Help! Torque converter went bad?

Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by Lemonhead228, Aug 12, 2025.

Page 2 of 2
  1. Lemonhead228

    Lemonhead228 New Member

    Joined:
    Aug 12, 2025
    7
    1
    0
    Location:
    Mississippi
    Vehicle:
    2005 Prius
    Model:
    Two
    I did drove the car around for another week when it happened to trigger a code but nothing.

    Im going to try and clean all the terminals and connections. Hopefully it helps.
     
    #21 Lemonhead228, Aug 29, 2025 at 8:32 PM
  2. hurricos

    hurricos Junior Member

    Joined:
    Aug 20, 2023
    38
    6
    0
    Location:
    Burlington, Vermont
    Vehicle:
    2008 Prius
    Model:
    One
    I am struggling to believe you aren't getting any codes or blink codes. How are you trying to retrieve error codes from the system?
     
    #22 hurricos, Aug 30, 2025 at 8:42 PM
  3. Lemonhead228

    Lemonhead228 New Member

    Joined:
    Aug 12, 2025
    7
    1
    0
    Location:
    Mississippi
    Vehicle:
    2005 Prius
    Model:
    Two
    Obd2 scanner. I even left it plugged in for live data to se if it catches anything. Nothing.

    I just cleaned my bus bars and sanded down all the connections. It wasn't super corroded but did have little build up. I believe all my battery are in good condition but what Tombukt2 said does makes sense. Battery read good volts but might not be getting full amps because of connections. Will up date this week when I get the battery back into the car.
     
    #23 Lemonhead228, Sep 2, 2025 at 1:40 AM
  4. ChapmanF

    ChapmanF Senior Member

    Joined:
    Mar 30, 2008
    26,885
    17,641
    0
    Location:
    Indiana, USA
    Vehicle:
    2010 Prius
    Model:
    IV
    Are there any warning lights illuminated on the dash?

    If there aren't, it's unsurprising to see no codes. Nearly all trouble codes, when set, will light at least one warning light.

    If there are no lights and no codes, it's possible that you're worrying (as suggested upthread) over behavior that is within the range of normal for your car's age and condition, and doesn't cross any threshold that would set a code.

    If there are warning lights and the code reader you're using says no codes, that's most likely the fault of the code reader you're using, and the thing to do would be to select another one after reviewing this thread:

    Gen2 OBD2 app review | PriusChat
     
    #24 ChapmanF, Sep 2, 2025 at 11:00 AM
    hurricos likes this.
(You must log in or sign up to post here.)
Page 2 of 2