Abs light on on trailer only.

Discussion in 'Ask An Owner Operator' started by Joebeaufort, Sep 24, 2021.

  1. Joebeaufort

    Joebeaufort Bobtail Member

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    May 10, 2020
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    My abs light is on on my trailer, but not on dashboard. Shop took off all wheels and cleaned and adjusted the sensors, said it should go off after hitting higher speeds. It hasn't. Any thoughts?
     
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  3. JoeTruck

    JoeTruck Medium Load Member

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  4. Rideandrepair

    Rideandrepair Road Train Member

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    Probably a wire to one of the sensors. I hope it was a Company Shop, and you didn’t have to pay them. They should have diagnosed which wheel it was, and fixed the one wheel, sensor, wire, or whatever. Depending on which way the ecu is mounted. Blink codes will tell which one is the problem. Try turning key on, off, on, off, and on again. Count the blinks. Look underneath above the axles. Find the ecu. Note how many wires are plugged into it. 2 or 4. Also note if wires are plugged in from front side ( towards front on trailer) or plugged in from the back ( rear ) of trailer. Depending which way the ecu’s mounted will determine which side the blink codes referring to.
     
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  5. Rideandrepair

    Rideandrepair Road Train Member

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  6. Rideandrepair

    Rideandrepair Road Train Member

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    1E4746BF-D3C1-4DEC-B883-4C4A3F798EB1.png My mistake. Here’s the procedure for getting blink codes.
     
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  7. Happily Retired

    Happily Retired Road Train Member

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    It's called A-"BS" light, for a reason.
     
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