Ram 2500 Service Bulletins

1,151 manufacturer communications on file.

• April 28, 2026•Document ID: 11032309

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  08-018-26 REV. A

  Date Added:

  May 6, 2026

  Manufacturer:

  RAM

  Summary

  Flash: Radio Frequency Hub Module (RFHM) Updates Technician may find the vehicle has set at least one of the following Diagnostic Trouble Codes (DTCs): ● B1A08-00 - RKE Fob 1 Performance. ● B1A09-00 - RKE Fob 2 Performance. Customers may also comment on one or more of the following: ● Lock / unlock from keyfob inoperable. ● Passive entry inoperable This bulletin involves inspecting and possibly reprogramming of the RFHM with the latest available software

  Associated Products (4)

  2026 Ram 25002026 Ram 35002026 Ram 45002026 Ram 5500
  Associated Documents

  • DownloadMC-11032309-0001.pdf↗
• April 24, 2026•Document ID: 11031693

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  S2308000034 REV.B

  Date Added:

  April 29, 2026

  Manufacturer:

  RAM

  Summary

  No Wireless Charging Or Slow Wireless Charging

  Associated Products (71)

  2026 Chrysler Pacifica2026 Chrysler Voyager2026 Dodge Charger2026 Dodge Durango2026 Jeep Cherokee2026 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 Chrysler Pacifica2025 Chrysler Voyager2025 Dodge Charger2025 Dodge Durango2025 Jeep Compass+ 51 more
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• April 22, 2026•Document ID: 11031686

  Service Bulletin/Repair Instructions
  STRUCTURE:BODY

  Mfr Comm. #:

  S2623000027

  Date Added:

  April 29, 2026

  Manufacturer:

  RAM

  Summary

  Power Tailgate Not Closing, Not Opening, Inoperative, Incorrect Ajar Status On Cluster.

  Associated Products (4)

  2026 Ram 15002026 Ram 25002025 Ram 15002025 Ram 2500
  Associated Documents

  • DownloadMC-11031686-0001.pdf↗
• April 22, 2026•Document ID: 11031683

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; STRUCTURE:BODY

  Mfr Comm. #:

  9100803

  Date Added:

  April 29, 2026

  Manufacturer:

  CHRYSLER

  Summary

  1) If the fog lamp contains moisture, do not replace it immediately. Turn the fog lamp on for one hour and inspect it afterward. Refer to 23-008-25 Rev.A. Exterior Front Lamps Condensation Clearing Procedure for details. 2) If the fog lamp(s) do not light. Refer to Star Online Publication S2523000085 for details.

  Associated Products (24)

  2026 Chrysler Pacifica2026 Chrysler Voyager2026 Ram 25002026 Ram 35002026 Ram 45002026 Ram 55002025 Chrysler Pacifica2025 Chrysler Voyager2025 Ram 25002025 Ram 35002025 Ram 45002025 Ram 55002024 Chrysler Pacifica2024 Chrysler Voyager2024 Ram 25002024 Ram 35002024 Ram 45002024 Ram 55002023 Chrysler Pacifica2023 Chrysler Voyager+ 4 more
  Associated Documents

  • DownloadMC-11031683-0001.pdf↗
• April 22, 2026•Document ID: 11031678

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  18-014-26 REV. A

  Date Added:

  April 29, 2026

  Manufacturer:

