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Volvo Vnl 860 abs,tcs light on when ac running

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Redbow, Jun 28, 2018.

  1. Jun 28, 2018 #1
    Redbow

    Redbow Bobtail Member

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    Jun 28, 2018
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    Hi, i recently become o\o. I bought used 2013 Volvo truck. And now abs/tcs light came on. . I notice whenever i turn ac on, the abs/tcs light came on. Once even a parking brake light came on. When ac is off everything runs good, no abs/tcs lights on. What could be the problem?
     
    Last edited: Jun 29, 2018
    Redbow, Jun 28, 2018
    Redbow, Jun 28, 2018
    #1
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  3. Jun 29, 2018 #2
    Socal Xpress

    Socal Xpress Road Train Member

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    Have checked to see if it has any stores faults in the abs?
     
    Socal Xpress, Jun 29, 2018
    Socal Xpress, Jun 29, 2018
    #2
  4. Jun 30, 2018 #3
    Redbow

    Redbow Bobtail Member

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    Jun 28, 2018
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    It's always front right sensor. And they replace it, but when i turned air condition on the abs tcs lights came on again
     
    Redbow, Jun 30, 2018
    Redbow, Jun 30, 2018
    #3
  5. Jun 30, 2018 #4
    Justrucking2

    Justrucking2 Road Train Member

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    You may have to take it to the dealer, more than likely a bad can bus in the system. They should be able to bring up the code in seconds.

    Or, if you can find a schematic to your trucks electrical system, you may be able to trouble shoot it yourself. I did that with my AC that never worked in my truck, International has their schematics free on the internet. I do not know about Volvo.

    But, before you take it to the dealer, call them and see if there is a way to bring up the codes on the truck. Get that code and ask them what it is.
     
    Justrucking2, Jun 30, 2018
    Justrucking2, Jun 30, 2018
    #4
  7. Jun 30, 2018 #5
    Redbow

    Redbow Bobtail Member

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    Jun 28, 2018
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    Could it be that air condition is plugged somehow wrong and it couse abs/tcs lights turn on? When i am driving without air condition everything is ok but when i turn on AC, abs tcs loghts pop up
     
    Redbow, Jun 30, 2018
    Redbow, Jun 30, 2018
    #5
  8. Jan 22, 2019 #7
    Newman25

    Newman25 Bobtail Member

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    Jan 22, 2019
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    2009 volvo day cab ishift automatic:
    Abs and tcs lights lit..brake valve released..wont let me drive..almost like brakes are on..it's worse on incline...code on dash says heavy clutch load.any suggestions on what might be happening?
     
    Newman25, Jan 22, 2019
    Newman25, Jan 22, 2019
    #7
  9. Feb 19, 2022 #7
    Mookie123

    Mookie123 Bobtail Member

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    Feb 19, 2022
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    Mookie123, Feb 19, 2022
    Mookie123, Feb 19, 2022
    #7
  10. Feb 19, 2022 #8
    Mookie123

    Mookie123 Bobtail Member

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    Feb 19, 2022
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    Did you ever figure out the issue.. I'm having same issue on my 2016
     
    Mookie123, Feb 19, 2022
    Mookie123, Feb 19, 2022
    #8
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