12 volt battery drain

Discussion in 'Gen 4 Prius Care, Maintenance and Troubleshooting' started by Tom Obenschain, Oct 16, 2021.

  1. Tom Obenschain

    Tom Obenschain Junior Member

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    i am thinking of replacing my 2020 L Eco with a 2022 Limited. I wonder if this will result in more battery drain due to more sensors. Smart key sensor is only on the driver's door for L Eco. Limited has three times the sensors. i do not drive often. Thus there is more battery drain. This was a problem on my C which also had three sensors.
     
  2. BellevilleMXZ

    BellevilleMXZ Junior Member

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    I would think it would be a very very slight difference
     
  3. CooCooCaChoo

    CooCooCaChoo Active Member

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    May not be a BHG. The cooling also runs to the exhaust pipes. That part of the system has been known to leak and become defective.
     
  4. sam spade 2

    sam spade 2 Senior Member

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    You are taking the wrong approach here.
    THIS is what you need to address, no matter what make or model car you have.
    The common solution is a battery tender.

    Note: If you don't have the C anymore you might want to change that in your profile.
     
  5. bisco

    bisco cookie crumbler

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    can you turn off sks? it might even turn itself off after a time
     
  6. vvillovv

    vvillovv Senior Member

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    If I understand your concerns correctly from how I read your post, I wouldn't worry about it, to much anyways.
    I haven't seen any reports here at PC about gen 4 (any trim / model) having 12 volt issues, yet.
    like they say YMMV ;)
     
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