The LV_INH_RGN is the signal used to determine if the DPF is loaded or not. Luck in "Heidi land". Turning the switch to ON will PREVENT either Active Regeneration or Parked Regeneration from occurring.
The function terminates the on-going passive regeneration. When the Inhibit Regen Switch is not working properly, the engine will not start and may fail to run at all. What Happens if Your Truck Can No Longer Regen? –. Frequency of Unneeded Regens. The engine can derate when a needed regen does not occur, potentially causing downtime by leaving the vehicle in a state that is either undriveable or in "limp mode" where it can only operate at slow speeds. It is advisable to leave the switch in the off state when stationary and avoid excessive use.
This way, you can avoid costly mistakes. By accurately troubleshooting the problem, the solution should become evident. When this value is set to a value of 1, regeneration will not occur. DPF - When to Avoid Forced Regenerations. You are correct all fe/re lights and switches are in that panel by your right knee. Inhibit Switch: Some vehicles have a 'Inhibit Switch' which prevents the Aftertreatment Diesel Particulate Filter from regeneration. The ECM detected the aftertreatment diesel particulate filter regeneration permit switch was disabling regeneration while the ECM was requesting active regeneration of the aftertreatment diesel particulate filter.
5 gallons of fuel, causing fleets to burn away a valuable resource when the regen is not the solution. 2022 ACPI ( 1 PC)Trucks software $143. How to perform a parked regeneration on your 2010 EPA Compliant International Truck. Many vehicles come equipped with an "Inhibit Regen Switch" that prevents the Aftertreatment Diesel Particulate Filter from regeneration. Cummins ISX11.9 CM2250 (2010-12) Fault Code: 6416 PID: SPN: 3703 FMI: 31 Aftertreatment Regeneration Inhibited Due To Inhibit Switch - Condition Exists - EcuForce Truck. When the EVAR reaches this threshold, strategy 40A will become active. Do not perform a parked regeneration on grass or soil as the exhaust becomes very hot and can cause a fire.
If you are not aware of these limitations, you can force it yourself by pressing the manual "Regen" switch on the dash of your car. What happens if your truck can no longer regen? One is passive, which means that the DPF is cleaning itself - much like a self-cleaning oven - while you are driving down the road through heat built indirectly in the system. No it shouldnt skip a level. Regen light still on after regen. Fe/re do not have or use one. It will cause elevated exhaust temperatures, which could lead to injury or death. Otherwise, the DPF would be loaded to the extent that the regeneration switch does not trigger. Lift pump maybe????? If you need more guidance on understanding regen systems please contact your local Tallman dealership at 1-844-882-8785. The coolant temperature should be over 140°F. Wanted to try it both ways.
After the regeneration process, make sure you do not use the truck's steering wheel or put it into gear. Regen inhibited due to switch types. The switch is a mechanical component that prevents the regeneration of the DPF. INCREASED REPAIR TIMES. The process burns up the soot that has accumulated in the DPF and directs the gas back to the combustion process. It is a must for any business that wants to avoid the hassle and cost of overdraft fees.
Yes, unless you want to prevent the bus from regenerating automatically (active) at high enough driving speed, leave the switch in the "cancel" position. This feature is especially helpful because technicians can tell at a glance that a forced regen is not required if the truck is in regen zone 0 or 1. This happens without the lamp being solid (Level 1) prior to it flashing. An ATS service helps companies manage the hiring process. By fords description of this feature in there video. If you need to bring your car for a checkup, visit Dynamic Automotive Repair. What are the cons and pros of doing this? The engine must be shut off before the regeneration process can continue. Since this is in the PCM modules I wonder if it is accessable by Forscan?? Sorry if i miss lead you by saying all regen. Other Active Fault Codes. Here's what I gather from your posts: 1) The FE model doesn't have an MIL light. Regen inhibited due to switches. I know what the light looks like, but haven't found it. The DPF soot load reading must also be good.
2) For a passive regeneration to occur, does the REGEN INHIBT switch need to be in the "ON" or "CANCEL" position? It is an exclamation mark with exhaust running through it. These codes are only set with other fault codes logged for a period of time. Symptoms of a clogged DPF filter are excessive regens and long regens, last ing 60 minutes or longer. Repeated instances can threaten driver retention rates, and fleets risk lowering their on-time delivery rates. The ECMs on commercial truck engines will set a code that specifically states the vehicle is derated.
If you're unsure of what to expect, it is important to talk to your bank before you make an appointment. Diamond Logic Builder DLB 2019 Database 2019Navistar $50. Using the OR and logic functions, the LC_INH_RGN can be set to a logic "1" or "0". This prevents the regeneration process. I tried to do a parked regen while the light was on but it wouldn't do anything. Fault 1922 included troubleshooting steps that alerted users another fault on the vehicle would likely be fixed with a forced regen, leading to a high occurrence of necessary regens.
When this switch is off, your vehicle will not regen. The problem is that this often doesn't work as well. This switch must be turned on to prevent the Aftertreatment regeneration of the filter from being carried out. Regen is the key to improving performance of diesel engines. This sensor senses the pressure be t ween t he DPF filter and notifies the ACM (Aftertreatment) or ECU (Engine Control Unit) the pressure difference. Edited by - IC RE 1629 on 01/18/2008 05:21:26 AM. 1+TutorialsDetroit $15.
Regeneration of the diesel particulate filter has been prevented due to the permit switch being disabled. It has check box for auto on it now. Unfortunately the auto has not done anything and it has shown filled for 2 days. This is the information i have and from my expierences with these units. The inputs to the AND logic function 42 are the LV_ENA_STA_RGN and LC_DISA_RGN. Hey guys so I have a 2009 GMC sierra 2500 LMM duramax/allison ext cab 4x4 black. The regen inhibit switch international is a device used in vehicle ignition systems to interrupt the regeneration process. Technicians and fleets should keep the following points in mind when considering a forced regen. On many vehicles, y ou can NOT run a regen when a derate code is active.
If they are "on, " they must be turned "off" to prevent the DPF regen failing. I hope this helps you out. Call your driver manager and or your International dealer and tell them what's happened and ask for a tow to the nearest service location.