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Read abs codes

Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by chico, Dec 13, 2019.

  1. chico

    chico Junior Member

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    I have abs lights on my dash.
    I'll try the paperclip trick that I found a YouTube video of but I have an ODB reader and I can't get anything from it. am I supposed to be able to read these codes from an ODB reader or do I need something special?
     
    #1 chico, Dec 13, 2019
  2. tankyuong

    tankyuong Senior Member

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    You need an abs scanner to see which wheel bearing is bad
     
    #2 tankyuong, Dec 13, 2019
  3. ChapmanF

    ChapmanF Senior Member

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    Most OBD-II scanners should be able to show you most of the brake system codes (though not necessarily tell you what they mean). The jumper-wire (or paper clip) approach where you count the light blinks has also been described in a lot of threads here on PriusChat. Wheel bearings are far from the only possible root causes ... the codes will indicate what problems to look for.
     
    #3 ChapmanF, Dec 14, 2019
  4. chico

    chico Junior Member

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    Hmmm when the warning lights are up in the dash and I run diagnostics withwmy odbll it says 'no errors'

    I have an ELM327 and the app 'car scanner' which asked for the model of car... So I assume it had specific prius gen 3 codes

    Do different apps have different readouts? I know people like torque pro, but I don't know why :/
     
    #4 chico, Dec 14, 2019
  5. ChapmanF

    ChapmanF Senior Member

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    I'm not sure which ones are better than others ... I would expect more of them to have less trouble reading more of the codes, but a lot of them seem to have problems. Techstream eliminates the guesswork.

    You always have the option of getting your (abridged) codes by the count-blinking-lights method, which can at least get you started understanding what's wrong with your car, while you're still solving the better-scanner problem.
     
    #5 ChapmanF, Dec 14, 2019
  6. chico

    chico Junior Member

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    So years ago this problem disappeared when I removed my ODBII scanner. Apparently some of the scanners cause issues. I was hoping that was the end of it but now it's back again.

    The car seems fine, but I have brake warning lights, red warning lights, ABS Lights, slip indicator and tire pressure lights all on at once :(
    T_T
     
    #6 chico, Jan 3, 2021
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