Ram 4500 Service Bulletins (2026)
169 manufacturer communications on file.
- August 21, 2026•Document ID: 11036360Service Bulletin/Repair InstructionsENGINE
- Mfr Comm. #:
- 07-006-26
- Date Added:
- August 26, 2026
- Manufacturer:
- RAM
SummaryEngine Overheat Customers may comment on the following: ● Vehicle overheating. ● Temperature gauge is reading hot. ● Overheat symbol is illuminated in Instrument Panel Cluster (IPC). This bulletin involves inspecting the thermostat housing part number and, if necessary, replacing the thermostat.
Associated Products (4)Associated Documents - August 20, 2026•Document ID: 11036352Service Bulletin/Repair InstructionsSTRUCTURE:BODY; ELECTRICAL SYSTEM
- Mfr Comm. #:
- 08-315-26
- Date Added:
- August 26, 2026
- Manufacturer:
- RAM
SummaryFlash: Integrated Trailer Control Module (ITCM) Update Customers may experience the following: SYMPTOM: ● 'Check Trailer Turn Lamp' message in the Instrument Panel Cluster (IPC) with no trailer connected. This bulletin involves inspecting and possibly reprogramming the ITCM with the latest software.
Associated Products (4)Associated Documents - August 17, 2026•Document ID: 11036366Service Bulletin/Repair InstructionsENGINE
- Mfr Comm. #:
- 9100882
- Date Added:
- August 26, 2026
- Manufacturer:
- RAM
SummaryPULLEY Fan If replacing 68209745AA, also replace 68723388AA, 05086958AB, and 68000833AD. Retain bolts, mark each with its original location, and submit a STAR ticket for parts return. Bolt P/Ns: 68005469AA, 03928873, 68445520AA, 04886003AA.
Associated Products (8)Associated Documents - August 7, 2026•Document ID: 11036177Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- 9100879
- Date Added:
- August 13, 2026
- Manufacturer:
- RAM
SummaryFront Passenger Display Module 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 (10)Associated Documents - August 6, 2026•Document ID: 11036174Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- 113795
- Date Added:
- August 13, 2026
- Manufacturer:
- RAM
SummaryHEADLAMP
Associated Products (8)Associated Documents - August 6, 2026•Document ID: 11036173Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- 113743
- Date Added:
- August 13, 2026
- Manufacturer:
- RAM
SummaryHEADLAMP
Associated Products (8)Associated Documents - August 1, 2026•Document ID: 11035977Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; POWER TRAIN
- Mfr Comm. #:
- 08-302-26
- Date Added:
- August 6, 2026
- Manufacturer:
- RAM
SummaryFlash: Electronic Shift Module (ESM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set the following Diagnostic Trouble Code (DTC): ● U1057-00 - High Speed Fd-Can3 Communication Bus Performance. Customers may also comment on the following: ● If the vehicle has a low or drained battery and requires a jump start, once jump started, the vehicle will not shift out of Park. This bulletin involves reprogramming the ESM with the latest available software.
Associated Products (4)Associated Documents - July 29, 2026•Document ID: 11035982Service Bulletin/Repair InstructionsENGINE; ELECTRICAL SYSTEM
- Mfr Comm. #:
- 113754
- Date Added:
- August 6, 2026
- Manufacturer:
- RAM
SummarySENSOR - EXHAUST TEMPERATURE
Associated Products (6)Associated Documents - July 29, 2026•Document ID: 11035981Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; ENGINE
- Mfr Comm. #:
- 113744
- Date Added:
- August 6, 2026
- Manufacturer:
- RAM
SummarySENSOR - TURBOCHARGER SPEED
Associated Products (24)Associated Documents - July 29, 2026•Document ID: 11035980Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; ENGINE
- Mfr Comm. #:
- 113742
- Date Added:
- August 6, 2026
- Manufacturer:
- RAM
SummarySENSOR - TURBOCHARGER SPEED
Associated Products (24)Associated Documents - July 23, 2026•Document ID: 11035335Service Bulletin/Repair InstructionsSTRUCTURE:BODY
- Mfr Comm. #:
- 113546
- Date Added:
- July 29, 2026
- Manufacturer:
- RAM
SummaryHEADLAMP - NONE
Associated Products (8)Associated Documents - July 23, 2026•Document ID: 11035334Service Bulletin/Repair InstructionsSTRUCTURE:BODY
- Mfr Comm. #:
- 113547
- Date Added:
- July 29, 2026
- Manufacturer:
- RAM
SummaryHEADLAMP - NONE
Associated Products (8)Associated Documents - July 18, 2026•Document ID: 11035169Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- 08-286-26
- Date Added:
- July 23, 2026
- Manufacturer:
- RAM
SummaryFlash: DEF Dosing Control Unit (DCU) Software 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): ● P218F 00 - Reductant No Flow Detected ● P202E 00 - Reductant Injection Valve Circuit Performance In addition, the following software enhancements are available: ● System State feedback fix, data variant selection fix. This bulletin involves reprogramming the BPCM with the latest available software.
