SPN-597 14 Brake Switch Transmission 1

Discussion in 'Volvo Forum' started by HopperHauler92, Nov 3, 2022.

  1. HopperHauler92

    HopperHauler92 Bobtail Member

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    Jun 21, 2022
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    I been getting this code on my 2014 Volvo VNL 670 for quite a while and could never figure out what it is. Does the transmission have a brake switch somewhere? I been doing research but have not found anything good. I already changed out the brake switch that's underneath the panel below the steering wheel so I'm kind of lost at this point.
     

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  3. nasriza

    nasriza Road Train Member

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    there is a brake switch on your brake pedal also there is one air switch in the manifold, the trans uses the brake switch on your brake pedal for operational purposes i dont know if this is the one you changed.
     
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  4. HopperHauler92

    HopperHauler92 Bobtail Member

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    Jun 21, 2022
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    No I had changed the other brake switch. Is it possible this switch needs to be changed out or the truck brake pedal needs adjustment?
     
  5. nasriza

    nasriza Road Train Member

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    possible both you should hear a slight click when you r just pressing the brake pedal, its also a very cheap switch to replace i think they are like 50 or maybe less remove right side plastic on top of gas pedal and you will see micro switch on brackett with spring on top of brake pedal.
     
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  6. SeekingVOLVOVNLSpecialist

    SeekingVOLVOVNLSpecialist Bobtail Member

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    Jan 12, 2023
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    Just checking to ask about your knowledge of the Volvo VNL trucks? I am just looking for someone that could be considered a specialist on the VNL to ask some questions to. Let me know. thanks.
     
  7. loudtom

    loudtom Road Train Member

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    He's usually pretty busy, so I would ask the question now so you can get an answer quicker. Of all of the mechanics I have been to for Volvo trucks across the country, he has been the most knowledgeable. With a 4.9 review rating on Google, it seems that there are a lot of people that would agree with me.
     
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  8. nasriza

    nasriza Road Train Member

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    What is the question, this should be a very intersting and you have peaked my curiosity.
    Chances are I would have an answer for you even if I do not I should be able to point you in the right direction.
    You can e mail me at truck.bros.nas@gmail.com if this is easier or post it up here.
     
  9. Siinman

    Siinman Road Train Member

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    Update this post if you dont mind if he emails you. Would love to hear what he is needing.
     
  10. nasriza

    nasriza Road Train Member

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    I will. He/she to be correct, has really truly peaked my interest, with the different profile name and all this has to be something really challenging at least I am keeping my fingers crossed it is.( Need one of those problems every once in a while, keeps me sharp)
     
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