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Service bulletins for the 2014 Ram 4500

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

431 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
68105583A2018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. Pentastar Oil Filter Adapter: Before replacing this part, please call any one of the following people. Engineering is seeking information regarding this part.~ Dye must be used to determine where the leak is coming from before replacing. Also please check the recently updated Service Bulletin Number 09-008-15. ~ First: Nick Morand Cell (248) 410-8078 - Nick.morand@fcagroup.com Second: Bob Jackson Cell (248) 944-0466 - bob.jackson@fcagroup.com Third: Joe Lovell Cell (734 309-6467 - joe.lovell@fcagroup.com If a response is not received within 15 mins, then proceed with the necessary repair.~
18-002-14 REV. C2018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. Flash: 6.7L Diagnostic And System Improvements This bulletin involves selectively erasing and reprogramming the Engine Control Module (ECM/PCM) with new software. Several software improvements are available for vehicles equipped with a Cummins 6.7L turbo Diesel.Prevent Or Reduce Malfunction Indicator Lamp (MIL) Illumination When No Defect is Present For The Following Diagnostic Trouble Codes (DTCs). These Faults Have Been Changed From A One Trip Fault To A Two Trip Fault: P0201 - P0206 - Fuel Injector X Circuit/Open Fault Codes. U110E - Lost Ambient Temperature Message. P049D - EGR Control Position Exceeding Learning Limit.Improvements To Prevent Or Reduce Malfunction Indicator Lamp (MIL) Illumination When No Defect Is Present For: U3017 - Control Module Timer/Clock Performance. P0087 - Fuel Rail Pressure Too Low. P0544 - Exhaust Gas Temperature Sensor Circuit - Sensor 1/1. P2281 - Air Leak Between MAF And Throttle Body. P0128 - Thermostat Rationality. In low ambient temperatures. U1421 - Implausible Ignition Key Off Time Received. P202E - Diesel Exhaust Fluid (DEF) Reductant Injector Performance. P20EE - SCR NOX Catalyst Efficiency Below Threshold - Bank 1. P2002 - Diesel Particulate Filter Efficiency Below Threshold. P0604 - Internal control Module RAM Error. This DTC may be caused by enabling the remote throttle feature via the EVIC, and it will be accompanied by a ?service electronic throttle control? message in the EVIC.Other Updates: Urea system calibration changes. Fuel Filter Minder Calibration Changes. Cruise control system improvements. Improvements in exhaust brake switch operation. Charging system improvements for dual alternator applications. Various wiTECH data and system test additions and improvements. OBD Template changes for P2453. Dual Fuel Tank component update. Inducement Timer Reset (Feature enable in wiTech). PTO Denied Status Message Update. PTO Horn Request sent to Body Control Unit (BCU.)
18-002-14 REV. B2018-06-11. Service bulletin. POWER TRAIN; ENGINE AND ENGINE COOLING. Flash: 6.7L Diagnostic And System Improvements This bulletin involves selectively erasing and reprogramming the Engine Control Module (ECM/PCM) with new software. Several software improvements are available for vehicles equipped with a Cummins 6.7L turbo Diesel.Software To Prevent Or Reduce Unnecessary Malfunction Indicator Lamp (MIL) Illumination For The Following Diagnostic Trouble Codes (DTCs). These DTCs Are Currently Tripped As A One Trip Fault And Should Have Been A Two Trip Fault: P0201-P0206-Fuel Injector X Circuit/Open Fault Codes. U110E - Lost Ambient Temperature Message. P049D - EGR Control Position Exceeding Learning Limit.Improvements To Prevent Or Reduce Unnecessary Malfunction Indicator Lamp (Mil) Illumination For: P0087 - Fuel Rail Pressure Too Low P0544 - Exhaust Gas Temperature Sensor Circuit - Sensor 1/1 P2281 - Air Leak Between MAF And Throttle Body P0128 - Thermostat Rationality. In low ambient temperatures U3017 - Control Module Timer/Clock Performance U1421 - Implausible Ignition Key Off Time Received P202E - Diesel Exhaust Fluid (DEF) Reductant Injector Performance P20EE - SCR NOX Catalyst Efficiency Below Threshold - Bank 1 P2002 - Diesel Particulate Filter Efficiency Below Threshold P0604 - Internal control Module RAM Error. This DTC may be caused by enabling the remote throttle feature via the EVIC, and it will be accompanied by a service electronic throttle control message in the EVIC.Other Updates: Urea system calibration changes Fuel Filter Minder Calibration Changes Cruise control system improvements Improvements in exhaust brake switch operation Charging system improvements for dual alternator applications Various wiTECH data and system test additions and improvements OBD Template changes for P2453 Dual Fuel Tank component update Inducement Timer Reset (Feature enable in wiTech) PTO Denied Status Message Update PTO Horn Request sent to Body Control Unit (BCU.)
