Ram 2500 Service Bulletins

1,139 manufacturer communications on file.

• 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:

  RAM

  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:

  DODGE

  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↗
• March 31, 2026•Document ID: 11031237

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  S2625000003

  Date Added:

  April 10, 2026

  Manufacturer:

  RAM

  Summary

  Active/Pending Diagnostic Trouble Code (DTC) P24A0, P2482, P2481, P0420, P2470, P2471, P2472, P242D, P242B, P244D, P1484, P106D, P1060 And/or P354B Setting In The Powertrain Control Module (PCM)

  Associated Products (4)

  2026 Ram 25002026 Ram 35002025 Ram 25002025 Ram 3500
  Associated Documents

  • DownloadMC-11031237-0001.pdf↗
• March 31, 2026•Document ID: 11031236

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  S2525000002 REV.B

  Date Added:

  April 10, 2026

  Manufacturer:

  RAM

  Summary

  Diesel Exhaust Fluid (DEF) Gauge Fluctuates Or Is Erratic. Diagnostic Trouble Code (DTC) P203F – Reductant Level Too Low.

  Associated Products (8)

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

  • DownloadMC-11031236-0001.pdf↗
• March 31, 2026•Document ID: 11031235

  Service Bulletin/Repair Instructions
  FUEL/PROPULSION SYSTEM; ENGINE

  Mfr Comm. #:

  S2514000002 REV.A

  Date Added:

  April 10, 2026

  Manufacturer:

  RAM

  Summary

  P2540 Diagnostic Trouble Code (DTC) and Longer Than Expected, Extended Crank Time After Fuel Level Run Too Low or After Fuel Filter/System Servicing

  Associated Products (8)

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

  • DownloadMC-11031235-0001.pdf↗
• March 30, 2026•Document ID: 11031247

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  9100786

  Date Added:

  April 10, 2026

  Manufacturer:

  JEEP

  Summary

  TBM2.0H Setting U0080-00. Do not replace TBM ECU or SGW. 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-11031247-0001.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↗
• March 27, 2026•Document ID: 11030436

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; SEATS

  Mfr Comm. #:

  S2508000036 Rev D

  Date Added:

  April 1, 2026

  Manufacturer:

  DODGE

  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-11030436-0001.pdf↗
• March 27, 2026•Document ID: 11030430

  Service Bulletin/Repair Instructions
  POWER TRAIN; ENGINE

  Mfr Comm. #:

  S2609000005

  Date Added:

  April 1, 2026

  Manufacturer:

  RAM

  Summary

  Check Engine Light (CEL) Illuminated Diagnostic Trouble Code (DTC) P0381-00 Wait to Start Lamp Inoperative

  Associated Products (8)

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

  • DownloadMC-11030430-0001.pdf↗
• March 24, 2026•Document ID: 11030414

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  08-134-26

  Date Added:

  April 1, 2026

  Manufacturer:

  JEEP

  Summary

  Universal Garage Door Opener (UGDO) Inoperable Technicians may or may not find the following Diagnostic Trouble Code (DTC) present: SYMPTOM: ● B251D1-00 - Universal Garage Door Opener Control. Customers may comment on the following: ● Operational questions regarding the usage of the HomeLink® UGDO. . 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 (48)

  2026 Chrysler Pacifica2026 Chrysler Voyager2026 Dodge Charger2026 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 35002026 Ram 45002026 Ram 55002025 Chrysler Pacifica2025 Chrysler Voyager2025 Dodge Charger2025 Jeep Compass+ 28 more
  Associated Documents

  • DownloadMC-11030414-0001.pdf↗
• March 21, 2026•Document ID: 11030229

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  18-044-26

  Date Added:

  March 25, 2026

  Manufacturer:

