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What Do These Warning Lights Mean?

Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by Pandas Andpresents, Aug 9, 2024.

  1. Pandas Andpresents

    Pandas Andpresents Junior Member

    Joined:
    Jun 15, 2014
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    Location:
    Danbury, CT
    Vehicle:
    2011 Prius
    Model:
    Three
    I have a 2011 Prius III with mileage of 170K.

    Today, when driving on a highway, I had the ABS, brake, and the "slip warning" lights all come on at the same time. Where this occurred, the highway was under maintenance and was rough. The ABS light eventually went out but the break pedal felt heavier until I came to a full stop pushing the break pedal all the way down. Thereafter, the lights went out.

    What is this combination of lights telling me and should I be worried that my brakes or other critical systems of the car are failing? Front breaks and rotors were changed in 12/2023 and back breaks were done about a year ago although they seem to wear fast on my car.
     
    #1 Pandas Andpresents, Aug 9, 2024
  2. ChapmanF

    ChapmanF Senior Member

    Joined:
    Mar 30, 2008
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    Location:
    Indiana, USA
    Vehicle:
    2010 Prius
    Model:
    IV
    If they don't come back on, I wouldn't worry much.

    If they do come back on, read the trouble codes, and that's how to find out what they mean.

    If you don't have a scan tool that can read those codes, this way works:

    Blink (a/k/a Flash) Codes – How to. | PriusChat
     
    #2 ChapmanF, Aug 9, 2024
  3. bisco

    bisco cookie crumbler

    Joined:
    May 11, 2005
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    Location:
    boston
    Vehicle:
    2012 Prius Plug-in
    Model:
    Plug-in Base
    Is the brake actuator buzzing more than normal?
     
    #3 bisco, Aug 9, 2024
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