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Check Hybrid System

Discussion in 'Gen 3 Prius Technical Discussion' started by 9uns, Apr 17, 2017.

  1. 9uns

    9uns Junior Member

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    Hello,

    So I washed the car this weekend and took it upon myself to install CT200h wheels (w/o TPMS - will transfer over soon) and do some interior wrapping. I took apart the following items:

    - Upper & Lower Glove box
    - Passenger AC Vent
    - Center Console Assembly (headunit cover, shifter cover, cup holder assembly)

    When I took apart the shifter cover, I had to unplug the cables plugged into the drive mode controls, park button and emergency lights. After I reinstalled all the pieces and plugged in the cables to its proper part, I got a "Check Hybrid System" message. I let it sit overnight hoping it would disappear, but it's still there.

    Now, I've read that it could be a number of issues (hybrid battery, car battery, fuse, etc.). I'm thinking that it's not a serious issue and that it's related to the unplugging of those 3 controls. Before, I go and take the car to the stealership, is there any way I check this myself?

    Thanks in advance.
     
    #1 9uns, Apr 17, 2017
  2. TMR-JWAP

    TMR-JWAP Senior Member

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    I'll be the first to admit I have no significant level of knowledge about the shifter disassembly, but I would try just disconnecting the 12v for a few minutes and then see if everything boots back up normally. Just like I treat a computer. If it's doing weird things, completely power it down and reboot it.
     
    #2 TMR-JWAP, Apr 17, 2017
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  3. 9uns

    9uns Junior Member

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    I'll try that during my lunch. Just disconnect the terminals and reconnect?
     
    #3 9uns, Apr 17, 2017
  4. telmo744

    telmo744 HSD fanatic

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    From memory, all you have to do is restart/cycle IGN some 4 or 5 times. If P button is back in place, the error will disappear.
     
    #4 telmo744, Apr 17, 2017
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  5. bisco

    bisco cookie crumbler

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    if you should disconnect the 12v, only the negative is necessary, for a few minutes.
     
    #5 bisco, Apr 17, 2017
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  6. 9uns

    9uns Junior Member

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    telmo744, IGN = ignition? I tried cycling from off to on when I parked in my parking structure at work today before I headed into the office hoping that would help. No luck :(

    bisco, thanks for the clarification. i'll give that a shot.
     
    #6 9uns, Apr 17, 2017
  7. shahzad Ayyub

    shahzad Ayyub New Member

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    I have Prius alpha 2013 S 7 seater zvw 41 my car is start and running on gasoline but not after charging converting on Hybrid batteryalthough battery is fully charged error code code p31ac ... P31aa can any one guide me how i can fix this
     
    #7 shahzad Ayyub, Apr 17, 2017
  8. 9uns

    9uns Junior Member

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    Just tried turning the car on and it looks like the error message cleared itself. I'll report back after my drive home later tonight. Thanks to everyone that replied!
     
    #8 9uns, Apr 17, 2017
  9. bisco

    bisco cookie crumbler

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    what are you reading the codes with? are there dash warning lights? how many miles on her?
     
    #9 bisco, Apr 17, 2017
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