hey guys i have a 2015 freightshaker cascadia sd 122 that we haul crude with it has an isx 15 in it. well the other day i had a driver complain that it was just randomly shutting off and has no codes it has a built in killswitch that im fixing to switch out but if that doesnt fix it any one have any input . please and thank you.
I had a cat do that. Main power wire to the cab had a bad spot where the steering column rubbed the harness. If it's a power interruption issue it may not throw any codes. I know KW's have some breakers in the battery box, maybe there's a main fuse in there that's corroded. Had a water truck just the other day no start and it was a corroded fuse right on the battery. 75 amp flat looking deal exposed to the elements. Get it running and start pulling on and wiggling wires maybe it'll cut out and you'll find it. Good luck! Junkayrd
Something about two fuses somewhere between the battery box and the ECM, either in the battery box, in the harness along the frame, behind the ECM, brain cells may be misfiring but look for them.
Yep, Freightliner liked to hide them behind the battery box.
On the left side where the clutch linkage is or left rear engine mount is located there will be a bundle of wires and connectors. Look there and cut the zip ties off the bundle. With it idling shake those wires and see if it dies. Freightliner tied the harness up so tight it pulls on the connections and wires. Those wires go to the ECM. Plus check battery ground to frame. Truck Shop