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Upgraded stock radio/display – now I'm getting the "check hybrid system" message among other issues.

Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by averagejosh, Feb 5, 2022.

  1. averagejosh

    averagejosh Junior Member

    Joined:
    Dec 25, 2021
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    Location:
    Asheville, NC
    Vehicle:
    2012 Prius
    Model:
    Three
    I apologize if this isn't the right place for this.

    I went to pick up my 2012 Gen 3 Prius yesterday after having a new Sony XAV-AX8100 installed. I got to the car and experienced these things:


    • ‘check hybrid system’ message

    • headlights (high and low) don’t turn on, nor does indicator in dash

    • license plate light doesn’t turn on

    • doors won’t lock/unlock with remote

    • doors won’t lock/unlock by touching “button” on outside of driver door

    • lock/unlock button inside car will only lock, but not unlock


    They’re trying hard to figure out what’s happened and have kept my car overnight, but thought I’d see if anyone here had a guess.

    Any ideas??
     
    #1 averagejosh, Feb 5, 2022
  2. tankyuong

    tankyuong Senior Member

    Joined:
    Nov 9, 2012
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    Location:
    Central MO
    Vehicle:
    2012 Prius c
    Model:
    II
    Dead 12v battery
     
    #2 tankyuong, Feb 5, 2022
    V-strom Garage likes this.
  3. 2010moneypit?

    2010moneypit? Active Member

    Joined:
    Oct 26, 2021
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    Location:
    Beaumont ca
    Vehicle:
    2010 Prius
    Model:
    V
    Try unplugging the radio Clear all codes see if systems return to normal. Do this check the whole time with the radio unplugged. They may have wired the radio wrong and it’s backfeeding Electrical systems.
     
    #3 2010moneypit?, Feb 5, 2022
  4. PriusCamper

    PriusCamper Senior Member

    Joined:
    Mar 3, 2012
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    Location:
    Pacific Northwest, USA
    Vehicle:
    2007 Prius
    Model:
    Two
    I remember these kinds of problems back in my younger days when I installed car stereos... The more we screwed up someone's car the more upgrades we gave them to make up for it. Go have a walk around the store and start picking out free stuff they're going to give you because they know you're the kind of person that will create huge problems if they don't keep you happy! Squeaky wheel gets the grease!
     
    #4 PriusCamper, Feb 5, 2022
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