Ram 1500 Service Bulletins (2023)

545 manufacturer communications on file.

• February 4, 2026•Document ID: 11028769

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; ENGINE

  Mfr Comm. #:

  18-016-26

  Date Added:

  February 12, 2026

  Manufacturer:

  RAM

  Summary

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

  Associated Products (1)

  2023 Ram 1500
  Associated Documents

  • DownloadMC-11028769-0001.pdf↗
• February 2, 2026•Document ID: 11028742

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  S2607000002

  Date Added:

  February 12, 2026

  Manufacturer:

  CHRYSLER

  Summary

  Hemi Water Pump Coolant Leak Inspection

  Associated Products (45)

  2026 Jeep Grand Cherokee2026 Jeep Grand Cherokee L2026 Jeep Grand Wagoneer2026 Jeep Wrangler2026 Ram 15002026 Ram 25002026 Ram 35002026 Ram 45002026 Ram 55002025 Dodge Durango2025 Jeep Grand Cherokee2025 Jeep Grand Cherokee L2025 Jeep Grand Wagoneer2025 Jeep Wagoneer2025 Jeep Wrangler2025 Ram 15002025 Ram 25002025 Ram 35002025 Ram 45002025 Ram 5500+ 25 more
  Associated Documents

  • DownloadMC-11028742-0001.pdf↗
• January 21, 2026•Document ID: 11027837

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  109727

  Date Added:

  January 28, 2026

  Manufacturer:

  JEEP

  Summary

  Water Pump & Chain Case Cover

  Associated Products (51)

  2026 Chrysler Pacifica2026 Chrysler Voyager2026 Dodge Durango2026 Jeep Grand Cherokee2026 Jeep Grand Cherokee L2026 Jeep Grand Wagoneer2026 Jeep Wrangler2026 Ram 15002025 Chrysler Pacifica2025 Chrysler Voyager2025 Dodge Durango2025 Jeep Grand Cherokee2025 Jeep Grand Cherokee L2025 Jeep Grand Wagoneer2025 Jeep Wagoneer2025 Jeep Wrangler2025 Ram 15002024 Chrysler Pacifica2024 Chrysler Voyager2024 Dodge Durango+ 31 more
  Associated Documents

  • DownloadMC-11027837-0001.pdf↗
• January 21, 2026•Document ID: 11027836

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  109724

  Date Added:

  January 28, 2026

  Manufacturer:

  CHRYSLER

  Summary

  Water Pump & Chain Case Cover

  Associated Products (51)

  2026 Chrysler Pacifica2026 Chrysler Voyager2026 Dodge Durango2026 Jeep Grand Cherokee2026 Jeep Grand Cherokee L2026 Jeep Grand Wagoneer2026 Jeep Wrangler2026 Ram 15002025 Chrysler Pacifica2025 Chrysler Voyager2025 Dodge Durango2025 Jeep Grand Cherokee2025 Jeep Grand Cherokee L2025 Jeep Grand Wagoneer2025 Jeep Wagoneer2025 Jeep Wrangler2025 Ram 15002024 Chrysler Pacifica2024 Chrysler Voyager2024 Dodge Durango+ 31 more
  Associated Documents

  • DownloadMC-11027836-0001.pdf↗
• January 16, 2026•Document ID: 11027736

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  S2308000120 REV.E

  Date Added:

  January 21, 2026

  Manufacturer:

  JEEP

  Summary

  Rain Sensing Auto Wipers and Auto on Head Lamps Inoperative. Rain Sensor Internal Failure.

  Associated Products (49)

  2026 Dodge Charger2026 Dodge Durango2026 Jeep Compass2026 Jeep Grand Cherokee2026 Jeep Grand Cherokee L2026 Jeep Grand Wagoneer2026 Jeep Wagoneer S2026 Ram 15002026 Ram 25002026 Ram 35002026 Ram 45002026 Ram 55002025 Dodge Charger2025 Dodge Durango2025 Jeep Compass2025 Jeep Grand Cherokee2025 Jeep Grand Cherokee L2025 Jeep Grand Wagoneer2025 Jeep Wagoneer2025 Jeep Wagoneer S+ 29 more
  Associated Documents

