On-guard system disable question.

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by OTR48+C, May 18, 2018.

  1. Ridingshotgun

    Ridingshotgun Bobtail Member

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    Jul 28, 2018
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    Ok your two button process turned off the on collision avoidance. Wish we would have seen this before taking it to the shop ! Any help with resetting the fault codes after we tried to get the freight liner service department to disable it ,which they couldn’t , and after they put it back together it initiated the abs light and some fault codes ?
     
  2. InTooDeep

    InTooDeep Donner party survivor

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    Jan 17, 2016
    Carmichael CA
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    Sorry no I never had mine messed with after I figured out how to defeat it with the buttons. If they took it apart they should have to make it right. Good luck man. Let me know how it goes. What are the codes you are getting?
     
  3. BoostedTeg

    BoostedTeg Road Train Member

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    I would of asked the dealership that you bought it from to disable it or remove it completely off the truck before taking possession of it.
     
  4. Ridingshotgun

    Ridingshotgun Bobtail Member

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    Jul 28, 2018
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    SPN 520199
    FMI 2
    &
    SPN 1070
    FMI 10
     
  5. Ridingshotgun

    Ridingshotgun Bobtail Member

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    Jul 28, 2018
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    And they will have the technician in who “should” know how to fix it Monday morning , but after the 5 hours of waiting and making it a situation instead of a quick job like they said it would be .... on top of sitting under a load that is due for delivery Monday , well , ya know .
     
  6. skinny

    skinny Bobtail Member

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    Apr 2, 2007
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    We have few of these 2016 T680s and having some issues. Can you tell me which 2 buttons need to be pushed before turning key on?

    Thanks
     
  7. InTooDeep

    InTooDeep Donner party survivor

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    Jan 17, 2016
    Carmichael CA
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    Its been awhile if you have the small square box on the dash there should be 2 1/2 in buttons just hold both in and then turn key on and start while still holding buttons in.
     
  8. bssgmt

    bssgmt Bobtail Member

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    Dec 13, 2019
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    hi
    I drive two 2020 frieghtliner M2 flatbeds that also have this piece of junk in it.
    it likes to lock up the brakes when no one or thing is around so far only bruised ribs and dirty draws.
    I have taken to frieghtliner and now wabco is also involved. My company wants them removed before someone gets hurt. is anyone else having this same issue I cant believe mine are the only ones doing it
    Thank you for any help
     
    AlexD13 Thanks this.
  9. GypsyWanderlust

    GypsyWanderlust Medium Load Member

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    Jan 1, 2018
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    I’ve driven a truck that auto brakes for unicorns. Not fun.
     
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