WenmarOpen by Wenmar Pro

P218F on the 2015 Ram 3500

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

Nobody has written a description of this code yet.

Bulletins for this model year that name P218F
18076222022-12-19. Service bulletin. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the Engine Control Module/Powertrain ControlModule (ECM/PCM) with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation a technician may find one or more of thefollowing DTCs have been set: P064F - Unauthorized Software/Calibration Detected. P202E - (Diesel Exhaust Fluid) Reductant Injector Performance. P24A5 - EGR Cooler Bypass Bank 1 Control Stuck. P1C55 - NOx Sensor Intermittent ? Bank 1 Sensor 1. P0301 - Cylinder 1 Misfire. P0302 - Cylinder 2 Misfire. P0303 - Cylinder 3 Misfire. P0304 - Cylinder 4 Misfire. P0305 - Cylinder 5 Misfire. P0306 - Cylinder 6 Misfire. P020A - Fuel Injector 1 Performance. P020B - Fuel Injector 2 Performance. P020C - Fuel Injector 3 Performance. P020D - Fuel Injector 4 Performance. P020E - Fuel Injector 5 Performance. P020F - Fuel Injector 6 Performance. U0001 - Can C Bus. P1451 - Diesel Particulate Filter System Performance. P229E - NOx Sensor Circuit - Bank 1 Sensor 2. P218F - Reductant No Flow Detected. P242F - Diesel Particulate Filter Restriction - Ash Accumulation. P205E - (Diesel Exhaust Fluid) Reductant Tank Temperature Sensor CircuitIntermittent (setting when the block heater is plugged in). U110E - Lost Ambient Temperature Message. P20E8 - (Diesel Exhaust Fluid) Reductant Pressure Too Low. P2281 - Air Leak Between MAF And Throttle Body. P1477 - Intake Air Diverter Valve Position Sensor Circuit Shorted To Ground. U1421 - Implausible Ignition Key Off Time Received. P026B - Injection Timing Performance. In addition, the following software enhancements are also available: A/C pressure sensor update. Improvements made to reduce misfire. wiTECH engine cooling fan actuation test update. Improved Exhaust Gas Recirculation (EGR) valve response. Over Running Clutch (ORC) software improvement. Unpleasantodor in the vehicle at low speeds during regeneration cycle.
18-037-162022-10-24. Service bulletin. Flash: 6.7L Diagnostic And System Improvements This bulletin involves reprogramming the Engine Control Module/Powertrain Control Module (ECM/PCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation a technician may find one or more of the following Diagnostic Trouble Codes (DTCs) set in the PCM memory: · **P218F - Reductant No Flow Detected. · P242F - Diesel Particulate Filter Restriction - Ash Accumulation.** · P205E - (Diesel Exhaust Fluid) Reductant Tank Temperature Sensor Circuit Intermittent (setting when the block heater is plugged in). · U110E - Lost Ambient Temperature Message. · P20E8 - (Diesel Exhaust Fluid) Reductant Pressure Too Low. · P2281 - Air Leak Between MAF And Throttle Body. · P1477 - Intake Air Diverter Valve Position Sensor Circuit Shorted To Ground. · U1421 - Implausible Ignition Key Off Time Received. · P026B - Injection Timing Performance. In addition to addressing the above DTCs, the following powertrain system improvements/enhancements are also included in this software release: · **Ambient Air Temperature Improvements. · 68RFE Transmission Overall Shift Quality Improvements.** · SCR Efficiency scan tool test improvement. · Charging system improvements for single alternator applications (Changes the cutout threshold from 600 to 500 RPM). · Diesel Exhaust Fluid (DEF) system calibration improvement during Stationary Regeneration. · Cold idle speed stability improvement. · Charging system improvements for dual alternator applications. · Torque increase to 865 ft/lbs (D2 vehicles equipped with the Aisin transmission sales code DF2 only). · Fuel Filter Minder calibration changes. · wiTECH Fuel Pressure Override and Fuel System Run Up test improvements.
