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p0604

  1. P0604 OBD-II Trouble Code: Internal Control RAM Error

    General Magnum Discussion
    2005 R/T, stock, no mods. Just this last weekend I got a check engine light. I did not have a reader, so I did the ignition on/off/on/off/on diagnostic and the code that came up was P0604, no other codes. So, first thing I did was disconnect the battery to see if the code would clear. It was...
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