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  1. PrestonH2O
    Post

    P1121 Fail fix

    Hey turns out I am a moron, I didn't realize there are two separate coolant revivors. I went ahead and refilled the one that actually got emptied...
    Post by: PrestonH2O, Sep 22, 2025 in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
  2. PrestonH2O
    Post

    P1121 Fail fix

    Update: I am now ONLY getting P0A93. Also at one point all the lights on the dash went on including the E-break light and it started beeping...
    Post by: PrestonH2O, Aug 10, 2025 in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
  3. PrestonH2O
    Thread

    P1121 Fail fix

    I tried to fix my p1121 error code by replacing the 3-way coolant control valve. I even got OEM. I ended up spilling all the coolant on the...
    Thread by: PrestonH2O, Aug 10, 2025, 5 replies, in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
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