Ram 4500 Service Bulletins (2026)
188 manufacturer communications on file.
- October 21, 2026•Document ID: 11038749Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; WHEELS
- Mfr Comm. #:
- 08-377-26 REV. B
- Date Added:
- October 29, 2026
- Manufacturer:
- RAM
SummaryTire Pressure Monitoring System (TPMS) Red XX Displayed and/or Warning Indicator Illuminated 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): ● C1501-31 - Tire Pressure Sensor 1-No Signal. ● C1502-31 - Tire Pressure Sensor 2-No Signal. ● C1503-31 - Tire Pressure Sensor 3-No Signal. ● C1504-31 - Tire Pressure Sensor 4-No Signal. ● C1505-31 - Tire Pressure Sensor 5-No Signal. ● C1506-31 - Tire Pressure Sensor 6-No Signal. Customers may also comment on the following: ● TPMS displaying red "XX" for one or more sensors and/or the tire pressure warning light is on in the Instrument Panel Cluster (IPC). This bulletin involves scanning the TPMS sensors and replacing TPM sensor(s) found in the provided table.
Associated Products (8)Associated Documents - October 20, 2026•Document ID: 11038753Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- 08-385-26
- Date Added:
- October 29, 2026
- Manufacturer:
- RAM
SummaryFlash: Trailer Tow Module (TTM) Update Customers may experience the following: SYMPTOM: ● 'Check Trailer Turn Lamp' message is displayed in the Instrument Panel Cluster (IPC) with no trailer connected. This bulletin involves inspecting and possibly reprogramming the TTM with the latest software.
Associated Products (4)Associated Documents - October 19, 2026•Document ID: 11038777Service Bulletin/Repair InstructionsFUEL/PROPULSION SYSTEM
- Mfr Comm. #:
- S2625000006
- Date Added:
- October 29, 2026
- Manufacturer:
- RAM
SummaryEVIC Message "service DEF system see dealer" and Malfunction Indicator Lamp (MIL) Illuminated. Diagnostic Trouble Codes (DTC)s P218F, P202E, P2D1F, P2EAE
Associated Products (3)Associated Documents - October 17, 2026•Document ID: 11038634Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; WHEELS
- Mfr Comm. #:
- 08-377-26 REV. A
- Date Added:
- October 22, 2026
- Manufacturer:
- RAM
SummaryTire Pressure Monitoring System (TPMS) Red XX Displayed and/or Warning Indicator Illuminated 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): ● C1501-31 - Tire Pressure Sensor 1-No Signal. ● C1502-31 - Tire Pressure Sensor 2-No Signal. ● C1503-31 - Tire Pressure Sensor 3-No Signal. ● C1504-31 - Tire Pressure Sensor 4-No Signal. ● C1505-31 - Tire Pressure Sensor 5-No Signal. ● C1506-31 - Tire Pressure Sensor 6-No Signal. Customers may also comment on the following: ● TPMS displaying red "XX" for one or more sensors and/or the tire pressure warning light is on in the Instrument Panel Cluster (IPC). This bulletin involves scanning the TPMS sensors and replacing TPM sensor(s) found in the provided table.
Associated Products (4)Associated Documents - October 16, 2026•Document ID: 11038669Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- S2608000039
- Date Added:
- October 22, 2026
- Manufacturer:
- RAM
SummaryTrailer Reverse Steering Control Radio Soft Button Blinks Even Without a User-Initiated Calibration
Associated Products (14)Associated Documents - October 15, 2026•Document ID: 11038633Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; WHEELS
- Mfr Comm. #:
- 08-377-26
- Date Added:
- October 22, 2026
- Manufacturer:
- RAM
SummaryTire Pressure Monitoring System (TPMS) Red XX Displayed and/or Warning Indicator Illuminated 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): ● C1501-31 - Tire Pressure Sensor 1-No Signal. ● C1502-31 - Tire Pressure Sensor 2-No Signal. ● C1503-31 - Tire Pressure Sensor 3-No Signal. ● C1504-31 - Tire Pressure Sensor 4-No Signal. ● C1505-31 - Tire Pressure Sensor 5-No Signal. ● C1506-31 - Tire Pressure Sensor 6-No Signal. Customers may also comment on the following: ● TPMS displaying red "XX" for one or more sensors and/or the tire pressure warning light is on in the Instrument Panel Cluster (IPC). This bulletin involves scanning the TPMS sensors and replacing TPM sensor(s) found in the provided table.