25-005-142018-06-11. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL; FUEL SYSTEM, DIESEL. Diesel Exhaust Fluid This bulletin provides information regarding the Diesel Exhaust Fluid (DEF) vehicle delivery fill guidelines.
90017622018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. Part Description: Thermostat, Engine Issue Description: Important! There has been an application change to the Cummins turbo diesel thermostat. When replacing a thermostat confirm the correct replacement is choosen.~ 2010, 2011, and 2012 RAM Trucks 2500/3500/4500/5500 engine coolant operating temperature has been increased to 200 degrees requiring thermostat 68067109AA.~ 2009, 2013, and 2014 RAM Trucks 2500/3500/4500/5500 engine coolant operating temperature is 190 degrees requiring thermostat 68005464AA.~ These thermostats are not interchangeable and doing so will result in reduced engine performance.
09-004-142018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. Engine Oil Weep From Oil Filter Adapter and/or Oil Cooler This bulletin involves inspection of the oil filter adapter and oil cooler for signs of oil weepage and repairing as necessary. The Oil Filter Adapter (OFA) and/or oil cooler may weep oil.
18-034-142018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. P0520- Engine Oil Pressure Sensor Circuit This bulletin involves replacing the oil pressure sensor with a revised part. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find that the following Diagnostic Trouble Code (DTC) has been set: P0520 - Engine Oil Pressure Sensor Circuit
09-004-16 REV. A2018-06-04. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. Cummins Service Engine Replacement This bulletin involves replacing the engine assembly. Remanufactured long block or short block was installed during a prior repair. A new replacement engine will be installed.
90037402018-06-04. Service bulletin. ENGINE AND ENGINE COOLING. Oil Pan 2012-2017 Cummins engines with oil pan leaks, please inspect the shallow area of the oil pan for cracks. If cracks are found, please replace as necessary. Cracks are typically found above the cross member area. Please contact Chad Eichbrecht at cell (248) 309-2695 to arrange for part return or email chad.w.eichbrecht@fcagroup.com If you do not receive a response within 15 minutes, please proceed with normal repair.
18-096-162018-05-07. Service bulletin. POWER TRAIN; ENGINE AND ENGINE COOLING. Flash: 6.4L Diagnostic And System Improvements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. NOTE: **This bulletin contains optional software update that should only be used in situations where the customer is specifically complaining of a Drone Noise, Shudder, Pulsation, or Vibration under light throttle applications while vehicle is operating in MDS/ECO mode. There will be two separate software options displayed on the wiTECH flash tab. The software file released for this condition contains the verbiage ?OPTIONAL?. The other file is the standard software that does not contain improvements for the Drone/Shudder concern. If for some reason the customer finds this shudder improvement objectionable, the PCM software may be returned/reflashed to the standard version. Both software versions will address the remaining conditions noted in the bulletin. A small number of customers may experience a surge, shudder or pulsation type sensation when driving on smooth road surfaces at highway speeds of 64-129 km/h (40-80 mph).** During normal diagnostics a technician may find one or more of the following Diagnostic Trouble Codes (DTCs) present: · **P0335 - Crankshaft Position Sensor Circuit.** · P0300 - Multiple Cylinder Misfire, cold Idle misfire (DJ,D2 or DD vehicles only). · P030X - Cylinder Misfire (any cylinder). · P04D1 - Cooled EGR Temperature Sensor Circuit High. · P04D0 - Cooled EGR Temperature Sensor Circuit Low. · P2504 - Charging System Output High. · P0441 - Evap Purge System Performance. · P2066 - Fuel Level Sensor 2 Performance. · P0401 - EGR System Performance (DJ/D2 vehicles only). · P2096 - Downstream Fuel Trim System 1 Lean (DD/DP vehicles only). · P2098 - Downstream Fuel Trim System 2 Lean (DD/DP vehicles only). ·
