WebOct 13, 2024 · All it takes is a small piece of exposed line to freeze off and the line won't pass DEF. While your truck sits for hours in the mechanic's shop, that line easily thaws out. And no, the DEF has nothing to do with regens. Regens are to burn soot build up off the DPF (diesel particulate filter) matrix. WebAug 26, 2016 · Typically, there are 2 wires at the DEF Supply Line Heater. For this code, the easiest thing to do unplug the DEF Supply Line Heater connector. With the scan tool hooked up, see if code P20B9 DEF Supply …
Fault Code: 3261 SPN: 4342 FMI: 5
WebMar 3, 2024 · Def line heater open circuit. Freightliner cascadia def Busted knuckle by diesel dr 10K views 1 year ago DEF line 1 heater issue and replacement Simon Says 17K views 2 years ago... WebJan 19, 2024 · The Cummins ECM also gets a feedback voltage signal from the DEF dosing unit relay. This voltage signal (of 24V) on this model goes to the DEF pump and the Cummins ECM, which determines if the relay … great in latin
SPN 4340 DEF Heater Line Test using Cummins Insite …
WebMar 6, 2024 · How to replace DEF heat line # 2 on 2011 Freightliner Coronado DD15 engine. Make Money Trucking 10K subscribers Subscribe 7.1K views 1 year ago … WebNov 27, 2024 · Pretty sure the heating line has a complete circuit. So its either the harness that powers it or it just came lose somehow and triggered the code. From experimenting with the other heaters, once the code is tripped it wont go away on its own. Going to have the codes cleared tomorrow and see what happens tiddlytanker, Nov 21, 2024 #5 + Quote … WebDisconnect the DEF lines (3,4) between the DEF pump and the tank. Disconnect the DEF lines between the DEF pump and the metering unit. Discard the lines. Ensure the new DEF lines are undamaged and free of dirt, debris, or DEF crystals. Remove any white DEF crystals from the DEF ports on the tank, pump, and metering unit. Latest Posts Read … floating lawn mower hover