Cascadia Brake lights on when pedal released

Discussion in 'Freightliner Forum' started by simon999, Dec 11, 2018.

  1. simon999

    simon999 Light Load Member

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    I have 2017 cascadia model and tractor brake lights acting.
    When I release brake pedal stop lights stay on. If the truck is not running and trailer not connected -same thing lights are acting. I checked fuses , all good. I went to dealership they could not find problem...I read online that this might be upcoming recall. Perhaps ahybody had this problem and knows what was replaced to fix it?
     
  2. Grumppy

    Grumppy Trucker Forum STAFF Staff Member

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    Brake light switch sticking or brake pedal isn't coming all the way back up. :dontknow:
     
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  3. baha

    baha Road Train Member

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    A Bad foot valve can make brake light stay on, you need a crack a brake line to make sure air is not still in system when brake lights stay on?
     
  4. simon999

    simon999 Light Load Member

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    I drained all air out and took all relays out , but lights still on.
     
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  5. simon999

    simon999 Light Load Member

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  6. mhyn

    mhyn Road Train Member

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    my truck was under recall. they changed that switch
     
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  7. simon999

    simon999 Light Load Member

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    Its little pressure switch with 3 wires plug located on the right side by brake pedal on the manifold. $25 part.
     
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  8. simon999

    simon999 Light Load Member

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  9. Diggler

    Diggler Light Load Member

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    I am running a 2019, my brake lights would be stuck on sometimes for a few seconds too long sometimes 10 minutes, seemed random. Took that switch out and here's what it looked like vs a new one. What a crap design to have to replace this on a year old truck
     

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