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2006 prius keeps giving code after HV pack replaced

Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by khoda355, Jul 10, 2015.

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  1. khoda355

    khoda355 Junior Member

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    Hello,

    I have a 2006 Prius, It has 165k miles. Recently it gave me a code to replace hybrid battery pack, I read this code with my scanner from HF. I have changed out a battery pack with replacing the bad modules before so I am not a bigger with the system. I took out the pack and checked and it seemed like all the modules are in the 7.8 range. This was confusing since the code reader was saying to replace the battery pack. I put it all back in the car and tested it again and got the same results. It seems like the HV system is not being recharged any longer. It seemed odd, normally when I remove my foot from the gas the system shows the car regenerating power.. Now when I step on the brakes I only see that. The system does charge but randomly it will drop down where there are 1 to 2 bars left and then charge back up again.

    So! just want to see if you guys/girls have any idea what could be causing this to happen? here are the codes I am getting.

    p0a80
    c1310 malfunction in HV system (when i read about this people say this is a ghost code that comes up from the battery pack.. but maybe not in my case?)

    I am using a harbor freight scanner ( that gives me the p0a80)
    and also using a Autel MaxiDiag Elite (giving me the c1310)


    Thanks!
     
    #1 khoda355, Jul 10, 2015
  2. bisco

    bisco cookie crumbler

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    welcome! to find the bad cells, you need the mini vci w/ tech stream software and a laptop. they have to be tested while under load (driving).
     
    #2 bisco, Jul 10, 2015
  3. khoda355

    khoda355 Junior Member

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    thanks for your reply,

    how come for others that I did the same for the cell showed it was bad by being under 6.5?

    Thanks for the info, there is no obd2 reader that can do that too?
     
    #3 khoda355, Jul 10, 2015
  4. bisco

    bisco cookie crumbler

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    1) you had a really bad cell, now, they're just marginal.

    2) i don't think so.
     
    #4 bisco, Jul 10, 2015
  5. khoda355

    khoda355 Junior Member

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    where can i get this software? and vci?

    thanks
     
    #5 khoda355, Jul 10, 2015
  6. Patrick Wong

    Patrick Wong DIY Enthusiast

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    #6 Patrick Wong, Jul 10, 2015
  7. khoda355

    khoda355 Junior Member

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    great i have this! where can i get the software? anywhere i can download it from?

    thanks


    also... i put in another pack that i had sitting around and it seemed to do the same thing.. maybe that pack was bad from sitting so i don't ave a problem trying this!

    thank you all
     
    #7 khoda355, Jul 10, 2015
  8. Patrick Wong

    Patrick Wong DIY Enthusiast

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    The software comes with the Mini VCI cable. You can also find it on the web if you search around. I haven't needed to download it so I will leave it to you to decide what might be a good source and what might be full of viruses.
     
    #8 Patrick Wong, Jul 10, 2015
  9. khoda355

    khoda355 Junior Member

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    i got the cable for a bmw... it should still work for this correct? just different software?
     
    #9 khoda355, Jul 11, 2015
  10. khoda355

    khoda355 Junior Member

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    got a download of it... but i guess it needs a software key? thought it was free... here is where i got it from.

    toyota-tech.eu/GTS/Wizard/Step5-Software.aspx
     
    #10 khoda355, Jul 11, 2015
  11. bisco

    bisco cookie crumbler

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    afaik, no one here has ever bought it separately. so, unfortunately, i think you're on your own, unless you buy the cable again. it might be worth the 25 bucks, if you can't figure it out.
     
    #11 bisco, Jul 11, 2015
  12. khoda355

    khoda355 Junior Member

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    okay so i will buy the cable and the cd with it..

    is there anything with the HV system not getting charged? i feel like there is another problem with it..

    thanks
     
    #12 khoda355, Jul 11, 2015
  13. bisco

    bisco cookie crumbler

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    have you checked your mpg's?
     
    #13 bisco, Jul 11, 2015
    Last edited: Jul 11, 2015
  14. khoda355

    khoda355 Junior Member

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    it throws on the red triangle and other lights and the HV fan turns on full blast. so i have not driven it.
     
    #14 khoda355, Jul 11, 2015
  15. bisco

    bisco cookie crumbler

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    i'm just guessing, but i think you have to get your pack balanced.
     
    #15 bisco, Jul 11, 2015
  16. khoda355

    khoda355 Junior Member

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    just odd that i have changed out cells before and never had this happen. how do you go about balancing the cells? do you recommend a charger that does that too?
     
    #16 khoda355, Jul 11, 2015
  17. Patrick Wong

    Patrick Wong DIY Enthusiast

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    If you use a Toyota website, clearly Toyota will charge you big $$$ for the software. However if you are doing this professionally, you should purchase and install the real software.

    Otherwise, here is one possibility, you bear the risk if your laptop develops a mind of its own after you download and install this.
    MINI VCI FOR TOYOTA TIS Techstream free download - ChinaAutoDiag.com
     
    #17 Patrick Wong, Jul 11, 2015
  18. bisco

    bisco cookie crumbler

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    balancing the cells after replacing the bad ones is a tricky business. your best bet is to do some searching here, there are many threads on rebuilding batteries, with good advice, and pics. all the best.(y)
     
    #18 bisco, Jul 11, 2015
  19. dolj

    dolj Senior Member

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    I would expect that as long as your BMW cable is a J2534 compliant VIM (as per Toyota EU) then it should work ok.

    Did you install the TS v10.10.018 that you dowloaded?

    If you have, make sure you select the BMW VIM from the setup menu in TS.
     
    #19 dolj, Jul 11, 2015
  20. khoda355

    khoda355 Junior Member

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    got that all working thanks you all!!!


    now im stuck here trying to figure out this block stuff. says block 10 is bad.... i was told ever 2 from the orange plug is a block. is that correct?

    thanks!
     
    #20 khoda355, Jul 16, 2015
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