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dying battery

Discussion in 'Gen 2 Prius Main Forum' started by golfmk681, Jul 23, 2018.

  1. golfmk681

    golfmk681 Active Member

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    So this is really bizarre (or maybe its not bizarre). I noticed in the last three weeks when I go to a drive-thru, the car goes from almost full hybrid battery gauge, to two pink bars within 3 minutes. I remember thinking "hmmm is this a sign of a bad battery???

    Last Thursday 7/19/18, I got an the red triagle of death code for the first time. I pulled a P0A80 code. Cleared the code, proceeded to drive it. Battery can STILL recharged by the engine to full blue bars. Now I am noticing when I start the car and the AC is on full blast, the Red triangle code pops up. The battery is depleted and there's 1 pink bar.

    Now I drive today, the AC was left on (I was out of town so I didn't drive the car all three days until 7/23/18) and P0A80 code popped up again right away when I started the car this morning. I cleared the code. On my way to work going up hill, the code popped up again, going fast at 75 with the AC on medium. On lunch, I cleared the code.

    So to go back home, I started the car, AC on low, left the car on idle for 1 minute before I headed home. Turned the ac to 1/4 high, and not the usually medium setting. I drove around 65 mpg- 68 mph. No red triagle popped up throughout the drive and made it home. I noticed when I am going downhill for approximately 15 minutes on my way home, my hybrid battery gauge shows only 2 pink bars, and that it. Before I would be all green or all blue battery bars when I am going downhill. So I made it home after driving for 45 minutes, the car is only 2 battery bars. It went to all blue for 1 minute after I turned it off to get gas (this was on a level surface, side streets going 45 mph), then it goes to depleted again w/ 1-2 pink bars. Car is high mileage 266k miles; I was hoping to get 1 year of battery life before I change it but I guess it will be less, but any other thoughts out there.

    Any shop recommendations for this repair in the socal area?
     
  2. SFO

    SFO Senior Member

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    Are you looking for a new or used HV battery replacement?
     
  3. fotomoto

    fotomoto Senior Member

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    Yes, your battery is failing and is no longer safe to drive.

    Sorry, I have no recommendations for your area but will advise to investigate the reputation of the company you choose because at even for lasting 1 year there's a good possibility of using their warranty (if it comes with one). Some warranties are for the battery only and you're responsible for the labor (or paying for the labor).

    GOOD LUCK!
     
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  4. golfmk681

    golfmk681 Active Member

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    I read new is the best way to go............

    But if I can buy a cheap used ones... I’ll risk it :)
     
    #4 golfmk681, Jul 23, 2018
    Last edited: Jul 23, 2018
  5. SFO

    SFO Senior Member

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    If you can DIY install, there are a bunch of dealers down there that offer OTC sales at affordable prices.

    Maybe @JC91006 would be interested in bucking a new battery in for you.

    If not, then you could try @Avi's Advanced Automotive, or someone who is closer to your location in LA (large area down there).
     
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  6. JC91006

    JC91006 Senior Member

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    Dang battery died? He bought that car from me!

    Well that battery with 266k miles will be stressed in this heat.

    I recommend a new battery vs repairing one with 266k miles on it
     
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  7. Raytheeagle

    Raytheeagle Senior Member

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    How long ago did you rebuild it and how many miles since the rebuild?

    Rebalance the pack?
     
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  8. JC91006

    JC91006 Senior Member

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    251k to 266k. Yeah I rebalance that battery

    A top balance may help that battery but it'll be a band aid repair
     
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  9. Raytheeagle

    Raytheeagle Senior Member

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    Age since rebuild?

    You do the rebalancing with a Prolong setup?

    Just trying ascertain the longevity of a rebalance ;).

    Always looking for more data(y).
     
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  10. JC91006

    JC91006 Senior Member

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    Oh less than a year on this balance.

    Prolong type setup but this is what I'm afraid of as these Prolong balanced won't prevent failures. So people that buy a prolong still end up buying new batteries.

    Fotomoto did just that, didn't want to keep repairing with his prolong, went with a new battery
     
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  11. golfmk681

    golfmk681 Active Member

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    Yah no hard feelings man lol I know the deal with high mileage cars. The battery was bound to fail given the miles and age.

    So the P0A80 is the battery for sure, and not the fan battery acting up and messing up the battery?
     
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  12. golfmk681

    golfmk681 Active Member

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    Hmmmm that’s good to know about those prolong balancers....
     
  13. JC91006

    JC91006 Senior Member

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    That's a battery code, not a fan. But in this heat, you'll see batteries die off quickly
     
  14. PriusCamper

    PriusCamper Senior Member

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    I wish people pulled their battery as soon as the P0A080 code hit for the first time. Doing a thorough cleaning of corrosion and load testing on each of the 28 modules and several discharge/recharge cycles (aka:battery reconditioning) manually or via Prolong system is how you get the data to find which module is bad.

    The sooner you do it, the less damage to the good remaining modules. Of course this process is not for folks easily intimidated, as high voltage requires basic shop safety skills and the ability to not forget about a module your discharging, as well as making sure you're using a smart charger so you don't forget you're recharging is essential. Prius Chat google searches has lots of help with this stuff, especially now during the hot weather when battery stress is highest in Northern Hemisphere.

    As for who to do the work if you aren't a DIY extremist, there's tons of mobile services on Craigslist that are of rather questionable skills. Some are probably great, some probably the opposite and just out to harvest your best modules They'll charge $800-$1600, or you can get a new rack of batteries from Toyota for $2K plus 5.5 hours to install for 3 year warranty or 1 year warrant if you DIY.

    I strongly believe that with all the aging Prius on the road the best thing we can do is make sure we all have a local ASE certified mechanic who's willing to specialize in Hybrid pack repair and as soon as the Hybrid battery error code hits you take it to shop and they first check to confirm it's not a clogged cooling fan or bad 12volt, and then they put in a loaner hybrid pack and off you go an hour or two later and come back to swap it out when your pack is rebuilt. Getting as much life out of these pack before they're recycled is the responsible eco-minded thing to do!!!!
     
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  15. golfmk681

    golfmk681 Active Member

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    Prius camper, do you have a youtube channel? LOL I'm being serious

    So can any Toyota dealership sell the battery for 2k? I saw online, the best deal is about 1650 plus 150-200 shipping, however, you need to send your core in so I'm guessing that's another 150-200 in shipping cost.
     
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  16. JC91006

    JC91006 Senior Member

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    This is a good deal for a 2016 battery, no core charge and you can pick up

    Elearnaid, near your neck of the woods Screenshot_2018-07-24-19-50-30.jpeg
     
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  17. golfmk681

    golfmk681 Active Member

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    This guy is legitimate?

    Is a 2016 battery plug and play?
     
  18. JC91006

    JC91006 Senior Member

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    He's legit, really good reviews. Another member just bought one for $1000.

    Not plug and play. You are just buying the modules, replace yours. You get a discount by not buying the case.
     
  19. golfmk681

    golfmk681 Active Member

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  20. JC91006

    JC91006 Senior Member

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    Just get a price on modules, no case. It'll be less

    He seems to have lots of these from wrecks, maybe you can get a cheaper one. 2016 pack will outlast your car