Ram 1500 Service Bulletins

2,018 manufacturer communications on file.

• May 30, 2026•Document ID: 11033340

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  08-228-26

  Date Added:

  June 3, 2026

  Manufacturer:

  RAM

  Summary

  Selec-Speed Control Inoperable Customers may experience the following: ● Warning message "Selec-Speed Unavailable" appears in the Instrument Panel Cluster (IPC) when customer attempts to enable Selec-Speed Control function. NOTE: No Diagnostic Trouble Codes (DTCs). No driveability concerns.

  Associated Products (1)

  2025 Ram 1500
  Associated Documents

  • DownloadMC-11033340-0001.pdf↗
• May 30, 2026•Document ID: 11033338

  Service Bulletin/Repair Instructions
  STRUCTURE:BODY

  Mfr Comm. #:

  08-195-26 REV. A

  Date Added:

  June 3, 2026

  Manufacturer:

  RAM

  Summary

  Flash: Door Control Module (DCM) Updates Technician may find the following Diagnostic Trouble Code (DTC): ● B2577-00 - Window Not Calibrated / Lost Calibration.** Customers may experience one or more of the following: ● Driver and passenger window 'auto up' function is inoperative This bulletin involves inspecting and possibly reprogramming the DDM and PDM with the latest available software.

  Associated Products (1)

  2025 Ram 1500
  Associated Documents

  • DownloadMC-11033338-0001.pdf↗
• May 30, 2026•Document ID: 11033337

  Service Bulletin/Repair Instructions
  STRUCTURE:BODY

  Mfr Comm. #:

  08-187-26 REV. A

  Date Added:

  June 3, 2026

  Manufacturer:

  RAM

  Summary

  Flash: Door Control Module (DCM) Updates Technician may find the following Diagnostic Trouble Code (DTC): ● B2577-00 - Window Not Calibrated / Lost Calibration.** Customers may experience one or more of the following: ● Driver and passenger window 'auto up' function is inoperative. This bulletin involves inspecting and possibly reprogramming the DDM and PDM with the latest available software

  Associated Products (1)

  2026 Ram 1500
  Associated Documents

  • DownloadMC-11033337-0001.pdf↗
• May 29, 2026•Document ID: 11033334

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  08-226-26

  Date Added:

  June 3, 2026

  Manufacturer:

  RAM

  Summary

  Park Assist Sensor 3 and 4 Harness Swap This bulletin provides information regarding the wire harness connectors for Park Assist Sensors #3 and #4. The harnesses for these sensors are visually identical and may have been interchanged during vehicleassembly. If diagnosis indicates a concern related to Park Assist Sensors #3 or #4, or associated wiring, visually inspect the harness connections to verify correct installation before proceeding with further repair Fig. 1. If the connectors are found to be swapped, release the harnesses from the retaining clips as necessary, disconnect, and reinstall each connector to the correct sensor location. Ensure harnesses are properly secured after repositioning.

  Associated Products (1)

  2026 Ram 1500
  Associated Documents

  • DownloadMC-11033334-0001.pdf↗
• May 29, 2026•Document ID: 11033310

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  S2408000018 REV.B

  Date Added:

  June 3, 2026

  Manufacturer:

  DODGE

  Summary

  New Key Will Not Program, 0x22 Scan Tool Error

  Associated Products (8)

  2026 Dodge Durango2025 Dodge Durango2024 Dodge Durango2024 Ram 15002023 Chrysler 3002023 Dodge Challenger2023 Dodge Charger2023 Ram 1500
  Associated Documents

  • DownloadMC-11033310-0001.pdf↗
• May 29, 2026•Document ID: 11033308

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; STRUCTURE:BODY

  Mfr Comm. #:

  S1623000028 REV.I

  Date Added:

  June 3, 2026

  Manufacturer:

  RAM

  Summary

  Outside Power Fold Rearview Mirror Noise Or Loose At Pivot. Mirror Contacts Door Window Glass In The Folded Position.

  Associated Products (69)

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  Associated Documents

  • DownloadMC-11033308-0001.pdf↗
• May 27, 2026•Document ID: 11033312

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  S2624000004 REV.A

  Date Added:

  June 3, 2026

  Manufacturer:

  RAM

  Summary

  A/C Inoperative, A/C Relay Not Engaging.