18-028-16 REV. A2018-05-07. Service bulletin. ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. Flash: 6.7L Diagnostic And System Improvements This bulletin involves selectively erasing and reprogramming the Engine Control Module (ECM) with new software. Several software improvements are available for vehicles equipped with a Cummins 6.7L turbo Diesel. NOTE: There will be a choice between 2 calibrations. One for vehicles that utilize an ammonia sensor and one for vehicles that have had the ammonia sensor removed. Be sure to select the correct software based on vehicle configuration. Prevent or reduce Malfunction Indicator Lamp (MIL) illumination when no defect is present for the following Diagnostic Trouble Codes (DTCs). These faults have been changed from a one trip fault to a two trip fault: · P0201 - P0206 - Fuel Injector X Circuit/Open Fault Codes. · P049D - Exhaust Gas Recirculation (EGR) Control Position Exceeding Learning Limit. Improvements to prevent or reduce Malfunction Indicator Lamp (MIL) illumination when no defect is present for: · **P229E - NOx Sensor Circuit - Bank 1 Sensor 2 (For non-ammonia delete systems only). · P229F - Aftertreatment NOx Sensor Circuit Performance - Bank 1 Sensor 2 (For non-ammonia delete systems only). · P22A7 - NOx Sensor Heater Circuit Performance - Bank 1 Sensor 2 (For non-ammonia delete systems only). · U059F - Invalid Data Received From NOx Sensor "B" (For non-ammonia delete systems only). · P2459 - Diesel Particulate Filter Regeneration Too Frequent. · P218F - Reductant No Flow Detected. · P242F - Diesel Particulate Filter Restriction - Ash Accumulation.** · P1C55 - NOx Sensor Intermittent - Bank 1 Sensor 1 (For ammonia delete systems only). · P205E - (Diesel Exhaust Fluid) Reductant Tank Temperature Sensor Circuit Intermittent (setting when the block heater is plugged in). · P20E8 - (Diesel Exhaust Fluid) Reductant Pressure Too Low. · U110E - Lost Ambient Temperature Message. · U3017 - Control Module Timer/Clock Performance.
RL108213A$2017-11-03. Service bulletin. ENGINE AND ENGINE COOLING. NAG1 (5A580) Valve Body As per Warranty Bulletin D-13-22, please use R2108213A$ valve body for all Warranty (W), Mopar (M) and Mopar Vehicle Protection (F) claims.~ Assembly also includes Filter (52108325AA) and Gasket (52108332AA).~
90033552017-11-03. Service bulletin. ENGINE AND ENGINE COOLING. 3.2L - 3.6L Cylinder Head Assy Multiple cylinder head replacement. If a cylinder head is replaced on a vehicle more than 1 time for any reason, please call any of the following people. First: Joe Lovell - Cell (734) 309-6467 joe.lovell@fcagroup.com Second: Kevin Refalo - Cell (248) 260-0738 Kevin.refalo@facgroup.com If no response in 15 minutes, proceed with repair.
68210071A$2017-11-03. Service bulletin. ENGINE; ELECTRICAL SYSTEM. Intake Grid Heater Grid Heater Relay 2012 - 2016 6.7L Cummins engines with Intake Heater issues or DTC P2609 and P0542, please replace the Intake Heater Grid and Relay as a set. 68210071A$ (relay) and 05187880A$ (grid). Inspect electrical cable between the heater grid and relay for signs of possible overheating. Replace cable as necessary.
68232786A$2017-11-03. Service bulletin. ENGINE AND ENGINE COOLING. Housing: Oil Filter Adapter Cummins equipped trucks ONLY; If you are replacing the oil filter adapter as a result of thread damage to the oil filter connector (Spud), DO NOT replace the entire adapter assembly. The oil filter connector is available separately (Part Number 04429355).~ If ordering an adapter due to some other issue, you must also order an oil bypass valve Mopar Part # 04797726AB, as these are not reusable. Please refer to all applicable published service information for oil bypass valve installation
18-038-162016-06-22. Service bulletin. ENGINE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
D-13-372016-06-02. Service bulletin. ENGINE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
25-006-132016-05-13. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
25-005-142016-05-13. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
18-038-142016-04-26. Service bulletin. ENGINE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
11-004-142016-04-26. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
09-004-142016-04-26. Service bulletin. ENGINE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.