18113222022-09-26. Service bulletin. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. There will be a choice between two calibrations. One for vehicles that utilize an ammonia sensor and one for vehicles that have hadthe ammonia sensor removed. Be sure to select the correct software based on vehicle configuration.Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Uponfurther investigation the technician may find that one or more of the following DTCs have been set: P064F - Unauthorized Software/Calibration Detected. P202E - (Diesel Exhaust Fluid) Reductant Injector Performance. P24A5 - EGR Cooler Bypass Bank 1 Control Stuck. U0001 - Can C Bus. P20EE - Selective Catalytic Reduction (SCR) NOx Catalyst Efficiency BelowThreshold - Bank 1 (For ammonia sensor equipped vehicles). P1C55 - NOx Sensor Intermittent - Bank 1 Sensor 1 (For ammonia sensor deletedsystems only). P218F - Reductant No Flow Detected. P242F - Diesel Particulate Filter Restriction - Ash Accumulation. U110E - Lost Ambient Temperature Message. P205E - (Diesel Exhaust Fluid) Reductant Tank Temperature Sensor CircuitIntermittent (setting when the block heater is plugged in). P20E8 - (Diesel Exhaust Fluid) Reductant Pressure Too Low. U3017 - Control Module Timer/Clock Performance. U1421 - Implausible Ignition Key Off Time Received. P2281 - Air Leak Between MAF And Throttle Body. In addition, the following software enhancements are also available: A/C pressure sensor update. wiTECH engine cooling fan actuation test update. Ambient air temperature improvements. Operational improvement for dual alternators. Selective Catalytic Reduction (SCR) efficiency scan tool test improvement. Fuel filter minder calibration changes. wiTECH Fuel Pressure Override and Fuel System Run Up test improvements. Exhaust Gas Recirculation (EGR) system improvement to help prevent freezeup. Diesel Exhaust Fluid (DEF) system enhancement during stationary regeneration.
18-037-162022-09-15. Service bulletin. Flash: 6.7L Diagnostic And System Improvements This bulletin involves reprogramming the Engine Control Module/Powertrain Control Module (ECM/PCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation a technician may find one or more of the following Diagnostic Trouble Codes (DTCs) set in the PCM memory: · P218F - Reductant No Flow Detected. · P242F - Diesel Particulate Filter Restriction - Ash Accumulation. · P205E - (Diesel Exhaust Fluid) Reductant Tank Temperature Sensor Circuit Intermittent (setting when the block heater is plugged in). · U110E - Lost Ambient Temperature Message. · P20E8 - (Diesel Exhaust Fluid) Reductant Pressure Too Low. · P2281 - Air Leak Between MAF And Throttle Body. · P1477 - Intake Air Diverter Valve Position Sensor Circuit Shorted To Ground. · U1421 - Implausible Ignition Key Off Time Received. · P026B - Injection Timing Performance. In addition to addressing the above DTCs, the following powertrain system improvements/enhancements are also included in this software release: · **NOx sensor calibration improvements. (Sales Code DG7). · Enhanced software for a No crank/No start issue. (U0100 - Lost Communication · Ambient Air Temperature (AAT) improvements. · 68RFE Transmission overall shift quality improvements. · SCR Efficiency scan tool test improvement. · Charging system improvements for single alternator applications (Changes the cutout threshold from 600 to 500 RPM). · Diesel Exhaust Fluid (DEF) system calibration improvement during Stationary Regeneration. · Cold idle speed stability improvement. · Charging system improvements for dual alternator applications. · Torque increase to 865 ft/lbs (D2 vehicles equipped with the Aisin transmission sales code DF2 only). · Fuel Filter Minder calibration changes. · wiTECH Fuel Pressure Override and Fuel System Run Up test improvements.
18-073-212022-08-22. Service bulletin. 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).
18-037-162018-06-11. Service bulletin. Flash: 6.7L Diagnostic And System Improvements This bulletin involves reprogramming the Engine Control Module/Powertrain Control Module (ECM/PCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation a technician may find one or more of the following Diagnostic Trouble Codes (DTCs) set in the PCM memory: · **P218F - Reductant No Flow Detected. · P242F - Diesel Particulate Filter Restriction - Ash Accumulation.** · P205E - (Diesel Exhaust Fluid) Reductant Tank Temperature Sensor Circuit Intermittent (setting when the block heater is plugged in). · U110E - Lost Ambient Temperature Message. · P20E8 - (Diesel Exhaust Fluid) Reductant Pressure Too Low. · P2281 - Air Leak Between MAF And Throttle Body. · P1477 - Intake Air Diverter Valve Position Sensor Circuit Shorted To Ground. · U1421 - Implausible Ignition Key Off Time Received. · P026B - Injection Timing Performance. In addition to addressing the above DTCs, the following powertrain system improvements/enhancements are also included in this software release: · **Ambient Air Temperature Improvements. · 68RFE Transmission Overall Shift Quality Improvements.