2020 Freightliner Cascadia ATS Electrical system problem detected

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Burlylovehammer, Mar 5, 2021.

  1. Burlylovehammer

    Burlylovehammer Bobtail Member

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    Mar 5, 2021
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    I just got a PM done on my 2020 Cascadia and after driving about 100 miles the check engine light came on. 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 location until I get it fixed?
     
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  3. BoxCarKidd

    BoxCarKidd Road Train Member

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    Aug 26, 2014
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    Google those and use the search block at the top right.
    Then ask again if needed.
     
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  4. Andreybanyuk

    Andreybanyuk Bobtail Member

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    Feb 26, 2017
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    Bad NOX sensor. Had this code, you will get more codes soon.
     
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