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12 volt battery

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  1. Graystar1955
    Thread

    2023 Hybrid 12 volt ROB says it is being driven in B , it is not.

    I have already had to have the 12 volt replaced, under warranty once (bought in sept of 2023, 1139 miles on car) got the car back about a week...
    Thread by: Graystar1955, Jan 12, 2024, 25 replies, in forum: Gen 5 Prius Technical Discussion
  2. parked
    Thread

    2017 12 volt battery replacement

    My 2017 12 V battery just died on the side of the road after listening to music for like 15-20 minutes, so I guess it’s time to replace it. When...
    Thread by: parked, Dec 1, 2023, 16 replies, in forum: Gen 4 Prius Main Forum
  3. grlcardiyr
    Thread

    FYI-2007 Prius Warning Lights On But Hybrid and 12V Good

    Just wanted to share in case someone else comes across same problem. I drove my 2007 Prius to store and when I came out the car powered on but it...
    Thread by: grlcardiyr, Oct 1, 2023, 3 replies, in forum: Gen 2 Prius Main Forum
  4. Gracie of the Blue Ridge
    Thread

    12v battery, mpg tracker--normal or Mouse?

    Betty* is a 2016 Prius V, bought used 3 yrs ago, with 117,000 mi; I need to to last twice that, like her mama, Stella, my Corolla wagon. No...
    Thread by: Gracie of the Blue Ridge, Jul 26, 2023, 8 replies, in forum: Prius v Care, Maintenance and Troubleshooting
  5. SpartanWoman
    Thread

    New auxiliary battery: how long do I need to drive it? (2005)

    My 2005 was having all the symptoms listed in this post: "2005 Prius beeps when door is open, then won't start", so we pulled the 12 volt battery...
    Thread by: SpartanWoman, Jul 14, 2023, 20 replies, in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
  6. Hoan
    Thread

    12 volt battery low same with traction battery

    So I know my 12 volt is fully charged. I put it on a 12 volt battery charger. It was at 100%, I let it sit for a day. I tired to start it, the...
    Thread by: Hoan, May 7, 2023, 1 replies, in forum: Prime Plug-in Charging
  7. RinClara
    Thread

    New Engine, Transmission P Error

    Let me preface this post with a little back story. My husband and I bought our 07' Prius back in March, car already had 345k miles and the...
    Thread by: RinClara, May 30, 2022, 5 replies, in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
  8. Road Trip Queen
    Thread

    12V Battery Not Charging

    Hello all, My 12V battery is not holding a charge. I just brought it to an auto shop and they are stumped. When I had battery issues previously,...
    Thread by: Road Trip Queen, Jul 15, 2021, 8 replies, in forum: Gen 3 Prius Care, Maintenance & Troubleshooting
  9. LEARNER
    Thread

    Loose 12 volt Battery Conections causing codes?

    Past 6 months I've got Check Engine Lights and went to Advance Auto to use their scan guage that works with the Prius 2004. The first codes were...
    Thread by: LEARNER, Dec 14, 2020, 9 replies, in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
  10. JImmyPriNew
    Thread

    Will a failing 12Volt Auxillary Battery adversely affect the hybrid EV battery?

    A few months ago during a scheduled maintenance at Toyota they said my 12volt auxiliary battery failed the CCA Test. They said if I didn't replace...
    Thread by: JImmyPriNew, Aug 25, 2020, 21 replies, in forum: Gen 4 Prius Care, Maintenance and Troubleshooting
  11. chaelra_prius
    Thread

    Brake light switch or 12-volt replacement?

    Hello all, I'm suspecting my 2008 Prius has one of two problems: either the 12-volt battery or the brake light switch needs to be replaced....
    Thread by: chaelra_prius, Feb 5, 2020, 6 replies, in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
  12. TJsPRIUS
    Thread

    2008 PRIUS NO READY MODE WONT GO INTO DRIVE OR REVERSE

    I own a 2008 Prius. The vehicle stalled out on me on the highway but I was able to get it going again on my lunch break. On my way home, it...
    Thread by: TJsPRIUS, Aug 18, 2019, 6 replies, in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
  13. EvenVeganSteven
    Thread

    3rd Gen Prius with water under 12v battery

    Hey all, I am a new member but I have read through many threads to figure out some things about my 3rd gen. Recently my 12v battery died at an...
    Thread by: EvenVeganSteven, Jul 20, 2019, 8 replies, in forum: Gen 3 Prius Care, Maintenance & Troubleshooting
  14. write2toonces
    Thread

    Signs of a dying 12 volt battery

    One month before the 12V battery died, I noticed the "Ready" light came on slower than usual after pressing the Start button. A week before the...
    Thread by: write2toonces, Apr 4, 2019, 3 replies, in forum: Gen 3 Prius Main Forum
  15. DreadPiratePatty
    Thread

    MFD and Combo Meter problems Gen 2

    I have a 2004 Prius. Just replaced the 12V aux battery and now MFD does not display the “Display” screen. Other screens display fine. I’ve also...
    Thread by: DreadPiratePatty, Feb 5, 2019, 5 replies, in forum: Gen 2 Prius Main Forum
  16. Richard Bjerke
    Thread

    Battery without vent tube hole

    When I started having 12 volt battery problems with my 2009 Prius, I came here looking for help. As a result I decided to replace the Toyota...
    Thread by: Richard Bjerke, Jan 30, 2019, 11 replies, in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
  17. Shmeckledorf
    Thread

    2004 Prius 12 Volt Battery Questions/Troubleshooting

    I have a few questions about my 2004 Prius and its 12 Volt Battery, but first here is some context to help everyone understand the situation....
    Thread by: Shmeckledorf, Jan 5, 2019, 10 replies, in forum: Gen 2 Prius Main Forum
  18. 08PriusTouring
    Thread

    Frustrated New Prius Owner

    Hello Prius Community. I just purchased a 2008 Toyota Prius Touring with just shy of 200k miles. It is grey in color and has a nice beige leather...
    Thread by: 08PriusTouring, Dec 3, 2018, 28 replies, in forum: Gen 2 Prius Main Forum
  19. lbarrack
    Thread

    New Visitor Need technical help and advice on 12v battery

    First, I want to thank the contributors here. I have read through the different threads and have tried using the knowledge gained to solve my...
    Thread by: lbarrack, Nov 13, 2018, 11 replies, in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
  20. Andrew Colvin
    Thread

    Horn honking and won’t go into drive

    I recently purchased a used 2010 Prius. The dealer put in a new hybrid battery and all seemed well. I have had it for about a month and just...
    Thread by: Andrew Colvin, Oct 2, 2018, 10 replies, in forum: Gen 3 Prius Care, Maintenance & Troubleshooting
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