1. 2011GeorgePrius

    2011GeorgePrius Junior Member

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    So My Prius Five 2011 Got The Warning Lights On. The Dealer Says Bad HV Battery. The Prius Only Has 145,310 Miles On It. Any Ideas On The Next Steps I Should Be Taking?

    P0AA6 612 HYBRID BATTERY FAULT SYSTEM ISOLATION FAULT

    C1259 58 150 HV SYSTEM REGENERATIVE MALFUNCTION

    C1310 51 156 MALFUNCTION IN HV SYSTEM

    C2123 NO SINGAL IN TRANSMITTER ID3 IN MAIN MODE

    12V At 12.55 OFF 14.05 ON

    BB1 17.50

    BB2 17.49

    BB3 17.60

    BB4 17.58

    BB5 17.55

    BB6 17.55

    BB7 17.45

    BB8 17.59

    BB9 17.48

    BB10 17.61

    BB11 17.40

    BB12 17.43

    BB14 17.39

    BB14 17.44

    R1 0.29

    R2 0.29

    R3 0.29

    R4 0.29

    R5 0.29

    R6 0.29

    R7 0.29

    R8 0.29

    R9 0.29

    R10 0.29

    R11 0.29

    R12 0.29

    R13 0.29

    R14 0.29
     

    Attached Files:

  2. bisco

    bisco cookie crumbler

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    welcome!
    maybe just some corrosion inside the battery case or connectors. have you owned it since new?
     
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  3. cnc97

    cnc97 Senior Member

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    There is a thread on the Gen 2 forum that says the INF 612 points to voltage leakage in the HV battery. Loose connection, previously swapped battery module, corrosion.

    The thread actually showed there was a ruptured battery cell. This is the other thread for you to review.

    P0AA6, detail 526, and 612 | PriusChat
     
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  4. mikey_t

    mikey_t Active Member

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    I believe that Maryland is a CARB state so your battery may have a ten year / 150K mile warranty on it (whichever comes first). Check with your dealership, but it may be serviced and replaced completely under warranty.
     
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  5. 2011GeorgePrius

    2011GeorgePrius Junior Member

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    I had since new Toyota did say it had 120 month warranty 150k but the problem it expired since the car was bought in December 2010.
     
  6. cnc97

    cnc97 Senior Member

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    It might be worth trying to contact Toyota Customer Service. Being less then 30 days out of that expiration date. Maybe they say no, maybe they pay 50%. You won’t know unless you try.
     
  7. 2011GeorgePrius

    2011GeorgePrius Junior Member

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    I’ll try
     
  8. 2011GeorgePrius

    2011GeorgePrius Junior Member

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    They said the warranty wouldn’t be good if it was Expired! So what do I do at this point I still have P0AA6 C1310 C1259 C2123 Code
     
  9. 2011GeorgePrius

    2011GeorgePrius Junior Member

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    What does C2123 Mean For My Tire And Which Tire Is It BTW?
     
  10. ChapmanF

    ChapmanF Senior Member

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    C2123 means the TPMS receiver is not receiving the signal from the transmitter registered as #3. Probably the battery in that transmitter is used up. That doesn't directly tell you which tire though, unless you kept a record of the four transmitter ID numbers and which corners of the car they were originally installed on, and you've kept track of tire rotations since.

    If you pull up the data list in Techstream, you can see the registered transmitter IDs. You can also see what pressures they are reporting, so if the other 3 are still working, you can find out which are which by letting some air out of each tire, seeing which reported pressure changes, then pumping them back up. At the end you'll know the locations of all four and which one is the dead one.

    If you still have the P0AA6 612, you still have a leakage path inside your traction battery. If you ignore it long enough, you can be rewarded by having a second leakage path eventually form the same way, creating a short circuit inside the battery. I don't recommend ignoring it that long.

    The other codes you have are because the brake ECU knows about your P0AA6 612 in the battery.
     
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  11. 2011GeorgePrius

    2011GeorgePrius Junior Member

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    So where do I get my battery leak fixed at? What are my options?
     
  12. cnc97

    cnc97 Senior Member

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    If there is a high school/tech school near you, you can see if they want to open up the case and see what’s happening. Call some of your local repair shops, see if they want to pull the cover off and check it out. Call a salvage yard that repairs vehicles, see if they have a battery/are willing to swap it.
     
  13. rjparker

    rjparker Senior Member

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    I would find an independent hybrid mechanic that does battery module work. They need to inspect the modules and buss bars and repair as necessary. Probably some corrosion.

    A couple of options possibly worth calling... realize most will want to swap instead of repair...

    Prius Hybrid Repair

    Hybrid Battery Replacement | Honda & Toyota Hybrid High Voltage Batteries

    Doctor prius is hybrid battery repair services and traction battery sales

    baltimore for sale "prius battery -parting -inspected -title -charger" - craigslist
     
    #13 rjparker, Jan 6, 2021
    Last edited: Jan 6, 2021
  14. 2011GeorgePrius

    2011GeorgePrius Junior Member

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    $4,080 For A New A HV Battery AT Toyota Dealership. I’m going to go with $995.00 at Prius hybrid repair I’ll call them tomorrow. I’ll keep you updated.
     
    #14 2011GeorgePrius, Jan 6, 2021
    Last edited: Jan 6, 2021
  15. Grit

    Grit Senior Member

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    Saving gas at the pumps comes at a high price.
     
  16. Grit

    Grit Senior Member

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    o_O
     
  17. mr_guy_mann

    mr_guy_mann Member

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    Make very sure that you understand whatever terms there are for the warranty (as you will very likely be using it). Anything that isn't Toyota (or NewPriusBatteries.com) is some form of USED battery- whether some modules are replaced (and possibly your remaining modules are "reconditioned") or the entire pack is swapped (with a group of 28 other used and possibly reconditioned modules) Some here on the forums have gotten a year or three this way before another failure, others maybe a month or two.
    Good luck.

    Posted via the PriusChat mobile app.
     
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  18. 2011GeorgePrius

    2011GeorgePrius Junior Member

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    I called Prius hybrid repair today and they drop off the car for a day or two and pick up for 995.00. I may drop off today since my mother who lives in Westminer MD Has A 4 o clock appointment with curbside pickup with dicks sporting goods to get an item She can’t find in any other dicks sporting good store in Baltimore.
     
    #18 2011GeorgePrius, Jan 7, 2021
    Last edited: Jan 7, 2021
  19. 2011GeorgePrius

    2011GeorgePrius Junior Member

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    They send me this plan for my Prius 2011 five by my email address. His Name Is Jack With PriusnHybridRepair
     

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    #19 2011GeorgePrius, Jan 7, 2021
    Last edited: Jan 7, 2021
  20. Mendel Leisk

    Mendel Leisk Sunday driver DIY’r

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    That dealership price is installed, with three year warranty, new battery. And it seems high, shop other dealerships. Your $995 deal will be a mishmash of used and reconditioned cells. Just look at the price and think about it.

    Also consider this:

    Prius Battery Replacement (GenII) Like you've never seen - NEW Cylindrical Cells | PriusChat
     
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