  Associated Products (5)

  2026 Jeep Grand Wagoneer2026 Ram 15002025 Jeep Grand Wagoneer2025 Jeep Wagoneer2025 Ram 1500
  Associated Documents

  • DownloadMC-11033312-0001.pdf↗
• May 27, 2026•Document ID: 11033303

  Warranty Program/Extension
  ENGINE

  Mfr Comm. #:

  13D Combo

  Date Added:

  June 3, 2026

  Manufacturer:

  RAM

  Summary

  Emissions Recall 13D - ESS Function Disabled After Valve Body Service - Dealer Notification

  Associated Products (1)

  2025 Ram 1500
  Associated Documents

  • DownloadMC-11033303-0001.pdf↗
• May 26, 2026•Document ID: 11033294

  Service Bulletin/Repair Instructions
  AIR BAGS

  Mfr Comm. #:

  111847

  Date Added:

  June 3, 2026

  Manufacturer:

  RAM

  Summary

  AIR BAG - DRIVER

  Associated Products (3)

  2026 Ram 15002025 Ram 15002024 Ram 1500
  Associated Documents

  • DownloadMC-11033294-0001.pdf↗
• May 26, 2026•Document ID: 11033293

  Service Bulletin/Repair Instructions
  AIR BAGS

  Mfr Comm. #:

  111846

  Date Added:

  June 3, 2026

  Manufacturer:

  RAM

  Summary

  AIR BAG - DRIVER

  Associated Products (3)

  2026 Ram 15002025 Ram 15002024 Ram 1500
  Associated Documents

  • DownloadMC-11033293-0001.pdf↗
• May 21, 2026•Document ID: 11032979

  Service Bulletin/Repair Instructions
  STRUCTURE:BODY

  Mfr Comm. #:

  23-018-26

  Date Added:

  May 28, 2026

  Manufacturer:

  RAM

  Summary

  Whistling Noise Heard From Left Side Mirror While Driving Customers may comment on the following: ● Wind noise or whistle noise heard from the driver door mirror area while driving. This bulletin involves replacing the left-hand door mirror access cover.

  Associated Products (2)

  2026 Ram 15002025 Ram 1500
  Associated Documents

  • DownloadMC-11032979-0001.pdf↗
• May 20, 2026•Document ID: 11032987

  Service Bulletin/Repair Instructions
  STRUCTURE:BODY

  Mfr Comm. #:

  111751

  Date Added:

  May 28, 2026

  Manufacturer:

  RAM

  Summary

  GRILLE - SPEAKER

  Associated Products (6)

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

  • DownloadMC-11032987-0001.pdf↗
• May 20, 2026•Document ID: 11032973

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  18-054-26

  Date Added:

  May 28, 2026

  Manufacturer:

  RAM

  Summary

  Flash: Powertrain Control Module (PCM) Updates Customers may experience the following: ● A noticeable decrease in engine RPM occurs during immediate gear engagement following a cold engine start. This bulletin involves reprogramming the PCM with the latest available software.

  Associated Products (1)

  2026 Ram 1500
  Associated Documents

  • DownloadMC-11032973-0001.pdf↗
• May 20, 2026•Document ID: 11032972

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  08-220-26

  Date Added:

  May 28, 2026

  Manufacturer:

  RAM

  Summary

  Flash: Heating Ventilation And Cooling (HVAC) Module Updates Customers may experience one or more of the following: ● The HVAC randomly blows cold air while in the heat position. NOTE: Hot air will eventually return but the HVAC still intermittently blows cold air. ● When the heated seat feature is turned on with cloth seats, the heat cycles off after a period of time with out the occupant commanding it to turn off. This bulletin involves reprogramming the HVAC module with the latest software

  Associated Products (1)

  2026 Ram 1500
  Associated Documents

  • DownloadMC-11032972-0001.pdf↗
• May 20, 2026•Document ID: 11032971

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  08-219-26

  Date Added:

  May 28, 2026

  Manufacturer:

  RAM

  Summary

  Flash: Heating Ventilation And Cooling (HVAC) Module Updates Customers may experience one or more of the following: ● The HVAC randomly blows cold air while in the heat position. NOTE: Hot air will eventually return but the HVAC still intermittently blows cold air. ● When the heated seat feature is turned on with cloth seats, the heat cycles off after a period of time with out the occupant commanding it to turn off. This bulletin involves reprogramming the HVAC module with the latest software.