  • DownloadMC-11027736-0001.pdf↗
• January 13, 2026•Document ID: 11027733

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  109152

  Date Added:

  January 21, 2026

  Manufacturer:

  RAM

  Summary

  CORE – HEATER

  Associated Products (15)

  2026 Jeep Grand Wagoneer2026 Ram 15002025 Jeep Grand Wagoneer2025 Jeep Wagoneer2025 Ram 15002024 Jeep Grand Wagoneer2024 Jeep Wagoneer2024 Ram 15002023 Jeep Grand Wagoneer2023 Jeep Wagoneer2023 Ram 15002022 Jeep Grand Wagoneer2022 Jeep Wagoneer2022 Ram 15002021 Ram 1500
  Associated Documents

  • DownloadMC-11027733-0001.pdf↗
• January 13, 2026•Document ID: 11027732

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  109153

  Date Added:

  January 21, 2026

  Manufacturer:

  JEEP

  Summary

  CORE – HEATER

  Associated Products (15)

  2026 Jeep Grand Wagoneer2026 Ram 15002025 Jeep Grand Wagoneer2025 Jeep Wagoneer2025 Ram 15002024 Jeep Grand Wagoneer2024 Jeep Wagoneer2024 Ram 15002023 Jeep Grand Wagoneer2023 Jeep Wagoneer2023 Ram 15002022 Jeep Grand Wagoneer2022 Jeep Wagoneer2022 Ram 15002021 Ram 1500
  Associated Documents

  • DownloadMC-11027732-0001.pdf↗
• December 17, 2025•Document ID: 11026783

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  08-381-25 REV. B

  Date Added:

  December 23, 2025

  Manufacturer:

  RAM

  Summary

  Telematics Box Module (TBM) Software Updating From 5.39 To 5.65 Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● B2206-00 - Current VIN Missing / Mismatch. Customers may experience the following: ● SOS Unavailable message pops up on radio during a remote start event due to TBM DTC B2206-00 This bulletin involves updating the TBM to the latest software level in the case that the FOTA did not function.

  Associated Products (1)

  2023 Ram 1500
  Associated Documents

  • DownloadMC-11026783-0001.pdf↗
• December 12, 2025•Document ID: 11026677

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  08-394-25 REV. A

  Date Added:

  December 17, 2025

  Manufacturer:

  RAM

  Summary

  Telematics Box Module (TBM) Backup Battery Replacement When DTC B1E21 Is Present Technicians may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set the following Diagnostic Trouble Code (DTC): ● B1E21-96 - Backup Battery Component Internal Failure.

  Associated Products (101)

  2026 Alfa Romeo Stelvio2026 Alfa Romeo Tonale2026 Chrysler Pacifica2026 Dodge Charger2026 Dodge Durango2026 Dodge Hornet2026 Jeep Compass2026 Jeep Gladiator2026 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 Alfa Romeo Stelvio+ 81 more
  Associated Documents

  • DownloadMC-11026677-0001.pdf↗
• December 10, 2025•Document ID: 11026668

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  08-381-25 REV. A

  Date Added:

  December 17, 2025

  Manufacturer:

  RAM

  Summary

  Telematics Box Module (TBM) Software Updating from 5.39 to 5.65 *Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● B2206-00 - Current VIN Missing / Mismatch.** Customers may experience the following: ● **SOS Unavailable message pops up on radio during a remote start event due to TBM DTC B2206-00. This bulletin involves reprogramming the TBM with the latest available software.Telematics Box Module (TBM) Software Updating from 5.39 to 5.65 *Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● B2206-00 - Current VIN Missing / Mismatch.** Customers may experience the following: ● **SOS Unavailable message pops up on radio during a remote start event due to TBM DTC B2206-00. This bulletin involves reprogramming the TBM with the latest available software.

