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Battery ECU differences

Discussion in 'Gen 2 Prius Technical Discussion' started by FirstFlight, Jul 29, 2012.

  1. FirstFlight

    FirstFlight Member

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    Location:
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    Vehicle:
    2005 Prius
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    The battery ECU part numbers I'm aware of are:

    89890-47090​


    89890-47091​


    89890-47092​



    Some documentation I've read stated that they are for different years. My question is, can you put the 89890-47092 on any Prius as it supersedes 90/91 or were the ECU's made to communicate specifically with other ECU's in the car for certain years?

    Also, if anyone knows the changes, please let me know.
     
    #1 FirstFlight, Jul 29, 2012
  2. josh2008

    josh2008 Active Member

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    IIRC the difference in part numbers is just software revision. Nothing major, should all be interchangable.
     
    #2 josh2008, Jul 29, 2012
  3. Avi's Advanced Automotive

    Avi's Advanced Automotive Independent hybrid repair shop

    Joined:
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    Location:
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    2005 Prius
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    Three
    Yes, 89890-47092 will work in any Gen II Prius. Last time I checked it was the current replacement part number for 2005-2009. I have installed one in a 2004 without any problems.​
     
    #3 Avi's Advanced Automotive, Jul 29, 2012
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