  Associated Products (1)

  2025 Ram 1500
  Associated Documents

  • DownloadMC-11032971-0001.pdf↗
• May 19, 2026•Document ID: 11032999

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  9100820

  Date Added:

  May 28, 2026

  Manufacturer:

  RAM

  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 (14)

  2024 Ram 25002024 Ram 35002024 Ram 45002024 Ram 55002023 Ram 15002023 Ram 25002023 Ram 35002023 Ram 45002023 Ram 55002022 Ram 15002022 Ram 25002022 Ram 35002022 Ram 45002022 Ram 5500
  Associated Documents

  • DownloadMC-11032999-0001.pdf↗
• May 14, 2026•Document ID: 11032858

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  9100786 Rev 1

  Date Added:

  May 20, 2026

  Manufacturer:

  JEEP

  Summary

  TBM2.0H Setting U0080-00. Do not replace TBM ECU or SGW. If replacement is determined, 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. Under certain conditions, SGW Module may take longer to establish Ethernet communication after boot up. If it takes longer than 30 seconds, The TBM2.0H module will set DTC U0080 - Ethernet Bus 1. As soon as SGW responds, the TBM2.0H will demature the DTC and move it to STORED. This issue should not cause any customer related symptoms. Do not replace the following TBM Part Numbers: WL: 68639445AF,68637489AE,68663479AE. WS: 68734941AA,68729188AC. EJ: 68592344AI. KM: 68592343AL,68735975AD. DT: 68634362AJ,68624784AF,68624784AE,68735493AB,68735493AA. DJ (HDCC): 68608721AJ. If the TBM2.0H module has set the DTC U0080 and it is STORED or ACTIVE, please clear the fault and do nothing. No further diagnostics is required. ---------------------------------------------------------------------------------------------------- TBM2.0H Setting DTC B1E21 Do Not Replace the TBM ECU. Is triggered when the TBM Backup Battery is discharged, inactive, or drained. This can happen during the lifetime of the vehicle. TBM should NOT be replace for B1E21, since there is no fault on TBM. TBM battery is replaceable. Part number of the back-up battery inside TBM is 68597650AA. Do not replace the following TBM Part Numbers: WL: 68639445A$, 68663479A$. -------------------------------------------------------------------------------------------------------- TBM Setting DTC U0499-00 Please refer to SOL S268A000004 if you are attempting to replace or repair the telematics box due to DTC U0499-00. This DTC does not cause direct customer impact and cannot be cleared. Engineering is working on TBM software enhancements, tentative Q2 2026. Do not replace the following TBM Part Numbers: KM: 68592343A$

  Associated Products (18)

  2026 Jeep Cherokee2026 Jeep Grand Cherokee2026 Jeep Grand Cherokee L2026 Jeep Grand Wagoneer2026 Jeep Recon2026 Jeep Wagoneer S2026 Ram 15002026 Ram 25002025 Jeep Grand Cherokee2025 Jeep Grand Cherokee L2025 Jeep Grand Wagoneer2025 Jeep Wagoneer2025 Jeep Wagoneer S2025 Ram 15002024 Jeep Grand Cherokee2024 Jeep Grand Cherokee L2024 Jeep Wagoneer S2024 Ram 1500
  Associated Documents

  • DownloadMC-11032858-0001.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: 11032863

  Service Bulletin/Repair Instructions
  STRUCTURE:BODY; ELECTRICAL SYSTEM

  Mfr Comm. #:

  111831

  Date Added:

  May 20, 2026

  Manufacturer:

  JEEP

  Summary

  SENSOR – KNOCK

  Associated Products (19)

  2026 Dodge Charger2026 Jeep Grand Wagoneer2026 Ram 15002025 Dodge Charger2025 Jeep Grand Wagoneer2025 Jeep Wagoneer2025 Ram 15002024 Dodge Charger2024 Jeep Grand Wagoneer2024 Jeep Wagoneer2024 Ram 15002023 Dodge Charger2023 Jeep Grand Wagoneer2023 Jeep Wagoneer2023 Ram 15002022 Dodge Charger2022 Jeep Grand Wagoneer2022 Jeep Wagoneer2022 Ram 1500
  Associated Documents

  • DownloadMC-11032863-0001.pdf↗