  RAM

  Summary

  Flash: Powertrain Control Module (PCM) 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): ● **P0088-00 - Fuel Rail Pressure Too High - Bank 1.** ● P20CF-00 - Exhaust After treatment Fuel Injector "A" Stuck Open. ● P20DB-00 - Exhaust After treatment Fuel Supply Control Stuck Open. ● U0109-00 - Lost Communication With Fuel Pump Control Module. ● P1451-00 - Diesel Particulate Filter System Performance. ● P2463-00 - Diesel Particulate Filter Restriction - Soot Accumulation Bank 1. ● P2459-00 - Diesel Particulate Filter Regeneration Too Frequent. ● P0087-00 - Fuel Rail Pressure Too Low. ● P2540-00 - Low Pressure Fuel System Sensor Circuit Range/performance. ● P2543-00 - Low Pressure Fuel System Sensor Circuit Intermittent. ● P214D-00 - SCR NOX Catalyst Outlet Temperature Too High During Particulate Filter Regeneration. ● P242B-00 - Exhaust Gas Temperature Sensor Circuit Performance - Bank 1 Sensor 3. ● P24DA-00 - Particulate Matter Sensor Exhaust Sample Error Bank 1. ● P20EE-00 - SCR Nox Catalyst Efficiency Below Threshold - Bank 1 Catalyst 1. ● P226C-00 - Turbocharger Boost Control "A" Slow Response. ● P2281-00 - Air Leak Between MAF And Throttle Body. ● P229F-00 - NOX Sensor Circuit Range/performance - Bank 1. ● P0100-00 - Mass Or Volume Air Flow Sensor "A" Circuit. ● P203F-00 - Reductant Level Too Low. ● P0423-00 - Heated Catalyst Efficiency Below Threshold Bank 1. ● P0263-00 - Cylinder 1 Contribution-Balance. ● P0266-00 - Cylinder 2 Contribution-Balance. ● P0269-00 - Cylinder 3 Contribution-Balance. ● P0272-00 - Cylinder 4 Contribution-Balance. ● P0275-00 - Cylinder 5 Contribution-Balance. ● P0278-00 - Cylinder 6 Contribution/Balance. ● P026B-00 - Injection Timing Performance. ● P020A-00 - Cylinder 1 Injection Timing. ● P020B-00 - Cylinder 2 Injection Timing. ● P020C-00 - Cylinder 3 Injection Timing. ● P020D-00 - Cylinder 4 Injection Timing. ● P020E-00 - Cylinder 5 Injection Timing. ● P020F-00 - Cylinder 6 Injection Timing. ● P06B9-00 - Cylinder 1 Glow Plug Circuit Performance. ● P06BA-00 - Cylinder 2 Glow Plug Circuit Performance. ● P06BB-00 - Cylinder 3 Glow Plug Circuit Performance. ● P06BC-00 - Cylinder 4 Glow Plug Circuit Performance. ● P06BD-00 - Cylinder 5 Glow Plug Circuit Performance. ● P06BE-00 - Cylinder 6 Glow Plug Circuit Performance. Customers may also comment on one or more of the following: ● Long engine crank times, particularly after fuel filter change. ● Inverter drops out when shifting from P to D gears. ● Diesel Exhaust Fluid (DEF) level gauge slow to update after a refill. ● Poor cold start performance. ● Cruise control drops out/cancels on its own. ● Engine stumble, runs rough, or a slight lack of power. The following software enhancements are also available: ● Reduce the occurrence of false faults Diagnostic Trouble Codes (DTCs) P0300-00, **P0088-00** and P0315-00. ● Improved troubleshooting and repair accuracy for air handling components through APT test in wiTECH. ● DTC P1451-00 re-tune to reduce false faults. ● Improvements to allow DTC P2509-00 faults to be cleared with wiTECH. ● Adaptive Cruise Control (ACC) software fix to prevent cruise control dropouts. ● Engine stumble fix for improved drivability. ● Engine stall detection allowing DTC P032F-00 to clear after a power cycle. ● Allow multiple PROXI rewrites. ● Enable cold re-prime (DTC P208B-00 improvement) This bulletin involves inspecting and possibly reprogramming the Engine Control Module (ECM/PCM) with the latest available software

  Associated Products (2)

  2025 Ram 25002025 Ram 3500
  Associated Documents

  • DownloadMC-11031678-0001.pdf↗
• April 21, 2026•Document ID: 11031666

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  08-171-26

  Date Added:

  April 29, 2026

  Manufacturer:

  RAM

  Summary

  Loss Of Cabin Heating 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): ● U0615 - Lost Communication With Engine Coolant Bypass Valve "A". ● U11E9 - Lost Communication With AGS. Customer may also comment on the following: ● Loss of cabin heating This bulletin involves applying grease to the 3 way valves wire harness connector or, if necessary, the replacement of both the wire harness and the 3 way valve

  Associated Products (8)

  2026 Ram 25002026 Ram 35002026 Ram 45002026 Ram 55002025 Ram 25002025 Ram 35002025 Ram 45002025 Ram 5500
  Associated Documents

  • DownloadMC-11031666-0001.pdf↗
• April 18, 2026•Document ID: 11031471

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  S2509000005 REV.B

  Date Added:

  April 22, 2026

  Manufacturer:

  RAM

  Summary

  Light Random Tick Noise From The Engine.

