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05 Prius experiencing red triangle & vehicle w/up arrow, eng, brake light & various other symptoms

Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by Petrol intolerant, Jun 30, 2019.

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  1. Petrol intolerant

    Petrol intolerant New Member

    Joined:
    Jun 30, 2019
    3
    2
    0
    Location:
    Maryland
    Vehicle:
    2005 Prius
    Model:
    ----USA----
    Rad cooling fan on all the time, trac batt fan on all the time, eng seems to rev up a bit high for speeds up to 35mph(haven't gone any faster & only short drives)

    Things I've checked
    12v batt 12.1v ign on eng off/14.2 eng on
    (Charged 12v batt)
    Inverter fluid flow on reservoir & pump sound, both good
    Fault codes c1259, c1310, p0a80(twice), p3012(twice)

    Getting ready to pull the trac batt & check all cells tomorrow

    Any advice or guidance much appreciated & thanks in advance
     
    #1 Petrol intolerant, Jun 30, 2019
  2. exstudent

    exstudent Senior Member

    Joined:
    Jul 11, 2009
    2,212
    900
    0
    Location:
    Torrance, CA
    Vehicle:
    2007 Prius
    HV Battery needs to be replaced, period. What more do you need to see and hear to convince you otherwise?

    You just need to decide what your short/long term plans are w/ the car, and how much you are willing to spend or not spend.
    Do I need a reliable vehicle for my personal lifestyle and employment?
    Is there anything else I would rather do w/ my time than working on the HV Battery (repeatedly if I do module swaps)?
    How much longer do I want to keep the car?

    Swapping out modules is a band-aid repair. Can last hours/days/weeks/months.
    Used (rebuilt/reconditioned/remanufactured) from GreenCrappyBean ($1549) and other's are a poor choice.
    Rebuilders are a dime a dozen. Quality of their work is all over the place: few good rebuilders, many hacks.
    Best long term, trouble free, repair is to replace w/ NEW OEM HV Battery ($1600+) or 2k1Toaster's cylindrical modules ($1600).​
     
    #2 exstudent, Jul 1, 2019
  3. Petrol intolerant

    Petrol intolerant New Member

    Joined:
    Jun 30, 2019
    3
    2
    0
    Location:
    Maryland
    Vehicle:
    2005 Prius
    Model:
    ----USA----
    roger

    Bandaid for now, the beauty is staying with us till the wheels fall off(it'll take a lot for me to let it go)
    2k1 toaster's cylindrical modules sound fancy & interesting, I'll look into it
     
    #3 Petrol intolerant, Jul 1, 2019
    James1964 and bisco like this.
  4. FatBob09

    FatBob09 New Member

    Joined:
    Jul 5, 2019
    6
    2
    0
    Location:
    DFW
    Vehicle:
    2006 Prius
    Model:
    ----USA----
    $1500 installed @ pepboys: Dorman remanufactured-hybrid-battery - I found a 10% off coupon and another 15% off, so watch for coupons.
    3 yr unlimited miles.

     
    #4 FatBob09, Jul 15, 2019
  5. James1964

    James1964 Member

    Joined:
    Jul 28, 2018
    177
    83
    0
    Location:
    Vashon Island, WA
    Vehicle:
    2005 Prius
    Model:
    II
    I have one od these Dorman remans and have replaced it under warranty once in 12 months. Installed myself without too much fuss and it's running well for a couple of months now.
    Posted via the PriusChat mobile app.
     
    #5 James1964, Jul 23, 2019
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