Associated Products (4)Associated Documents - October 5, 2026•Document ID: 11038553Service Bulletin/Repair InstructionsSTRUCTURE:BODY
- Mfr Comm. #:
- 114913
- Date Added:
- October 16, 2026
- Manufacturer:
- RAM
SummaryMIRROR - OUTSIDE REARVIEW
Associated Products (8)Associated Documents - October 5, 2026•Document ID: 11038516Service Bulletin/Repair InstructionsSTRUCTURE:BODY
- Mfr Comm. #:
- 114913
- Date Added:
- October 16, 2026
- Manufacturer:
- RAM
SummaryMIRROR - OUTSIDE REARVIEW
Associated Products (8)Associated Documents - September 30, 2026•Document ID: 11038319Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- 9100926
- Date Added:
- October 7, 2026
- Manufacturer:
- JEEP
SummaryWIRELESS CHARGER Welcome GREEN LED not turning ON after multiple IGN ON/OFF without sleep cycle and no phone on the charging pads. Part numbers affected: 68630089AA 68630088AB 68649038AA Welcome Green LED turns on for 1 second after multiple IGN ON/OFF without sleep cycle and no phone on the charging pad. Intent of this condition is to notify the customer/dealership that the Wireless Charging Pad is ready to charge. Do not report as warranty claim, no impact to wireless charger functionality. Part numbers affected: 68630089AB 68630088AD 68649038AB Advice to dealership: Do no replace wireless charger PNs 68630089AA,68630088AB,68649038AA if no Welcome GREEN LED is seen after multiple IGN ON/OFF without sleep cycle and no phone on the charging pads. This feature is available in the successor NIKs, no impact to wireless charger functionality.
Associated Products (30)2027 Dodge Charger2027 Jeep Cherokee2027 Jeep Grand Cherokee2027 Jeep Grand Cherokee L2027 Jeep Wagoneer S2027 Ram 15002027 Ram 25002027 Ram 35002027 Ram 45002027 Ram 55002026 Dodge Charger2026 Jeep Grand Cherokee2026 Jeep Grand Cherokee L2026 Jeep Grand Wagoneer2026 Jeep Recon2026 Ram 15002026 Ram 25002026 Ram 35002026 Ram 45002026 Ram 5500+ 10 moreAssociated Documents - September 23, 2026•Document ID: 11037580Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; ENGINE
- Mfr Comm. #:
- 25-004-26 REV. A
- Date Added:
- September 30, 2026
- Manufacturer:
- RAM
SummaryExhaust Gas Temperature (EGT) Sensor Water Intrusion ’s VIN MUST be listed in VIP or your RSU VIN list. NOTE: This bulletin applies to ● The Vehicle MUST be built on or before February 16, 2026 (MDH North America, Enlarged 0216XX). Europe, Middle East & ● The vehicle MUST be equipped with a 6.7L I6 Cummins Turbo Africa, and India & Asia Diesel Engine (Sales Codes ETM or ETN). Pacific markets. CUSTOMER Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may SYMPTOM: exhibit/set the following Diagnostic Trouble Code (DTC): ● P2482-00 - Exhaust Gas Temperature Sensor Circuit High - Bank 1 Sensor 5. Customers may also comment on the following: ● Soot load is too high and power derate occurs due to regen being disabled. This bulletin involves replacing the EGT sensors.
Associated Products (8)Associated Documents - September 15, 2026•Document ID: 11037476Service Bulletin/Repair InstructionsENGINE; ELECTRICAL SYSTEM
- Mfr Comm. #:
- 9100922
- Date Added:
- September 23, 2026
- Manufacturer:
- RAM
SummarySENSOR Exhaust Temperature If this sensor is being replaced due to an early-life P242B pending fault code, clear the fault code and perform the Powertrain Verification Test. Only replace the sensor if P242B returns as an active fault code.