  Associated Products (1)

  2023 Ram 1500
  Associated Documents

  • DownloadMC-11026668-0001.pdf↗
• December 10, 2025•Document ID: 11026666

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  08-219-25 REV. A

  Date Added:

  December 17, 2025

  Manufacturer:

  RAM

  Summary

  Telematics Box Module (TBM) Firmware Over The Air (FOTA) Software Updating from 5.39 to 5.65 *Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● B2206-00 - Current VIN Missing / Mismatch.** Customers may experience the following: ● **SOS Unavailable message pops up on radio during a remote start event due to TBM DTC B2206-00. 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 TBM software will be updated from 5.39.1 to 5.65 software level.Telematics Box Module (TBM) Firmware Over The Air (FOTA) Software Updating from 5.39 to 5.65 *Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● B2206-00 - Current VIN Missing / Mismatch.** Customers may experience the following: ● **SOS Unavailable message pops up on radio during a remote start event due to TBM DTC B2206-00. 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 TBM software will be updated from 5.39.1 to 5.65 software level.Telematics Box Module (TBM) Firmware Over The Air (FOTA) Software Updating from 5.39 to 5.65 *Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● B2206-00 - Current VIN Missing / Mismatch.** Customers may experience the following: ● **SOS Unavailable message pops up on radio during a remote start event due to TBM DTC B2206-00. 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 TBM software will be updated from 5.39.1 to 5.65 software level.

  Associated Products (6)

  2023 Ram 15002023 Ram 25002023 Ram 35002022 Ram 15002022 Ram 25002022 Ram 3500
  Associated Documents

  • DownloadMC-11026666-0001.pdf↗
• December 10, 2025•Document ID: 11026660

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  9100734

  Date Added:

  December 17, 2025

  Manufacturer:

  JEEP

  Summary

  If the DTC B1E21-96: Backup Battery-Component Internal Failure is active and customer states Popup message will show at the radio: "Battery of Uconnect Box requires service. SOS call and related functions may be unavailable. Please visit an authorized dealer." PLEASE do not Replace the TBM module, only replace TBM Internal Battery (inside Telematics Box Module) and order PN68493347

  Associated Products (100)

  2026 Alfa Romeo Stelvio2026 Alfa Romeo Tonale2026 Chrysler Pacifica2026 Chrysler Voyager2026 Dodge Charger2026 Dodge Durango2026 Dodge Hornet2026 Jeep Compass2026 Jeep Gladiator2026 Jeep Grand Cherokee2026 Jeep Grand Cherokee L2026 Jeep Grand Wagoneer2026 Jeep Recon2026 Jeep Renegade2026 Jeep Wagoneer S2026 Jeep Wrangler2026 Ram 15002026 Ram 25002026 Ram 35002026 Ram 4500+ 80 more
  Associated Documents

  • DownloadMC-11026660-0001.pdf↗
• December 10, 2025•Document ID: 11026653

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  9100568 Rev 1

  Date Added:

  December 17, 2025

  Manufacturer:

  RAM

  Summary

  Order regular part number for New, Unsold and Warranty units only. Verify Z part number availability. Order a Z part number for all Exchange Orders, Mopar, customer pay and service contract.

  Associated Products (6)

  2024 Ram 15002024 Ram 25002023 Ram 15002023 Ram 25002022 Ram 15002022 Ram 2500
  Associated Documents

  • DownloadMC-11026653-0001.pdf↗
• December 10, 2025•Document ID: 11026651

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  9100735

  Date Added:

  December 17, 2025

  Manufacturer:

  CHRYSLER

  Summary

  Verify "Z" part number availability. Order a "Z" part number for all Exchange Orders: Warranty, Mopar, Customer pay and Service contract. Order"68" part number for New unsold units only

  Associated Products (43)

  2026 Chrysler Pacifica2026 Chrysler Voyager2026 Ram 15002025 Chrysler Pacifica2025 Chrysler Voyager2025 Ram 15002024 Chrysler Pacifica2024 Chrysler Voyager2024 Ram 15002024 Ram 25002024 Ram 35002024 Ram 45002024 Ram 55002023 Chrysler 3002023 Chrysler Pacifica2023 Chrysler Voyager2023 Dodge Challenger2023 Dodge Charger2023 Ram 15002023 Ram 2500+ 23 more
  Associated Documents

  • DownloadMC-11026651-0001.pdf↗
• December 10, 2025•Document ID: 11026636

  Service Bulletin/Repair Instructions
  STRUCTURE:BODY

  Mfr Comm. #:

