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Thread: P0654 Engine RPM Output Circuit Malfunction

  1. April 5th, 2007 #1
    billiardcue
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    Default P0654 Engine RPM Output Circuit Malfunction

    P0654 Engine RPM Output Circuit Malfunction
    What does this code mean?
    Dick Abbott
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  2. April 5th, 2007 #2
    wait4me
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    That is usually bad. Either the Wire is touching some where/ the tach is bad/ or the pcm output is going out.
    "If you can leave a black mark on the pavement, from the exit of one corner to the braking point of the next one, you have enough horsepower."
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