Associated Products (6)Associated Documents - September 11, 2026•Document ID: 11037333Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- 08-331-26
- Date Added:
- September 17, 2026
- Manufacturer:
- RAM
SummaryFlash: Vehicle System Interface Module (VSIM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may SYMPTOM: exhibit/set the following Diagnostic Trouble Code (DTC): ● B2204-87 - Ecu Configuration Mismatch-Missing Message. Customers may comment on the following: ● Odometer is blinking while ignition is on. This bulletin involves inspecting and possibly reprogramming the VSIM with the latest available software.
Associated Products (8)Associated Documents - September 10, 2026•Document ID: 11037339Service Bulletin/Repair InstructionsENGINE; ELECTRICAL SYSTEM
- Mfr Comm. #:
- 25-004-26
- Date Added:
- September 17, 2026
- Manufacturer:
- RAM
SummaryExhaust Gas Temperature (EGT) Sensor Water Intrusion CUSTOMER Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may SYMPTOM: exhibit/set the following Diagnostic Trouble Code (DTC): ● P2482-00 - Exhaust Gas Temperature Sensor Circuit High - Bank 1 Sensor 5. Customers may also comment on the following: ● Soot load is too high and power derate occurs due to regen being disabled. This bulletin involves replacing the EGT sensors.
Associated Products (8)Associated Documents - September 8, 2026•Document ID: 11037365OtherELECTRICAL SYSTEM
- Mfr Comm. #:
- OTHERDOC_176
- Date Added:
- September 17, 2026
- Manufacturer:
- RAM
SummaryRadio Over The Air Update to U43.17 R1H Software Version (FOTA) Customers may experience one or more of the following:- Navigation Stability - Android Auto & Carplay stability & connectivity- Trailer Tow pages- Distorted/glitchy display prior to start‑up animation- Text appearance display- Widget incorrect display- Turn signal blind spot response timing- Audio cut out - Drive Modes selection- Park assist Guidelines selctio
Associated Products (4)Associated Documents - September 1, 2026•Document ID: 11037272Service Bulletin/Repair InstructionsENGINE
- Mfr Comm. #:
- 07-006-26 REV. A
- Date Added:
- September 10, 2026
- Manufacturer:
- RAM
SummaryEngine Overheat Customers may comment on the following: SYMPTOM: ● 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 (8)Associated Documents - September 1, 2026•Document ID: 11037262Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; AIR BAGS
- Mfr Comm. #:
- S2623000052 REV. A
- Date Added:
- September 10, 2026
- Manufacturer:
- JEEP
SummaryAirbag Warning Light On or Intermittent. The Occupant Restraint Controller (ORC) May Have The Following DTCs (Active/Stored)
Associated Products (38)2027 Dodge Charger2027 Jeep Grand Cherokee2027 Jeep Grand Cherokee L2027 Jeep Grand Wagoneer2027 Ram 25002027 Ram 35002027 Ram 45002027 Ram 55002026 Dodge Charger2026 Jeep Cherokee2026 Jeep Grand Cherokee2026 Jeep Grand Cherokee L2026 Jeep Grand Wagoneer2026 Jeep Wagoneer S2026 Ram 25002026 Ram 35002026 Ram 45002026 Ram 55002025 Dodge Charger2025 Jeep Grand Cherokee+ 18 moreAssociated Documents - August 31, 2026•Document ID: 11036758Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- 114259
- Date Added:
- September 3, 2026
- Manufacturer:
- RAM
SummaryMODULE - A/C AND HEATER
Associated Products (8)Associated Documents - August 26, 2026•Document ID: 11036754Service Bulletin/Repair InstructionsENGINE
- Mfr Comm. #:
- 114254
- Date Added:
- September 3, 2026
- Manufacturer:
- RAM
SummaryRADIATOR - ENGINE COOLING
Associated Products (32)Associated Documents - August 26, 2026•Document ID: 11036753Service Bulletin/Repair InstructionsENGINE
- Mfr Comm. #:
- 114255
- Date Added:
- September 3, 2026
- Manufacturer:
- RAM
SummaryRADIATOR - ENGINE COOLING
Associated Products (32)Associated Documents - 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 (8)Associated Documents