  S2523000090

  Date Added:

  December 17, 2025

  Manufacturer:

  RAM

  Summary

  MOPAR Bed Divider Kit Missing Lock Cylinder

  Associated Products (5)

  2026 Ram 15002025 Ram 15002024 Ram 15002023 Ram 15002022 Ram 1500
  Associated Documents

  • DownloadMC-11026636-0001.pdf↗
• December 10, 2025•Document ID: 11026634

  Service Bulletin/Repair Instructions
  SERVICE BRAKES

  Mfr Comm. #:

  S2505000003

  Date Added:

  December 17, 2025

  Manufacturer:

  RAM

  Summary

  Diagnostic Trouble Code (DTC) C0050-00-Brake System Hydraulic Leak Set After Recent Repair.

  Associated Products (30)

  2026 Ram 15002026 Ram 25002026 Ram 35002026 Ram 45002026 Ram 55002025 Ram 15002025 Ram 25002025 Ram 35002025 Ram 45002025 Ram 55002024 Ram 15002024 Ram 25002024 Ram 35002024 Ram 45002024 Ram 55002023 Ram 15002023 Ram 25002023 Ram 35002023 Ram 45002023 Ram 5500+ 10 more
  Associated Documents

  • DownloadMC-11026634-0001.pdf↗
• December 10, 2025•Document ID: 11026632

  Service Bulletin/Repair Instructions
  SERVICE BRAKES

  Mfr Comm. #:

  S2523000091

  Date Added:

  December 17, 2025

  Manufacturer:

  RAM

  Summary

  Antilock Brake (ABS) Light On. Intermittent Or Implausible Wheel Speed Sensor Signal Diagnostic Trouble Codes (DTCs)

  Associated Products (6)

  2026 Ram 15002025 Ram 15002024 Ram 15002023 Ram 15002022 Ram 15002021 Ram 1500
  Associated Documents

  • DownloadMC-11026632-0001.pdf↗
• December 5, 2025•Document ID: 11026586

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  108953

  Date Added:

  December 11, 2025

  Manufacturer:

  JEEP

  Summary

  DUCT - CLEAN AIR

  Associated Products (11)

  2026 Jeep Grand Wagoneer2026 Ram 15002025 Jeep Grand Wagoneer2025 Jeep Wagoneer2025 Ram 15002024 Jeep Grand Wagoneer2024 Jeep Wagoneer2024 Ram 15002023 Jeep Grand Wagoneer2023 Jeep Wagoneer2023 Ram 1500
  Associated Documents

  • DownloadMC-11026586-0001.pdf↗
• December 5, 2025•Document ID: 11026549

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  08-394-25

  Date Added:

  December 11, 2025

  Manufacturer:

  DODGE

  Summary

  Telematics Box Module (TBM) Backup Battery Replacement When DTC B1E21 Is Present echnicians may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set the following Diagnostic Trouble Code (DTC): ● B1E21-96 - Backup Battery Component Internal Failure

  Associated Products (98)

  2026 Alfa Romeo Stelvio2026 Alfa Romeo Tonale2026 Chrysler Pacifica2026 Chrysler Voyager2026 Dodge Charger2026 Dodge Durango2026 Dodge Hornet2026 Jeep Compass2026 Jeep Gladiator2026 Jeep Grand Cherokee2026 Jeep Grand Cherokee L2026 Jeep Grand Wagoneer2026 Jeep Recon2026 Jeep Wrangler2026 Ram 15002026 Ram 25002026 Ram 35002026 Ram 45002026 Ram 55002025 Alfa Romeo Stelvio+ 78 more
  Associated Documents

  • DownloadMC-11026549-0001.pdf↗
• December 4, 2025•Document ID: 11026583

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  108886

  Date Added:

  December 11, 2025

  Manufacturer:

  RAM

  Summary

  SENSOR - ACCELERATION

  Associated Products (6)

  2026 Ram 15002025 Ram 15002024 Ram 15002023 Ram 15002022 Ram 15002021 Ram 1500
  Associated Documents

  • DownloadMC-11026583-0001.pdf↗