2017...Western star .truck ascending hill warning light is on...truck won’t start....what’s wrong?

Discussion in 'Western Star Forum' started by Lula, Jun 23, 2020.

  1. Lula

    Lula Bobtail Member

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    ForumsWestern Star Forum
    Create Thread: 2017...Western star .truck ascending hill warning light is on...truck won’t start....what’s wrong?
     
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  3. uncleal13

    uncleal13 Road Train Member

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    No idea without more info.
    Does your truck have diagnostic codes you can read on the dash display 5700 XE? or just the lights like my 4900SF did?
    Check coolant levels to begin with.
     
  4. Lula

    Lula Bobtail Member

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  5. Lula

    Lula Bobtail Member

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    Jun 23, 2020
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    I’ll start there ...thanks!
    Warning light is a display of a truck ascending a hill
     
  6. uncleal13

    uncleal13 Road Train Member

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    That’s the hill start assist.
    Must be an autoshift transmission. It holds the brakes on for a few seconds while you are on a hill to give you a chance to get your foot off the brake and onto the gas without rolling backwards.
    If the light is on. Either you hit the hill start assist disable switch on the dash, or the system for it is not working.
    Shouldn’t effect if the engine starts.
     
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