Ram 2500 Service Bulletins (2026)
229 manufacturer communications on file.
- January 8, 2026•Document ID: 11027633Service Bulletin/Repair InstructionsPOWER TRAIN
- Mfr Comm. #:
- 21-007-26
- Date Added:
- January 14, 2026
- Manufacturer:
- RAM
SummaryFlash: Transmission Control Module (TCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0826-00 - Up/Down Shift Switch. ● P0827-00 - Up/down Shift Switch Circuit Low. ● P085F-00 - Up And Down Shift Switch Circuit Range/performance. Customers may also experience one or more of the following: ● **Customer is unable to switch the ignition to OFF when in Park gear. ● After shifting into Park, the Instrument Panel Cluster (IPC) will display that the transmission is in Neutral.** NOTE: **The transmission will actually be in Park and able to hold the vehicle, but the cluster display would indicate Neutral, preventing the engine from shutting off.** ● Rough/bumpy 2-3 power on upshifts and/or 3-2 coast down shifts. ● Vehicle enters into limp home mode. Other software improvements: ● Decreased sensitivity to DTCs P1D8A and P1D8B. This bulletin involves reprogramming the TCM with the latest available software.
Associated Products (1)Associated Documents - January 7, 2026•Document ID: 11027653Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- 109356
- Date Added:
- January 14, 2026
- Manufacturer:
- RAM
SummaryHEADLAMP – NONE
Associated Products (8)Associated Documents - December 17, 2025•Document ID: 11026806Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- S258A000025
- Date Added:
- December 23, 2025
- Manufacturer:
- RAM
SummaryCustomer states Navigation is inaccurate, showing in wrong city or state.
Associated Products (15)Associated Documents - December 12, 2025•Document ID: 11026677Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- 08-394-25 REV. A
- Date Added:
- December 17, 2025
- Manufacturer:
- DODGE
SummaryTelematics 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 (106)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 Wagoneer2026 Jeep Wagoneer S2026 Jeep Wrangler2026 Ram 15002026 Ram 25002026 Ram 35002026 Ram 45002026 Ram 5500+ 86 moreAssociated Documents - December 12, 2025•Document ID: 11026642Service Bulletin/Repair InstructionsSEATS
- Mfr Comm. #:
- S2508000107
- Date Added:
- December 17, 2025
- Manufacturer:
- JEEP
SummaryComfort Seat Module (CSM) or Comfort Steering Wheel Module (CSWM) do Not Operate
Associated Products (33)2026 Dodge Charger2026 Jeep Grand Cherokee2026 Jeep Grand Cherokee L2026 Jeep Grand Wagoneer2026 Jeep Wagoneer2026 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 25002025 Ram 3500+ 13 moreAssociated Documents - December 12, 2025•Document ID: 11026640Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- S2523000093
- Date Added:
- December 17, 2025
- Manufacturer:
- RAM
SummaryBuzz Squeak Rattle (BSR) Vibration From Under Vehicle While Driving.
Associated Products (4)Associated Documents - December 10, 2025•Document ID: 11026660Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- 9100734
- Date Added:
- December 17, 2025
- Manufacturer:
- JEEP
SummaryIf 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 (105)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 Wagoneer2026 Jeep Wagoneer S2026 Jeep Wrangler2026 Ram 15002026 Ram 25002026 Ram 3500+ 85 moreAssociated Documents - December 10, 2025•Document ID: 11026634Service Bulletin/Repair InstructionsSERVICE BRAKES
- Mfr Comm. #:
- S2505000003
- Date Added:
- December 17, 2025
- Manufacturer:
- RAM
SummaryDiagnostic Trouble Code (DTC) C0050-00-Brake System Hydraulic Leak Set After Recent Repair.
Associated Products (40)Associated Documents - December 6, 2025•Document ID: 11026557Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- S2525000003
- Date Added:
- December 11, 2025
- Manufacturer:
- RAM
SummaryDiesel Exhaust Fluid (DEF) leaking around the gasket mount of the DEF doser causing an external, white, deposit build-up.
Associated Products (4)Associated Documents - December 5, 2025•Document ID: 11026549Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- 08-394-25
- Date Added:
- December 11, 2025
- Manufacturer:
- ALFA ROMEO
SummaryTelematics 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 (103)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 Wagoneer2026 Jeep Wrangler2026 Ram 15002026 Ram 25002026 Ram 35002026 Ram 45002026 Ram 5500+ 83 moreAssociated Documents - December 3, 2025•Document ID: 11026552Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- S258A000021
- Date Added:
- December 11, 2025
- Manufacturer:
- JEEP
SummaryDiagnostic Trouble Code (DTC) B15A1-00 Media Port Connection 1 Connection Found Set.