  DODGE

  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): ● **P0111-00 - Intake Air Temperature Sensor 1 Circuit Range Performance Bank 1. (In Active or Stored status) ● P0071-00 - Ambient Air Temperature Sensor Performance. (In Active or Stored status) ● P0072-00 - Ambient Air Temperature Sensor Circuit "A" Low. (In Active or Stored status) ● P0073-00 - Ambient Air Temperature Sensor Circuit "A" High. (In Active or Stored status) ● P0011-00 - Bank 1 Camshaft 1 Position Timing Over Advanced Or. (In Active or Stored status) ● P25E4-00 - B Camshaft Position - Unable To Achieve Locked Position Bank 1. (In Active or Stored status) ● P05BD-00 - Stop-Start Mode Switch Range/Performance. (In Active or Stored status) ● P0116-00 - Engine Coolant Temperature Sensor 1 Performance. (In Active or Stored status) ● P062B-00 - Internal Control Module Fuel Injector Control Performance. (In Active or Stored status) ● P0604-00 - Internal Control Module Random Access Memory Ram Error. (In Active or Stored status) ● P060C-00 - Internal Control Module Main Processor Performance. (In Active or Stored status)** ● P018B-00 - Fuel Pressure Sensor "B" Circuit Range/performance. **(In Active or Stored status)** ● P1CEA-00 - Boost Side EVAP Purge System Performance. **(In Active or Stored status)** ● P06DD-00 - Engine Oil Pressure Control Circuit Performance/Stuck Off. **(In Active or Stored status)** ● P00C6-00 - Fuel Rail Pressure Too Low - Engine Cranking. **(In Active or Stored status)** ● P0300-00 - Multiple Cylinder Misfire. **(In Active or Stored status)** Customers may also experience one or more of the following: ● **Oil Level High Warning in the Instrument Panel Cluster (IPC).** ● Fully Autonomous Parking Assist (FAPA) is not deactivated when accelerator pedal is pressed. ● Vehicle is not heating up fast enough at freezi

  Associated Products (94)

  2026 Chrysler Pacifica2026 Chrysler Voyager2026 Dodge Durango2026 Jeep Cherokee2026 Jeep Compass2026 Jeep Grand Cherokee2026 Jeep Grand Cherokee L2026 Jeep Grand Wagoneer2026 Jeep Wagoneer S2026 Jeep Wrangler2026 Ram 15002026 Ram 25002026 Ram 35002026 Ram 45002026 Ram 55002025 Chrysler Pacifica2025 Chrysler Voyager2025 Dodge Durango2025 Jeep Compass2025 Jeep Grand Cherokee+ 74 more
  Associated Documents

  • DownloadMC-11030229-0001.pdf↗
• March 20, 2026•Document ID: 11030258

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  110590

  Date Added:

  March 25, 2026

  Manufacturer:

  RAM

  Summary

  INJECTOR - DIESEL EXHAUST FLUID and CLAMP - EXHAUST

  Associated Products (4)

  2026 Ram 25002026 Ram 35002025 Ram 25002025 Ram 3500
  Associated Documents

  • DownloadMC-11030258-0001.pdf↗
• March 19, 2026•Document ID: 11030266

  Service Bulletin/Repair Instructions
  SEATS; ELECTRICAL SYSTEM

  Mfr Comm. #:

  S2608000015

  Date Added:

  March 25, 2026

  Manufacturer:

  JEEP

  Summary

  Memory Seat Does Not Work There Is No Response from The Seat While Pressing the Memory Seat Profiles from the Switch Diagnostic Trouble Code (DTC) B1D9B-54- Seat Horizontal Front Stop Not Learned-Missing Calibration

  Associated Products (37)

  2026 Dodge Durango2026 Jeep Grand Cherokee2026 Jeep Grand Cherokee L2026 Jeep Grand Wagoneer2026 Ram 15002026 Ram 25002026 Ram 35002026 Ram 45002026 Ram 55002025 Dodge Durango2025 Jeep Grand Cherokee2025 Jeep Grand Cherokee L2025 Jeep Grand Wagoneer2025 Jeep Wagoneer2025 Ram 15002025 Ram 25002025 Ram 35002025 Ram 45002025 Ram 55002024 Dodge Durango+ 17 more
  Associated Documents

  • DownloadMC-11030266-0001.pdf↗
• March 19, 2026•Document ID: 11030263

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  S2621000002 REV.A

  Date Added:

  March 25, 2026

  Manufacturer:

  RAM

  Summary

  The customer concern is Service Transmission, preventing the engine from shutting off. NOTE: The transmission will be in Park and able to hold the vehicle, but the cluster display would indicate Neutral, preventing the engine from shutting off.

  Associated Products (8)

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

  • DownloadMC-11030263-0001.pdf↗