2015 Prius V - Weird noises, won’t start, flashing lights

Discussion in 'Prius v Care, Maintenance and Troubleshooting' started by Andrea Pope, May 14, 2021.

  1. Andrea Pope

    Andrea Pope New Member

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    2015 Prius v wagon
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    Two
    Hi everyone! Just purchased a 2015 Prius V last week with 57,000 miles. I was able to drive it home fine, but after sitting in the car for about an hour in ready mode with my phone charging, the car cut off and won’t cut back on. I thought it might be the 12v battery, but all of the interior lights turn on. Additionally, the care made some really weird noises while off and the check engine light came on a couple of times (as well as all the indicators on the dash flashing). Any idea what the issue is? See linked video for all of the weirdness the car exhibits when attempting to start it:

     
  2. Air_Boss

    Air_Boss Senior Member

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    Video doesn’t play…
     
  3. bisco

    bisco cookie crumbler

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    test the 12volt battery anyway, lites don't take much power, closing relays does
     
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  4. Matthew Weatherford

    Matthew Weatherford New Member

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    Three
    I had a lot of weird dash indicator lights and odd behavior when my 2012 Prius V 12v battery (in rear right, access thru hatchback, under the cover) was about 6 years old and didn't have sufficient voltage. Replaced it and it everything worked perfectly again.
     
  5. Air_Boss

    Air_Boss Senior Member

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    Now on a PC, I see the video and it's definitely symptomatic of a flat 12V auxiliary battery.
     
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