This is a handheld tool thatallows you to doa forced DPF regen, reset the aftertreatment system, and reset fault codes. The malfunction indicator lamp is commonly called the check engine light.if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[300,250],'donotdpfdelete_green-leader-2','ezslot_9',156,'0','0'])};__ez_fad_position('div-gpt-ad-donotdpfdelete_green-leader-2-0'); This error lamp is based on an the engine-management system and usually indicates a malfunction somewhere in the engine. The diagnostic scanner for your Freightliner enables you to perform forced DPF regeneration and diagnostics, read and erase the fault codes, graph live data, EVAP test, O2 sensor test, oil light reset, ABS testing and much more. One such issue that frequently pops up is the need to regen or clean out the diesel particulate filter. Now a flashing light is more serious as it indicates that your DPF must be regenerated urgently. How to Bypass the DPF Filter on Cummins Engines? This site is owned and operated by Dade Group LLC, a limited liability company headquartered in Texas, USA. Like most filters, a DPF has a finite lifespan and requires cleaning to remain effective and, eventually, replacing. . 2. By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. From my understanding a parked Regen is when the truck asked for a Regen to be performed while a forced regen is when you tell the truck through either the trucks menus or through a scan tool. The cost for a forced regeneration varies. 5+ Years, Please select ALL of your current, valid drivers licenses. for (i=0; i