WenmarOpen by Wenmar Pro

Service bulletins for the 2018 Ram 3500

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.

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

By type

By component

By trouble code

By topic

Only bulletins with component: Fuel system are shown. Show all

Bulletins, newest first
S22140000032022-11-07. Service bulletin. FUEL SYSTEM, DIESEL. Guidelines For The Use Of Alternative Diesel Fuels.
1806120REVA2022-10-17. Service bulletin. SERVICE BRAKES; POWER TRAIN; BACK OVER PREVENTION; ELECTRICAL SYSTEM; EXTERIOR LIGHTING; FUEL SYSTEM, GASOLINE. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the Engine Control Module/Powertrain Control Module (ECM/PCM) with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following DTCs have been set:P2706 - MS Solenoid Circuit(Sales Code DG7 Only). P0868 - Line Pressure Low. P229F - Aftertreatment NOx Sensor Circuit Performance - Bank 1 Sensor 2. P207F - Reductant Quality Performance. P2509 - PCM/PCM Power Input Signal Intermittent. P0401 - EGR System Performance. P0870 - OD Hydraulic Pressure Test. P040B - Exhaust Gas Recirculation Temperature Sensor "A" Circuit Performance. P2201 - Aftertreatment NOx Sensor Circuit Performance - Bank 1 Sensor 1. P1C54 - SCR NOx Catalyst Missing. P249E - Closed Loop SCR Reductant Injection Control At Limit - Flow Too High. P0128 - Thermostat Rationality. P24C7 - Particulate Matter Sensor Temperature Circuit Performance. Customers may also comment on the following:Engine misfire in cold ambient temperatures. In addition, the following software enhancements are also available:Scan tool fan actuation test fix. Enabling diagnostics forDTC P208B- Reductant Pump 1 Control Performance. Unable to turn on the ability to set ?MAX? road speed using wiTECH scan tool. Mass Air Flow (MAF) sensor Out Of Range (OOR) low calibration. Improved 5-4 shift (reduce shift flare) after extended operation in 5th or 6th gear. Engine Manifold Pressure Misfire Monitor (EMP MFM) retune(Sales Code DG7 Only). Idle based misfire retune. Abort timer for Selective Catalytic Reduction (SCR) out NOx sensor missing change to 70 seconds. Map SCR missingFault/DTC P1C54to tampering inducement. Particulate Matter (PM) sensor false fault improvement. CC inner loop used up faults. Ultrasonic Flow Meter (UFM) test results fix. Engine run state idle unstable software fix. Ability to write Engine Serial Number (ESN
18-073-212022-08-22. Service bulletin. EXTERIOR LIGHTING; FUEL SYSTEM, GASOLINE; FUEL SYSTEM, DIESEL. Diesel Injector Freezing This bulletin involves installing a insulator over the Diesel Exhaust Fluid (DEF) injector. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes (DTCs) have been set: P218F - Reductant No Flow Detected. P202E - (Diesel Exhaust Fluid) Reductant Injector Performance. The customer will not notice any drivability issues associated with these DTCs. These DTCs may set when the vehicles is parked for a long time and the ambient temperatures are below -11 °C (12 °F).
90037792022-07-25. Service bulletin. FUEL SYSTEM, OTHER:FUEL FILTER; ENGINE AND ENGINE COOLING:ENGINE:DIESEL. Diesel Particulate Filter (DPF) Assembly For Cummins equipped vehicles ONLY: If a customer comes in with a check engine light for P2002 which has led to replacing the DPF, please contact Dean Armstrong at cell (248) 202-8148. Cummins engineering is currently investigating the root cause to this condition. If you do not receive an answer or call back within 15 minutes, proceed with the repair.
S1918000003 Rev.2020-11-30. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM; ENGINE. Revision A: Intermittent Engine Buck, Surge, or Misfire.
S20080001442020-10-26. Service bulletin. FUEL SYSTEM, GASOLINE. External Fuel Pump Relay Kit Now Available
90038142020-10-26. Service bulletin. FUEL SYSTEM, GASOLINE. Power Distribution Center If the PDC is being replaced due to a failed internal fuel pump relay, the relay can now be serviced as a separate component. Please use relay replacement KIT part number: 68510768A$.
