S40 Check Engine Code P0700

Discussion in 'Volvo S40' started by Rob MacTurk, Jan 25, 2005.

  1. Rob MacTurk

    Rob MacTurk Guest

    My '01 S-40 (89K Miles) has a check engine code P0700 - Transmission control
    system malfunction. Can anybody enlighten me about what this might mean?
    The car drives fine and the only thing it's doing (other than the light) is
    that the transmission mode arrow keeps flashing.

    Any information about this would be appreciated.

    Rob MacTurk, Jan 25, 2005
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  2. Rob MacTurk

    Mike F Guest

    I can't help you out with any specifics, but the transmission control
    unit has detected some kind of fault - electrical or internal - and
    that's why the arrow is flashing. The transmission control unit can
    "ask" the engine control unit to turn on the check engine light, which
    is why you have that code. You need a code reader that can read Volvo
    transmission faults, many of which are not part of the OBD-II spec., so
    generic OBD-II readers will not be able to read them.

    Mike F.
    Thornhill (near Toronto), Ont.

    Replace tt with t (twice!) and remove parentheses to email me directly.
    (But I check the newsgroup more often than this email address.)
    Mike F, Jan 26, 2005
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  3. Rob MacTurk

    Rob MacTurk Guest

    DRAT! I was afraid it was going to be a proprietary code - Thanks anyway,

    Rob MacTurk, Jan 26, 2005
  4. Rob MacTurk

    Per Hauge Guest

    How did you obtain this code (which tool)
    In the OBD2 standard the code P0700 is a generic code for transmission
    fault, other codes may be present in the ECU being more specific.
    If the code would be P1... it would be proprietary.

    Per Hauge
    Per Hauge, Jan 27, 2005
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