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  1. #1
    Got Boost? psycho rxp's Avatar
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    Anyone ever hear of a code PO1504 ??

    Friend of mine has a newer (2010-2011) naturally aspirated 4-tec. Guessing a GTI 155, or 130 not sure yet on that. It has the IBR system, and he says it runs fine, but showed a PO 1504 code, and I don't see it anywhere in the code lists for previous years. Any help would be appreciated

    Thanks, Jason


  2. #2
    Moderator beerdart's Avatar
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    P1504 ECM T.O.P.S. switch short
    circuit ground
    Boat or sensor upside down,
    damaged circuit wires, damaged
    connector or damaged ECM
    output pins.
    Check continuity for circuits
    A-C4, A-G1, A-F4.Refer to the
    service manual for more details.

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  4. #3
    Got Boost? psycho rxp's Avatar
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    Quote Originally Posted by beerdart View Post
    P1504 ECM T.O.P.S. switch short
    circuit ground
    Boat or sensor upside down,
    damaged circuit wires, damaged
    connector or damaged ECM
    output pins.
    Check continuity for circuits
    A-C4, A-G1, A-F4.Refer to the

    service manual for more details.


    Awesome, thanks man

  5. #4

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    Wow! there is no Dealer (I know of) that would give you an answer inside of 10-min (not to mention a diagnostic fee)

    Good job!

  6. #5
    Moderator beerdart's Avatar
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  7. #6
    Got Boost? psycho rxp's Avatar
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    Quote Originally Posted by ticat928 View Post
    Wow! there is no Dealer (I know of) that would give you an answer inside of 10-min (not to mention a diagnostic fee)

    Good job!
    Thats why this place is the best! Dealers come here for info sometimes...

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