Hybrid Battery Replaced, still getting VSC, red triangle light and check engine light

Discussion in 'Gen 2 Prius Technical Discussion' started by ssolis, Feb 27, 2017.

  1. ssolis

    ssolis New Member

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    2007 prius. Replaced the HB week ago, Dorman hybrid battery, car drives good with no issues for 20 mins then the same symptoms appear as before and all light on dash board come on.
     
  2. bisco

    bisco cookie crumbler

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    welcome!
    perhaps there's another issue. how is the 12v health?
     
  3. JC91006

    JC91006 Senior Member

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    You need to get the codes read, it can be a bad hv battery from Dorman
     
  4. ssolis

    ssolis New Member

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    The 12v battery is brand new.

    How can I check of the hybrid battery is faulty if its brand new.
     
  5. greasemonkey007

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    The hybrid battery is most likely reconditioned, not brand new. However, there are a number of possible causes. You need the diagnostic trouble codes read from either a dealership or someone with the proper Toyota software. Or you can spend about $30 and get Techstream and do it yourself.
    There could have been another issue besides the battery, or you could have gotten a faulty one. Without the codes, you're just guessing.
     
  6. HBS

    HBS Junior Member

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    Did you swap the battery yourself? The most common problem I see is related to people not pushing down on the lever of the orange plug/disconvect after installing the plug and rotating the lever to the vertical position.
     
  7. JC91006

    JC91006 Senior Member

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    He already drove for 20 minutes
     
  8. ericbecky

    ericbecky Hybrid Battery Hero

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    Get the codes.
    Double check all connections.
    Did you use a torque wrench to properly torque the hv connections? Or did you simply guess "by feel"?
     
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