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  1. Adam Merchant
    Thread

    15 check engine lights after fixing damaged wire

    Hey everyone, I bought a 2016 Prius last year with minor front end damage. It ran perfectly for 8,000 miles, but with a check engine light (U0284...
    Thread by: Adam Merchant, Jul 18, 2025, 1 replies, in forum: Gen 4 Prius Technical Discussion
  2. anonymous
    Thread

    Need pinout for engine control module 89661-47390

    Does anyone have access to the pinout information for the gen 3 engine control unit (part # 89661-47390)? I want to find the two wires that go to...
    Thread by: anonymous, Aug 5, 2020, 2 replies, in forum: Gen 3 Prius Technical Discussion
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