2012 PriusC check light notification

Discussion in 'Prius c Care, Maintenance and Troubleshooting' started by Maukawahine, Dec 6, 2021.

  1. Maukawahine

    Maukawahine New Member

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    2012 Prius c
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    2012 PriusC “Check Hybrid System stop vehicle in safe place immediately”.

    Is this a battery replacement issue, or am I overthinking this! Scared me, but I drove home anyway! D6F43FE8-E3FE-42F4-A3AF-1C8D8D8ED9C6.jpeg
     
  2. Leadfoot J. McCoalroller

    Leadfoot J. McCoalroller Senior Member

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    May 12, 2018
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    Vehicle:
    2018 Prius c
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    Two
    It is possibly a battery failure, but too early to tell.

    Somebody needs to hitch up a diagnostic computer (or smartphone app) and interrogate the onboard system.

    For a Prius c, 8-9 years old + warm climate + yellow triangle/check hybrid system warning is usually bad news about the battery, but not always. If you aren't confident in working on it yourself, take it to a garage that knows hybrids or to a Toyota dealer.

    Here's one easy out, maybe: check the battery cooling fan under the rear left seat. Make sure the intake is not obstructed and there isn't any dust or hair clogging the fan or the tube attached. There are YouTube videos that show how to do the whole thing with a vacuum cleaner and a screwdriver.

    Good luck!
     
    michael.sfo likes this.
  3. vvillovv

    vvillovv Senior Member

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    2017 Prius Prime
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    Prime Plus
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