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Replaced battery cell, still errors

Discussion in 'Gen 2 Prius Main Forum' started by lordofthereef, Dec 5, 2019.

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  1. bisco

    bisco cookie crumbler

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    ...replaced the cells and threw it back together
     
    #41 bisco, Dec 11, 2019
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  2. lordofthereef

    lordofthereef Junior Member

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    A small update.

    I took the vehicle in for inspection. Dash lights are showing nothing however their obd2 is showing the following code: 7F 0A 11

    The mechanic asked me what I did to the car. Explained. He said I need to drive it 40-50 miles. Just drove up to NH since I had to return something to the mall anyway. That's about 40 miles. No errors in the dash. Will drive right back (another 40 miles, obviously) and see if that clears things up.
     
    #42 lordofthereef, Dec 11, 2019
  3. George W

    George W Active Member

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    I am confused here. Did the inspection station put a code reader on your car?
     
    #43 George W, Dec 11, 2019
  4. lordofthereef

    lordofthereef Junior Member

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    They must have. Is that unusual?


    I have the printout of everything they check off. The line that failed included that error code that I shared.

    edit: waiting at the inspection station now. Will see what they say.
     
    #44 lordofthereef, Dec 11, 2019
  5. George W

    George W Active Member

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    It would be unusual for Texas
     
    #45 George W, Dec 11, 2019
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  6. lordofthereef

    lordofthereef Junior Member

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    Well, whatever changed, it passed after doing about 80 miles. I still see the fault code in the printout thought but you can see the line where it failed the first time; "readiness result".

    For the record, I asked, and in the state of MA they do plug an obd2 in for emissions purposes.


    FCAA6F69-3097-4E82-B982-6550DF8BA99A.jpeg F93648DF-61B3-4688-A068-E6C5768A6DF7.jpeg
     
    #46 lordofthereef, Dec 11, 2019
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  7. cthindi

    cthindi Member

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    You could get a code reader such as ELM 327 for less than 20$. You could run the checks yourself and confirm readiness flags as well as rest the codes. There are free apps / free versions fo paid apps which show the flags.

    It would be even better to get Techstream for about 25$ on ebay. But for most of those versions you need an old laptop with Windows XP.
    I use a old laptop now dedicated exclusively for Techstream since i have 3 Toyota's, 2 of those hybrids.

    I too have a 2005 Prius with 365K miles. I am getting P0420 code on that. Sometimes within 25 miles and at other times after 200 or so miles.

    I have twice passed the emissions test after clearing the codes and getting tested in the sweet spot between readiness flags getting set and fault code getting set again.
     
    #47 cthindi, Dec 11, 2019
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  8. cnc97

    cnc97 Senior Member

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    I have the app Car Scanner, and a TopOne OBD dongle. Both iOS compatible. I can set it up to monitor up to 12 different read outs from a very large list of possibilities. This is one of an unlimited number of diagnostic screens that I can add. It will read and clear codes, and can do “performance data” as well.
     

    Attached Files:

    #48 cnc97, Dec 11, 2019
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  9. bisco

    bisco cookie crumbler

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    in ma, they just look at the computer history. it's tough to get around
     
    #49 bisco, Dec 11, 2019
  10. lordofthereef

    lordofthereef Junior Member

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    Earlier in the thread I mentioned I had this but my wife recycled the laptop :(

    I have a cheap Bluetooth reader. It resets codes (or I thought it did, it cleared dash lights) but it wasn't reading any codes for me. It's possible it's the reader or the app or both.

    mid there an app and/or hardware you recommend?
     
    #50 lordofthereef, Dec 11, 2019
  11. lordofthereef

    lordofthereef Junior Member

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    I'm using car scanner. It was showing zero error codes for me. Maybe I'm somehow using it wrong? When I sent the clear commands it was clearing the dash lights. So it does work that way. But when I look for codes it claims there's nothing there.
     
    #51 lordofthereef, Dec 11, 2019
  12. cthindi

    cthindi Member

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    There is a free app called 'Hybrid Auto Doctor' which explicitly shows all readiness flags. It is available on Android. I do not know if it is available on iPhone. It should work with your Bluetooth ODB adapter.
     
    #52 cthindi, Dec 12, 2019
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  13. lordofthereef

    lordofthereef Junior Member

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    There's.doesnt seem.to be. But I have an older Android phone that I could bootnup and see if it works with. Might require some.sim card swapping thoguh.
     
    #53 lordofthereef, Dec 12, 2019
  14. cthindi

    cthindi Member

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    If it is older phone and you do not want to use it, why swap the sim? You could just install the app over wifi and connect OBDII using Bluetooth. Also I mistyped the App name. It is 'OBD Auto Doctor'
     
    #54 cthindi, Dec 12, 2019
  15. PriusCamper

    PriusCamper Senior Member

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    I think they mean Dr. Prius... Also buying OBD2 is problematic, so read this first: Hybrid battery diagnostic and repair tool for Toyota and Lexus
     
    #55 PriusCamper, Dec 12, 2019
  16. lordofthereef

    lordofthereef Junior Member

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    I guess I assumed internet was required for the app to run but I guess it makes sense. Once the app is installed all of the information on any codes is stored locally?
     
    #56 lordofthereef, Dec 12, 2019
  17. lordofthereef

    lordofthereef Junior Member

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    #57 lordofthereef, Dec 12, 2019
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