufacturer:

  JEEP

  Summary

  MODULE - ENGINE CONTROLLER

  Associated Products (57)

  2026 Jeep Gladiator2026 Jeep Grand Cherokee2026 Jeep Grand Cherokee L2026 Jeep Wrangler2025 Jeep Gladiator2025 Jeep Grand Cherokee2025 Jeep Grand Cherokee L2025 Jeep Grand Wagoneer2025 Jeep Wagoneer2025 Jeep Wrangler2025 Ram 15002025 Ram 25002025 Ram 35002025 Ram 45002025 Ram 55002024 Jeep Gladiator2024 Jeep Grand Cherokee2024 Jeep Grand Cherokee L2024 Jeep Grand Wagoneer2024 Jeep Wagoneer+ 37 more
  Associated Documents

  • DownloadMC-11020858-0001.pdf↗
• July 14, 2025•Document ID: 11020855

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  9100627

  Date Added:

  July 23, 2025

  Manufacturer:

  RAM

  Summary

  To inform dealers about the 850RE valve body PN: R8348504A connector: the original 16-pin connector included six pins that were not used in this application. To simplify the design, the connector has been optimized and updated to a 10-pin configuration.

  Associated Products (15)

  2023 Dodge Durango2023 Jeep Gladiator2023 Jeep Grand Cherokee2023 Jeep Wrangler2023 Ram 15002022 Dodge Durango2022 Jeep Gladiator2022 Jeep Grand Cherokee2022 Jeep Wrangler2022 Ram 15002021 Dodge Durango2021 Jeep Gladiator2021 Jeep Grand Cherokee2021 Jeep Wrangler2021 Ram 1500
  Associated Documents

  • DownloadMC-11020855-0001.pdf↗
• July 8, 2025•Document ID: 11020767

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  9100624

  Date Added:

  July 17, 2025

  Manufacturer:

  JEEP

  Summary

  Verify Reman part number availability. Order the "R" part number for all orders:

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  Associated Documents

  • DownloadMC-11020767-0001.pdf↗
• July 4, 2025•Document ID: 11020636

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  21-009-25 REV. C

  Date Added:

  July 9, 2025

  Manufacturer:

  DODGE

  Summary

  850RE D Clutch Repair Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must have at least 11,265 km (7,000 mi.) and exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0733-00 - Gear 3 Shift Incorrect Ratio. ● P1DA8-00 - Incorrect Gear Ratio Clutch A B or D Defective. ● P1D92-00 - Incorrect Gear Ratio - Clutch 4 Defective. Customers may also comment on one or more of the following: ● Transmission slips when shifting. ● Vehicle will not move in reverse. ● Vehicle will not shift higher than third gear This bulletin involves replacing the D clutch.

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  Associated Documents

  • DownloadMC-11020636-0001.pdf↗