Freightliner Cascadia Ats Electrical System Problem Detected - When i checked the diagnosis it’s giving me a acm code 3223 and 520363 ats electrical system problem detected. What could be causing it and is it safe to drive to my next. We were told that it is an electrical issue with the sensor but apparently they are too incompetent to fix it. Any help or advice would be most appreciated. Tgam , apr 13, 2025 The faults are pointing out that you are having issues with your scr system. The 3223 fault means nox raw sensor not ready after dewpoint enable check. the nox sensor is. Check/stop engine lights came on and truck wont run for more than 30seconds. I had the wiring harness replaced a few months back at the dealership so im thinking that isnt. Are there any selective catalyst reduction (scr) or diesel particulate filter (dpf) related fault codes present? Ats elect system problem detected. Freightliner cascadia 2025 detroit dd 15. I call to road service but. What's the make/model/year of your truck? Check the fuse box under the hood on the firewall. I believe that's the one that run all the lights and stuff. You try turning the power cut off switch on the floor by drivers seat. 2025 frieghtliner cascadia, acm not reading. Code 520363 defines as selective catalyst reduction inlet nox sensor circuit failed open. This is normally a faulty. Thoroughly inspect the wiring harness and connector pins going to your inlet nox sensor for any damaged or corroded wiring and connector pins that would cause an open circuit.
When i checked the diagnosis it’s giving me a acm code 3223 and 520363 ats electrical system problem detected. What could be causing it and is it safe to drive to my next. We were told that it is an electrical issue with the sensor but apparently they are too incompetent to fix it. Any help or advice would be most appreciated. Tgam , apr 13, 2025