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  1. Ethan Gueck
    Post

    Gen1 Codes P3000 sub code 123

    So I got codes p3000-123 and p3001. I replaced the HV ECU with one from eBay that was “tested and works”, and a month or so later I got the same...
    Post by: Ethan Gueck, Mar 21, 2025 in forum: Generation 1 Prius Discussion
  2. Ethan Gueck
    Post

    ‘03 P3001Code after new battery ECU

    Isn’t that P0301?
    Post by: Ethan Gueck, Oct 24, 2024 in forum: Generation 1 Prius Discussion
  3. Ethan Gueck
    Thread

    ‘03 P3001Code after new battery ECU

    Got the triangle of death, check engine light, and the hybrid light come on. Plugged in my tech stream and I’m seeing P3000 and P3001 for Battery...
    Thread by: Ethan Gueck, Oct 23, 2024, 3 replies, in forum: Generation 1 Prius Discussion
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