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C1256

Discussion in 'Gen 2 Prius Technical Discussion' started by jbv7, Jan 21, 2019.

  1. jbv7

    jbv7 New Member

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    My daughter has a 06 Prius. I am not sure of the pkg. She is in college in IL and called me yesterday and said she got a brake light, check engine and the triangle with the exclamation point. I had her take to an o'riley auto parts to get it scanned. Attached are the pics. She said the brakes do not feel any different nor does the car drive any different. Could this be battery related? I sent the scan to a toyota dealer and they said $2700 with out even seeing the car. IMG_9718 2.JPG IMG_7075.JPG IMG_5139.JPG
     
    #1 jbv7, Jan 21, 2019
  2. ChapmanF

    ChapmanF Senior Member

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    Probably not battery related, as the condition is likely detected when the car is in READY and there is plenty of power coming from the converter, not the battery. Your second attachment shows what the detection conditions are.

    If the brakes don't feel any different yet and the car doesn't drive any differently yet, then this trouble code has done what it is there to do: warn you of trouble before it's too late.
     
    #2 ChapmanF, Jan 21, 2019
  3. schja01

    schja01 One of very few in Chicagoland

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    I had identical codes on one of my Venzas. It was an ABS sensor. I don’t remember the cost but it was hundreds not thousands of dollars.
     
    #3 schja01, Jan 22, 2019
  4. edthefox5

    edthefox5 Senior Member

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    ABS actuator failure is becoming quite common. How many miles on the car?

    Check the engine oil too asap.
     
    #4 edthefox5, Jan 22, 2019
    Skibob likes this.
  5. jbv7

    jbv7 New Member

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    165000, moved my post, sorry for the delay
     
    #5 jbv7, Jan 30, 2019
  6. chronon

    chronon Active Member

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    amazing that about 165000 is when this happened on my 05 as well ... is this a coincidence ?
     
    #6 chronon, Feb 3, 2021
  7. ChapmanF

    ChapmanF Senior Member

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    [​IMG]
     
    #7 ChapmanF, Feb 3, 2021
  8. chronon

    chronon Active Member

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    is that some kind of statistical bell curve .. showing the top 68% of failures occurr within 1 sigma of an average useage amount ?
     
    #8 chronon, Feb 3, 2021
  9. ChapmanF

    ChapmanF Senior Member

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    Couldn't have said it better myself.
     
    #9 ChapmanF, Feb 3, 2021
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