90042992020-10-26. Service bulletin. FUEL SYSTEM, GASOLINE. Intelligent Power Distribution Center If the PDC requires replacement due to a failed internal fuel pump relay, the relay can now be serviced as a separate component. Please use relay replacement KIT part number: 68510768A$.
D-19-02 Rev. E2020-07-27. Service bulletin. ELECTRICAL SYSTEM; FUEL SYSTEM, DIESEL. Fast Feedback Program - 6.7L Cummins Engine - 2019 & 2020 HD Ram & 6.7L Cummins Diesel Engine Control Module (ECM) - 2018 Ram- All Models (Rev. E)
S20090000022020-06-22. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:ENGINE:DIESEL; FUEL SYSTEM, DIESEL. Oil Leak From The Front Timing Gear Housing Gasket. (Note: ETL, ETK, ETM, ETN Diesel Engines)
S16250000072020-06-22. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL; FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Code (DTC) P207F ? Reductant Quality Performance Set.
18-039-202020-05-26. Service bulletin. FUEL SYSTEM, GASOLINE. Possible Driveability Issues due to the Winter-Blend Fuel into the Warmer Season
90042462020-05-26. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. MODULE, Anti-Lock Brake System If ordering ECU PN 68347098AB or later to repair a C0020-01 ABS PUMP MOTOR CONTROL - GENERAL ELECTRICAL FAILURE, The HCU Hydraulic Control Unit can be replaced alone for this DTC. For any other DTC's follow published diagnostics.
18-089-192019-12-16. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE. wiTECH Small Leak Verification Test (SLVT) - P0456-EVAP SYSTEM SMALL LEAK
552722019-07-15. Service bulletin. FUEL SYSTEM, GASOLINE. Tube- Fuel Filler
551362019-07-15. Service bulletin. FUEL SYSTEM, GASOLINE. Tube- Fuel Filler
131102018-12-17. Service bulletin. FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY:FILLER PIPE AND CAP. Title 68146401AA: Tube - Fuel Filler Start Date: 10/19/2015 7:00 AM End Date Message You have been identified as either having stock, or have stock in transit to your dealership. Please return all suspect stock of following part number: 68146401AA. See the attached file for identifying suspect material. Please return suspect parts back to your facing depot using Return Code 02, before 09 November, 2015. Return any open orders in process too. Direct all questions via email to mopardmail@fcagroup.com.
130032018-12-17. Service bulletin. EQUIPMENT:OTHER:LABELS; FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES. Title Inspection and return of PN 68210332AA - FUEL PRESSURE SENSOR Start Date: 10/6/2015 7:00 AM End Date Message You are receiving this email as you have been identified to have stock on hand or have stock in transit to your dealership. Reports of dealers receiving incorrect fuel pressure sensors packaged as 68210332AA. Correct and suspect parts can be identified visually by the color of the label on the sensors. Correct sensors have white color label on the part whereas the suspect sensors have yellow colored labels. Reference pictures attached for visual identification. Please inspect stock on hand and return any suspect parts found back to your facing PDC using MRA code 02. Replacement parts can be obtained by reordering the same part number. Direct all questions via email to vn83@chrysler.com
68210300A2018-11-26. Service bulletin. FUEL SYSTEM, GASOLINE:STORAGE:AUXILLARY TANK. Fuel tank Before replacing this part, please call Keith Kerby on his Cell (248) 420-5540 OR Manuel Gandara on cell (248) 622 8109 ~ Mexican Dealers please call Ricardo Lozada at cell +52 1 55 1370 3187. If no return call in 15 minutes, continue with repair.
311272018-06-11. Service bulletin. FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY:FILLER PIPE AND CAP; FUEL SYSTEM, GASOLINE. Housing Assy - Fuel Filler Door Youhave been identified aseither having stock,or have stock in transit toyour dealership. Please return allsuspect stock of part numbers:68148794AH,68148794AF,68148794AD,68156453AH,68156453AF, 68156453AD,68161542AE,68161542AD.See attachment for identifying suspect material. Please return suspect partsback toyour facing depot using Return Code 02,before 19April,2017.

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