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Meaning of DTC P30001, P30002, P30003, P3006 for 2003 Prius

Discussion in 'Generation 1 Prius Discussion' started by Kelly2815, Oct 19, 2024.

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  1. Kelly2815

    Kelly2815 Junior Member

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    I am sorry if these have already been explained somewhere but I could not find them. These are the codes I would like to know the meaning of: P30001, P30002, P30003, P3006 That last one only has two zeros. Toyota diagnosed my 2003 Prius after check engine lights came on. They recommend replacing hybrid battery and ECU. But I want to know what those codes mean. Looked all over the internet, found some, but not all of those. Can someone help or direct me to a site that would list them all? Thank you.
     
    #1 Kelly2815, Oct 19, 2024
  2. ChapmanF

    ChapmanF Senior Member

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    They all should have only two zeros. All the DTCs for your generation are five characters. Probably the extra zeros in the codes you're searching for are the reason you haven't had better search results.
     
    #2 ChapmanF, Oct 19, 2024
  3. Trombone

    Trombone Member

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    What Chap said. If you put those codes into a search engine, you'll get specific, if terse, descriptions of the problems. Google or DuckDuck "Toyota Prius DTC P3001," etc.
     
    #3 Trombone, Oct 19, 2024
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