Associated Products (81)2026 Chrysler Pacifica2026 Chrysler Voyager2026 Dodge Charger2026 Jeep Compass2026 Jeep Gladiator2026 Jeep Grand Cherokee2026 Jeep Grand Cherokee L2026 Jeep Grand Wagoneer2026 Jeep Wagoneer2026 Jeep Wagoneer S2026 Jeep Wrangler2026 Ram 15002026 Ram 25002026 Ram 35002026 Ram 45002026 Ram 55002025 Chrysler Pacifica2025 Chrysler Voyager2025 Dodge Charger2025 Dodge Durango+ 61 moreAssociated Documents - November 20, 2025•Document ID: 11025736Service Bulletin/Repair InstructionsSEATS; ELECTRICAL SYSTEM; STEERING
- Mfr Comm. #:
- S2524000014
- Date Added:
- November 26, 2025
- Manufacturer:
- RAM
SummaryHeated Seats And Heated Steering Wheel Inoperative
Associated Products (26)2026 Dodge Charger2026 Jeep Wagoneer S2026 Ram 25002026 Ram 35002026 Ram 45002026 Ram 55002025 Dodge Charger2025 Jeep Wagoneer S2025 Ram 25002025 Ram 35002025 Ram 45002025 Ram 55002024 Dodge Charger2024 Jeep Wagoneer S2024 Ram 25002024 Ram 35002024 Ram 45002024 Ram 55002023 Ram 25002023 Ram 3500+ 6 moreAssociated Documents - November 19, 2025•Document ID: 11025732Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- S2523000088
- Date Added:
- November 26, 2025
- Manufacturer:
- RAM
SummaryVehicle Shifter Will Not Shift Out Of Park.
Associated Products (8)Associated Documents - November 18, 2025•Document ID: 11025715Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- 18-101-25
- Date Added:
- November 26, 2025
- Manufacturer:
- RAM
SummaryFlash: 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): ● 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 - 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. ● 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. ● P020A-00 - Cylinder 1 Injection Timing. ● 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. Customers may experience one or more of the following: ● Inverter drops out when shifting from park to drive. ● Diesel Exhaust Fluid level gauge inaccuracy This bulletin involves reprogramming the PCM with the latest available software.
Associated Products (1)Associated Documents - November 15, 2025•Document ID: 11025642Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- S2509000010
- Date Added:
- November 19, 2025
- Manufacturer:
- RAM
SummaryHigh Soot Load In the Diesel Particulate Filter (DPF) Setting DTC P242F
Associated Products (4)Associated Documents - November 14, 2025•Document ID: 11025641Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- S2308000034 REV.A
- Date Added:
- November 19, 2025
- Manufacturer:
- RAM
SummaryNo Wireless Charging Or Slow Wireless Charging
Associated Products (70)2026 Chrysler Pacifica2026 Chrysler Voyager2026 Dodge Charger2026 Jeep Compass2026 Jeep Grand Cherokee2026 Jeep Grand Cherokee L2026 Jeep Grand Wagoneer2026 Jeep Wagoneer2026 Jeep Wagoneer S2026 Ram 15002026 Ram 25002026 Ram 35002026 Ram 45002026 Ram 55002025 Chrysler Pacifica2025 Chrysler Voyager2025 Dodge Charger2025 Dodge Durango2025 Jeep Compass2025 Jeep Grand Cherokee+ 50 moreAssociated Documents - November 13, 2025•Document ID: 11025723Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- 108458
- Date Added:
- November 26, 2025
- Manufacturer:
- JEEP
SummaryDETECTOR - EVAPORATIVE SYSTEM INTEGRITY MODULE
Associated Products (62)2026 Chrysler Pacifica2026 Chrysler Voyager2026 Dodge Charger2026 Jeep Cherokee2026 Jeep Compass2026 Jeep Gladiator2026 Jeep Grand Wagoneer2026 Jeep Renegade2026 Jeep Wagoneer2026 Jeep Wrangler2026 Ram 15002026 Ram 25002026 Ram 35002026 Ram 45002026 Ram 55002025 Chrysler Pacifica2025 Chrysler Voyager2025 Dodge Charger2025 Jeep Cherokee2025 Jeep Compass+ 42 moreAssociated Documents - November 13, 2025•Document ID: 11025722Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- 108461
- Date Added:
- November 26, 2025
- Manufacturer:
- JEEP
SummaryDETECTOR - EVAPORATIVE SYSTEM INTEGRITY MODULE
Associated Products (62)2026 Chrysler Pacifica2026 Chrysler Voyager2026 Dodge Charger2026 Jeep Cherokee2026 Jeep Compass2026 Jeep Gladiator2026 Jeep Grand Wagoneer2026 Jeep Renegade2026 Jeep Wagoneer2026 Jeep Wrangler2026 Ram 15002026 Ram 25002026 Ram 35002026 Ram 45002026 Ram 55002025 Chrysler Pacifica2025 Chrysler Voyager2025 Dodge Charger2025 Jeep Cherokee2025 Jeep Compass+ 42 moreAssociated Documents - November 11, 2025•Document ID: 11025639Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- S2508000099
- Date Added:
- November 19, 2025
- Manufacturer:
- RAM
SummaryTrailer Light Check Appears on Vehicles Not Equipped With the Option
Associated Products (8)Associated Documents - November 8, 2025•Document ID: 11025504Service Bulletin/Repair InstructionsPOWER TRAIN
- Mfr Comm. #:
- 21-046-25
- Date Added:
- November 13, 2025
- Manufacturer:
- RAM
SummaryFlash: Transmission Control Module (TCM) 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): ● P0827-00 - Up and Down Shift Switch Circuit Low. ● P0826-00 - Up and Down Shift Switch Circuit. ● P085F-00 - Up and Down Shift Switch Circuit Range/Performance. The customer may describe one or more of the following: ● Vehicle stuck in default gear, and possibly stranded for many minutes. ● Rough or bumpy 2-3 power on upshifts and/or 3-2 coast down shifts. ● Vehicle enters into limp home mode. In addition, the following software enhancement is available: ● Decreased sensitivity to DTCs P1D8A and P1D8 This bulletin involves reprogramming the TCM with the latest available software.
Associated Products (1)Associated Documents