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2010 Prius Engine Replacement

Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by fopoku2k2, Feb 20, 2017.

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  1. fopoku2k2

    fopoku2k2 Member

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    great help you guys. I feel like I am almost at the end of the tunnel. OK so I was able to get rid of the old codes with all your help

    unfortunately I have some new ones.

    P0A2D
    P0A40
    P0A41

    find scan image attached

    [​IMG]
     
    #21 fopoku2k2, Mar 22, 2017
    Last edited: Mar 22, 2017
  2. fopoku2k2

    fopoku2k2 Member

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    #22 fopoku2k2, Mar 22, 2017
  3. bisco

    bisco cookie crumbler

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    was it the orange safety plug?
     
    #23 bisco, Mar 22, 2017
    Raytheeagle likes this.
  4. Mendel Leisk

    Mendel Leisk Senior Member

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    To help my poor 'ol myopic eyes:

    upload_2017-3-22_19-42-59.png
     
    #24 Mendel Leisk, Mar 22, 2017
  5. fopoku2k2

    fopoku2k2 Member

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    yes sir
     
    #25 fopoku2k2, Mar 23, 2017
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  6. epoch_time

    epoch_time Active Member

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    Those code indicate drive motor A. might not be pluged in properly to the main hybrid ecu.
    Like maybe they forgot a plugin to the transaxle drive motor. Or possibly damaged one of the electrical connections to the transaxle drive motor A.

    If there telling you have bad battery cells. You should ask to see the battery report that shows all battery cell voltages.
    You should ask them to charge the high voltage battery. all dealers should have the required charger.

    Because the battery started the car before you parked it indicated it may still have life if recharged.

    But none of the codes you have submitted to prius chat indicate bad battery cells.
     
    #26 epoch_time, Mar 25, 2017
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  7. Samprocat

    Samprocat Active Member

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    Ping your cable for motor A and motor A resistance.........go in opposed direction eliminating one by one then check big hybrid pack

    Posted via the PriusChat mobile app.
     
    #27 Samprocat, Mar 25, 2017
  8. fopoku2k2

    fopoku2k2 Member

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    so i got my car back from the shop. everything seem to be working so far. thank you guys for all your efforts.

    apparently one of the connectors was faulty. had a bad wire, so mechanic had to replace it.

    sucks I have to continue the mileage from the old engine. wish i cld pick up from the new engines mileage . . . . sucks!!!!!
     
    #28 fopoku2k2, Mar 27, 2017
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  9. Mendel Leisk

    Mendel Leisk Senior Member

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    Sounds like things are on the up-and-up. (y)
     
    #29 Mendel Leisk, Mar 27, 2017
  10. fopoku2k2

    fopoku2k2 Member

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    yeap. thanks to the wonderful people of PriusChat.com

    now i can start pimping my prius like a #boss . . . :):)
     
    #30 fopoku2k2, Mar 27, 2017
    WolfpackBill, DonDNH and Mendel Leisk like this.
  11. fopoku2k2

    fopoku2k2 Member

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    sorry to bug you guys again, but I am having some strange issues with my stereo. I am not sure if it is linked with the engine swap.

    the display sometimes acts funny with some strange tree like indications on it. this morning the display was actually off but i could still listen to music.

    anybody knows whats going on or do I have to consult an "exorcist "
     
    #31 fopoku2k2, Mar 29, 2017
  12. fopoku2k2

    fopoku2k2 Member

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    After using my newly engine changed Prius for about 3 weeks. I got these a check hybrid system error this afternoon whilst on the highway. These are the scan codes.

    OBD2 - confirmed:
    P0A7A - Generator Inverter Performance

    OBD2 - confirmed:
    P0A94 - DC/DC Converter Performance

    OBD2 - pending:
    P0A94 - DC/DC Converter Performance

    OBD2 - permanent:
    P0A7A - Generator Inverter Performance

    OBD2 - permanent:
    P0A94 - DC/DC Converter Performance

    Any idea what the problem is?

    Posted via the PriusChat mobile app.
     
    #32 fopoku2k2, Apr 12, 2017
  13. Samprocat

    Samprocat Active Member

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    Check DC/DC connection from hybrid pack
    Coolant pump ??
    Second choice is most likely
    12v battery health

    Posted via the PriusChat mobile app.
     
    #33 Samprocat, Apr 12, 2017
  14. Samprocat

    Samprocat Active Member

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    #34 Samprocat, Apr 12, 2017
  15. Samprocat

    Samprocat Active Member

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    Conditions to generator and check generator winding resistance....make sure all connection are good before doing this.....I'm not sure if you have this expensive tool ....

    Posted via the PriusChat mobile app.
     
    #35 Samprocat, Apr 12, 2017
  16. Samprocat

    Samprocat Active Member

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    Best approach is to talk to the mechanic that was doing replacment and find out all connectors that was disconnected and recheck all

    Posted via the PriusChat mobile app.
     
    #36 Samprocat, Apr 12, 2017
  17. m.wynn

    m.wynn Senior Member

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    Head for a dealer.

    P0A94 - likely IPM failure (intelligent power module - inverter), warrantied for 15 years, unlimited mileage. With your high mileage vehicle it will be interesting to see if they try to squirm some loophole.
     

    Attached Files:

    #37 m.wynn, Apr 12, 2017
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  18. fopoku2k2

    fopoku2k2 Member

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    looks like I need a new inverter. anybody knows the part number for the 2010 inverter.

    also I read somewhere that the 2010 inverter is not very strong/durable. any idea if i could install another year inverter in my 2010?

    Thank you for reading
     
    #38 fopoku2k2, Apr 13, 2017
  19. Mendel Leisk

    Mendel Leisk Senior Member

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    #39 Mendel Leisk, Apr 13, 2017
    fopoku2k2 likes this.
  20. fopoku2k2

    fopoku2k2 Member

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    #40 fopoku2k2, Apr 14, 2017
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