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Brake codes help

Discussion in 'Gen 3 Prius Technical Discussion' started by FFgeek, Dec 3, 2018.

  1. FFgeek

    FFgeek Junior Member

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    Hey guys,

    Can I get some help matching up these blink codes to the proper DTC codes? I can't figure out which lights match up to which DTC section in the PDFs I can find. I was on the highway last night in the rain, so I think it's just a minor error I can reset. Brakes feel fine, just all mechanical without the regenerative braking assist.

    Wheel slip/traction = 45
    ABS = 42
    (!) = 69

    Thank you!
     
    #1 FFgeek, Dec 3, 2018
    Matéo Kresha likes this.
  2. Matéo Kresha

    Matéo Kresha New Member

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    Did you ever figure out what it was? Havening these same codes after being in the rain in stop and go traffic for over an hour.
     
    #2 Matéo Kresha, Nov 21, 2022
  3. Mendel Leisk

    Mendel Leisk Senior Member

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    #3 Mendel Leisk, Nov 21, 2022
  4. ChapmanF

    ChapmanF Senior Member

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    69 on the ECB light corresponds to trouble code C1391: the accumulator is failing to hold pressure as long as it ought to.

    42 on the ABS light means "hey, go look at your ECB code." That's also what 45 on the VSC light means.
     
    #4 ChapmanF, Nov 21, 2022
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