![]() The conditions here do not have to be met perfectly and they will force a regeneration to take place.Ī forced DPF regen is done in order for the system to verify that the aftertreatment system is in good and working order. Parked DPF regen: Truck asks for DPF regen and you start the DPF regen by hitting a button on the dash.įorced DPF Regen: A diagnostic scan tool at the dealer level will initiate a forced DPF regen. What’s the difference between parked DPF regen and forced DPF regen? It will continue to regen until the soot level has reached ‘low’ or ‘0%.’ Some trucks will let you monitor your soot level gauge on the dashboard. So be aware of what is going on so you can seek service as soon as possible. If you fail a parked DPF regen you need to be aware that this will only lead to more issues and/or more derates if you continue driving. ![]() Well, this can happen when the “active” regen failed for some reason. What happens if I can’t perform the parked DPF regen when I try? There are so many causes for a failed “active regen” because it relies on conditions that need to be met in order for it to happen. This happens when the soot reaches a certain threshold and starts the active process to burn the soot off. You may notice your engine running harder when this is in"active mode" What is an active DPF regen?Īn active DPF regen is when the truck does this process automatically. When this occurs your engine power and/or your speed will be limited. The short answer is, Yes! If you keep driving your truck without doing a parked DPF regen your truck will enter a derated mode. Do you actually need to do a parked DPF regen when the truck is asking for it? ![]() When your truck is requesting a parked DPF regen it means that the passive DPF regen your truck already went through was not enough to burn the soot in your DPF filter. Every truck manufacturer designs this feature to appear when the soot level in the DPF filter reaches a certain level in order for the truck to keep operating. This light only comes on when the truck is requesting a parked DPF regen.
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