  Associated Products (16)

  2024 Ram 25002024 Ram 35002024 Ram 45002024 Ram 55002023 Ram 25002023 Ram 35002023 Ram 45002023 Ram 55002022 Ram 25002022 Ram 35002022 Ram 45002022 Ram 55002021 Ram 25002021 Ram 35002021 Ram 45002021 Ram 5500
  Associated Documents

  • DownloadMC-11031471-0001.pdf↗
• April 17, 2026•Document ID: 11031466

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  S2614000002

  Date Added:

  April 22, 2026

  Manufacturer:

  RAM

  Summary

  Diagnostic Trouble Code (DTC) P2459-00 Particulate Filter Regeneration Too Frequent Setting in the Powertrain Control Module (PCM) or Under Fueling or Over Fueling Condition After Fuel Injector(s) Replacement

  Associated Products (16)

  2024 Ram 25002024 Ram 35002024 Ram 45002024 Ram 55002023 Ram 25002023 Ram 35002023 Ram 45002023 Ram 55002022 Ram 25002022 Ram 35002022 Ram 45002022 Ram 55002021 Ram 25002021 Ram 35002021 Ram 45002021 Ram 5500
  Associated Documents

  • DownloadMC-11031466-0001.pdf↗
• April 16, 2026•Document ID: 11031447

  Service Bulletin/Repair Instructions
  FUEL/PROPULSION SYSTEM

  Mfr Comm. #:

  14-004-26

  Date Added:

  April 22, 2026

  Manufacturer:

  RAM

  Summary

  Water In Fuel (WIF) Indicator Light Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set the following Diagnostic Trouble Code (DTC): ● P2269-00 - Water In Fuel Condition. This bulletin involves draining the WIF separator and swapping the WIF sensor signal and ground terminals within the harness connector from their original positions.

  Associated Products (6)

  2026 Ram 25002026 Ram 35002025 Ram 25002025 Ram 35002025 Ram 45002025 Ram 5500
  Associated Documents

  • DownloadMC-11031447-0001.pdf↗
• April 14, 2026•Document ID: 11031464

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM

  Mfr Comm. #:

  S2508000109 REV.A

  Date Added:

  April 22, 2026

  Manufacturer:

  RAM

  Summary

  Instrument Cluster Fuel and Coolant Temperature Gauge Do Not Reset To The Home Position And Show Incorrect Values

  Associated Products (5)

  2026 Ram 15002026 Ram 25002026 Ram 35002026 Ram 45002026 Ram 5500
  Associated Documents

  • DownloadMC-11031464-0001.pdf↗
• April 9, 2026•Document ID: 11031484

  Service Bulletin/Repair Instructions
  STEERING

  Mfr Comm. #:

  111401

  Date Added:

  April 22, 2026

  Manufacturer:

  RAM

  Summary

  MODULE - STEERING CONTROL

  Associated Products (4)

  2026 Ram 25002026 Ram 35002026 Ram 45002026 Ram 5500
  Associated Documents

  • DownloadMC-11031484-0001.pdf↗
• April 8, 2026•Document ID: 11031341

  Service Bulletin/Repair Instructions
  FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM

  Mfr Comm. #:

  S2508000109

  Date Added:

  April 15, 2026

  Manufacturer:

  RAM

  Summary

  Instrument Cluster Fuel and Coolant Temperature Gauge Do Not Reset To The Home Position And Show Incorrect Values

  Associated Products (5)

  2026 Ram 15002026 Ram 25002026 Ram 35002026 Ram 45002026 Ram 5500
  Associated Documents

  • DownloadMC-11031341-0001.pdf↗
• April 8, 2026•Document ID: 11031330

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  21-029-26

  Date Added:

  April 15, 2026

  Manufacturer:

  RAM

  Summary

  Flash: Transmission Control Module (TCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ? P0826-00 - Up/Down Shift Sw

  Associated Products (2)

  2026 Ram 25002026 Ram 3500
  Associated Documents

  • DownloadMC-11031330-0001.pdf↗
• April 8, 2026•Document ID: 11031329

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  21-028-26

  Date Added:

  April 15, 2026

  Manufacturer:

  RAM

  Summary

  Flash: Transmission Control Module (TCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ? P0826-00 - Up/Down Shift Sw

  Associated Products (2)

  2025 Ram 25002025 Ram 3500
  Associated Documents

  • DownloadMC-11031329-0001.pdf↗
• April 7, 2026•Document ID: 11031479

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; STRUCTURE:BODY

  Mfr Comm. #:

  111126

  Date Added:

  April 22, 2026

  Manufacturer:

  RAM

  Summary

  SENSOR - EXHAUST TEMPERATURE

  Associated Products (4)

  2026 Ram 25002026 Ram 35002026 Ram 45002026 Ram 5500
  Associated Documents

  • DownloadMC-11031479-0001.pdf↗
• April 7, 2026•Document ID: 11031321

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  08-144-26

  Date Added:

  April 15, 2026

  Manufacturer:

  RAM

  Summary

  Global Telematics Box Module (TBM) 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): ? B1560 - 11 Cellular Antenna 1 - short to

  Associated Products (8)

  2026 Ram 25002026 Ram 35002026 Ram 45002026 Ram 55002025 Ram 25002025 Ram 35002025 Ram 45002025 Ram 5500
  Associated Documents

  • DownloadMC-11031321-0001.pdf↗
• April 3, 2026•Document ID: 11031244

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  S2508000036 REV.E

  Date Added:

  April 10, 2026

  Manufacturer:

  JEEP

  Summary

  The Occupant Restraint Controller (ORC) Sets B2204-00 Unknown Status (Pending), Sets B2204-00 ECU Configuration Mismatch Or/And DTC B222D-00 Active for ECU Unable to Configure/Configuration Not Learned

  Associated Products (10)

  2026 Jeep Grand Cherokee2026 Jeep Grand Cherokee L2025 Dodge Charger2025 Jeep Wagoneer S2025 Ram 25002025 Ram 35002025 Ram 45002025 Ram 55002024 Dodge Charger2024 Jeep Wagoneer S
  Associated Documents

  • DownloadMC-11031244-0001.pdf↗
• April 3, 2026•Document ID: 11031224

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  08-143-26

  Date Added:

  April 10, 2026

  Manufacturer:

  JEEP

  Summary

  Traffic Sign Assist Unavailable – Service Required The customer may experience one or more of the following: SYMPTOM: ● “Traffic Sign Assist Unavailable – Service Required” message and icon displays on the Instrument Panel Cluster (IPC). This occurs after a remote start and typically at the first start of the day. ● The Odometer flashes when the traffic alert message is active. . No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise, without written permission of FCA US LLC.

  Associated Products (34)

  2026 Dodge Charger2026 Jeep Cherokee2026 Jeep Grand Cherokee2026 Jeep Grand Cherokee L2026 Jeep Grand Wagoneer2026 Jeep Recon2026 Jeep Wagoneer S2026 Ram 15002026 Ram 25002026 Ram 35002026 Ram 45002026 Ram 55002025 Dodge Charger2025 Jeep Grand Cherokee2025 Jeep Grand Cherokee L2025 Jeep Grand Wagoneer2025 Jeep Wagoneer2025 Jeep Wagoneer S2025 Ram 15002025 Ram 2500+ 14 more
  Associated Documents

  • DownloadMC-11031224-0001.pdf↗
• April 2, 2026•Document ID: 11031223

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  08-142-26

  Date Added:

  April 10, 2026

  Manufacturer:

  RAM

  Summary

  R1H Radio USB Update to U40.20 Customers may experience one or more of the following: SYMPTOM: ● Incorrect phone listed on passenger display. ● Navigation widget black/stuck at loading. ● Apple carplay icon not present during carplay session. ● Diesel exhaust brake indicator is yellow/on when starting the vehicle even though the exhaust brake was set to OFF when vehicle ignition was turned off. ● Brake soft button in on position. ● Press and hold button stuck. ● Articulation graphic not updated. ● Icon overlap in status bar. ● Pressure in trailer tires set at zero psi. ● Compass intermittently shows "--" in cluster. ● Navigation stuck at same location. This bulletin involves inspecting and if required, updating the radio software level to U40.20.

  Associated Products (8)

  2026 Ram 25002026 Ram 35002026 Ram 45002026 Ram 55002025 Ram 25002025 Ram 35002025 Ram 45002025 Ram 5500
  Associated Documents

  • DownloadMC-11031223-0001.pdf↗
• April 1, 2026•Document ID: 11031241

  Service Bulletin/Repair Instructions
  STRUCTURE:BODY

  Mfr Comm. #:

  S1623000028 REV.H

  Date Added:

  April 10, 2026

  Manufacturer:

  CHRYSLER

  Summary

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

  Associated Products (69)

  2026 Chrysler Pacifica2026 Chrysler Voyager2026 Dodge Durango2026 Jeep Grand Cherokee2026 Jeep Grand Cherokee L2026 Jeep Grand Wagoneer2026 Ram 15002026 Ram 25002026 Ram 35002026 Ram 45002026 Ram 55002025 Chrysler Pacifica2025 Chrysler Voyager2025 Dodge Durango2025 Jeep Grand Cherokee2025 Jeep Grand Cherokee L2025 Jeep Grand Wagoneer2025 Jeep Wagoneer2025 Ram 15002025 Ram 2500+ 49 more
  Associated Documents

  • DownloadMC-11031241-0001.pdf↗