** · SCR Efficiency scan tool test improvement. · Charging system improvements for single alternator applications (Changes the cutout threshold from 600 to 500 RPM). · Diesel Exhaust Fluid (DEF) system calibration improvement during Stationary Regeneration. · Cold idle speed stability improvement. · Charging system improvements for dual alternator applications. · Torque increase to 865 ft/lbs (D2 vehicles equipped with the Aisin transmission sales code DF2 only). · Fuel Filter Minder calibration changes. · wiTECH Fuel Pressure Override and Fuel System Run Up test improvements.
18-037-16 REV. A2018-06-04. Service bulletin. Flash: 6.7L Diagnostic And System Improvements This bulletin involves reprogramming the Engine Control Module/Powertrain Control Module (ECM/PCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation a technician may find one or more of the following Diagnostic Trouble Codes (DTCs) set in the PCM memory: · P218F - Reductant No Flow Detected. · P242F - Diesel Particulate Filter Restriction - Ash Accumulation. P205E - (Diesel Exhaust Fluid) Reductant Tank Temperature Sensor Circuit Intermittent (setting when the block heater is plugged in). · U110E - Lost Ambient Temperature Message. · P20E8 - (Diesel Exhaust Fluid) Reductant Pressure Too Low. · P2281 - Air Leak Between MAF And Throttle Body. P1477 - Intake Air Diverter Valve Position Sensor Circuit Shorted To Ground. U1421 - Implausible Ignition Key Off Time Received. · P026B - Injection Timing Performance. In addition to addressing the above DTCs, the following powertrain system improvements/enhancements are also included in this software release: · NOx sensor calibration improvements. (Sales Code DG7). Enhanced software for a No crank/No start issue. (U0100 - Lost Communication With ECM/PCM). (Sales Code DG7).** · Ambient Air Temperature (AAT) improvements. · 68RFE Transmission overall shift quality improvements. · SCR Efficiency scan tool test improvement. · Charging system improvements for single alternator applications (Changes the cutout threshold from 600 to 500 RPM). · Diesel Exhaust Fluid (DEF) system calibration improvement during Stationary Regeneration. · Cold idle speed stability improvement. Charging system improvements for dual alternator applications. · Torque increase to 865 ft/lbs (D2 vehicles equipped with the Aisin transmission sales code DF2 only). Fuel Filter Minder calibration changes. · wiTECH Fuel Pressure Override and Fuel System Run Up test improvements.
18-099-162017-11-03. Service bulletin. Flash: 6.7L Diagnostic And System Improvements This bulletin involves reprogramming the Engine Control Module (ECM) with the latest available software. Several software improvements are available for vehicles equipped with a Cummins 6.7L turbo diesel. NOTE: There will be a choice between two 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. Improvements to prevent or reduce Malfunction Indicator Lamp (MIL) illumination when no defect is present for the following Diagnostic Trouble Codes (DTCs): · **P20EE - Selective Catalytic Reduction (SCR) NOx Catalyst Efficiency Below Threshold - Bank 1 (For ammonia sensor equipped vehicles).** · P1C55 - NOx Sensor Intermittent - Bank 1 Sensor 1 (For ammonia sensor deleted systems only). · P218F - Reductant No Flow Detected. · P242F - Diesel Particulate Filter Restriction - Ash Accumulation. · U110E - Lost Ambient Temperature Message. · 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. · U3017 - Control Module Timer/Clock Performance. · U1421 - Implausible Ignition Key Off Time Received. · P2281 - Air Leak Between MAF And Throttle Body. Other Software Improvements: · Ambient Air Temperature Improvements. · Operational Improvement for Dual Alternators. · Selective Catalytic Reduction (SCR) Efficiency scan tool test improvement. · Fuel Filter Minder calibration changes. · wiTECH Fuel Pressure Override and Fuel System Run Up test improvements. · Exhaust Gas Recirculation (EGR) system improvement to help prevent freeze up. · Diesel Exhaust Fluid (DEF) system enhancement during stationary regeneration.

8 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.