Associated Products (4)Associated Documents - July 14, 2026•Document ID: 11035197Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- S2508000109 REV.B
- Date Added:
- July 23, 2026
- Manufacturer:
- RAM
SummaryInstrument Cluster Fuel and Coolant Temperature Gauge Do Not Reset To The Home Position And Show Incorrect Values
Associated Products (5)Associated Documents - July 10, 2026•Document ID: 11035087Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- S2608000032
- Date Added:
- July 18, 2026
- Manufacturer:
- RAM
SummaryInstrumental Panel Cluster (IPC) Mechanical Gauge Stuck, Inaccurate
Associated Products (10)Associated Documents - July 7, 2026•Document ID: 11035079Service Bulletin/Repair InstructionsENGINE
- Mfr Comm. #:
- 113295
- Date Added:
- July 18, 2026
- Manufacturer:
- RAM
SummaryVALVE KIT – EGR and VALVE - EGR BYPASS
Associated Products (8)Associated Documents - July 6, 2026•Document ID: 11035086Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; POWER TRAIN
- Mfr Comm. #:
- S2523000088 REV.B
- Date Added:
- July 18, 2026
- Manufacturer:
- RAM
SummaryVehicle Shifter Will Not Shift Out Of Park.
Associated Products (8)Associated Documents - July 6, 2026•Document ID: 11035075Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- 113276
- Date Added:
- July 18, 2026
- Manufacturer:
- JEEP
SummaryCORE – HEATER
Associated Products (39)2026 Jeep Grand Wagoneer2026 Ram 15002026 Ram 25002026 Ram 35002026 Ram 45002026 Ram 55002025 Jeep Grand Wagoneer2025 Jeep Wagoneer2025 Ram 15002025 Ram 25002025 Ram 35002025 Ram 45002025 Ram 55002024 Jeep Grand Wagoneer2024 Jeep Wagoneer2024 Ram 15002024 Ram 25002024 Ram 35002024 Ram 45002024 Ram 5500+ 19 moreAssociated Documents - July 6, 2026•Document ID: 11035074Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- 113277
- Date Added:
- July 18, 2026
- Manufacturer:
- JEEP
SummaryCORE – HEATER
Associated Products (39)2026 Jeep Grand Wagoneer2026 Ram 15002026 Ram 25002026 Ram 35002026 Ram 45002026 Ram 55002025 Jeep Grand Wagoneer2025 Jeep Wagoneer2025 Ram 15002025 Ram 25002025 Ram 35002025 Ram 45002025 Ram 55002024 Jeep Grand Wagoneer2024 Jeep Wagoneer2024 Ram 15002024 Ram 25002024 Ram 35002024 Ram 45002024 Ram 5500+ 19 moreAssociated Documents - July 6, 2026•Document ID: 11035065Service Bulletin/Repair InstructionsSTRUCTURE:BODY; ELECTRICAL SYSTEM
- Mfr Comm. #:
- 9100803 Rev 3
- Date Added:
- July 18, 2026
- Manufacturer:
- RAM
SummaryFront Fog Lamp RT 1) If the 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.
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