Oopsie Moment- Pulled one of the sensor wires off top of Battery

Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by Mavi, Jul 23, 2018.

  1. Mavi

    Mavi Active Member

    Joined:
    Oct 12, 2015
    484
    285
    0
    Location:
    San Diego,ca
    Vehicle:
    2020 Prius Prime
    Model:
    XLE
    So I accidentally pulled one of these off during a battery replacement. I pushed it back in and put a heat shrink tube which made it stick back, but i'm sadly getting a P0aac code, which I'll have to do the mini vci on soon to see.

    But anyways how do you fix this? Do you just replace the entire sensor system, I know they sell them on ebay for 40 shipped. Or is there a way I can do by myself? Thanks
    20180722_193753[1].jpg

    Images:
     
    #1 Mavi, Jul 23, 2018
    Last edited: Jul 23, 2018
  2. ChapmanF

    ChapmanF Senior Member

    Joined:
    Mar 30, 2008
    26,244
    17,186
    0
    Location:
    Indiana, USA
    Vehicle:
    2010 Prius
    Model:
    IV
    I see no image....
     
    #2 ChapmanF, Jul 23, 2018
  3. Mavi

    Mavi Active Member

    Joined:
    Oct 12, 2015
    484
    285
    0
    Location:
    San Diego,ca
    Vehicle:
    2020 Prius Prime
    Model:
    XLE
    Image links: https://imgur.com/a/anYlh2X
     
    #3 Mavi, Jul 23, 2018
  4. TMR-JWAP

    TMR-JWAP Senior Member

    Joined:
    Aug 12, 2016
    6,404
    6,080
    0
    Location:
    Columbia, SC
    Vehicle:
    2007 Prius
    Model:
    Touring
    Well......to replace the entire harness means you need to access the three temp sensors mounted to the bottom of the module pack also.
    Depending on where it pulled apart at, you may be able to expose it and solder it.

    Being that it's a thermister, pushing it back together isn't going to "get it done". It doesn't take much to cause some wild resistance swings.

    Just noticed there was more than one photo. Yeah...not looking good for repair of that location.
     
    #4 TMR-JWAP, Jul 24, 2018
  5. JC91006

    JC91006 Senior Member

    Joined:
    Nov 10, 2013
    16,656
    8,504
    0
    Location:
    Los Angeles, CA
    Vehicle:
    2008 Prius
    Model:
    II
    You'll need a new one, $40 sounds pretty good. Or you can save that and return it as a core when you buy a new battery
     
    #5 JC91006, Jul 24, 2018
  6. Mavi

    Mavi Active Member

    Joined:
    Oct 12, 2015
    484
    285
    0
    Location:
    San Diego,ca
    Vehicle:
    2020 Prius Prime
    Model:
    XLE
    Sigh, I literally replaced every module from a low mile 2013 prius battery and broke it when completed. I'll have to tear it apart again to get it in but that's fine, it's fixable.
    Thanks for the advice.
     
    #6 Mavi, Jul 24, 2018
  7. JC91006

    JC91006 Senior Member

    Joined:
    Nov 10, 2013
    16,656
    8,504
    0
    Location:
    Los Angeles, CA
    Vehicle:
    2008 Prius
    Model:
    II
    Did you separate the bottom of the battery case from the modules? That would be the best way to work on the modules
     
    #7 JC91006, Jul 24, 2018
  8. Mavi

    Mavi Active Member

    Joined:
    Oct 12, 2015
    484
    285
    0
    Location:
    San Diego,ca
    Vehicle:
    2020 Prius Prime
    Model:
    XLE
    I may have, not sure? I basically took all the bolts on the bottom and sides out, took out all the modules, and then put the new modules back in
     
    #8 Mavi, Jul 24, 2018
(You must log in or sign up to post here.)