Transmission relay or fuse
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Cadillac DeVille 1985 to 2005 including:
1985-1992 Fleetwood, 1993 Sixty Special, All FWD Forum Discussion, Transmission relay or fuse in Past Cadillac Vehicle Discussion; Does anyone know if there is a transmission relay or fuse for 03 deville? If there is what is the ...
  1. #1
    wahhabm is offline Cadillac Owners Fanatic
    Automobile(s): 2003 Deville
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    Transmission relay or fuse

    Does anyone know if there is a transmission relay or fuse for 03 deville? If there is what is the location? I seea fuse in the boxin the engine bay it is 10 amp it says trans? Is that the only one? are there relays? One would think that there should be something more than a 10 amp fuse, wouldn't you. Any input on this?

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    maeng9981's Avatar
    maeng9981 is offline Cadillac Owners Connoisseur
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    Re: Transmission relay or fuse

    What kind of issues are you having? There's only one fuse, marked TRANS, #13 in your underhood fuse box. The TRANS fuse handles TCC PWM solenoid and shift solenoids. All others are managed by PCM.

  4. #3
    wahhabm is offline Cadillac Owners Fanatic
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    Re: Transmission relay or fuse

    I am having a TCC performance stuck off. It is a wild shot.

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    maeng9981's Avatar
    maeng9981 is offline Cadillac Owners Connoisseur
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    Re: Transmission relay or fuse

    Do you have P0741 only, or P0741 and P1860 combination?

  6. #5
    basscatt's Avatar
    basscatt is offline Cadillac Owners Master
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    Re: Transmission relay or fuse

    check for Diagnostic Trouble Codes -

    if you don't know how - go here and read the ENTIRE post -

    http://www.cadillacforums.com/forums...odes-dtcs.html

    if you have any codes - post them here -
    ALONG WITH THEIR DEFINITIONS -

    ----------------------
    if you have P0741 by itself - without P1860 - the problem is worn seals -
    and the ONLY way to fix the problem is to drop the trans -

    if you have BOTH - P0741 AND P1860 -
    the TCC solenoid is defective and can be replaced WITHOUT dropping the trans -

    here is an excellent post about the codes -

    http://www.cadillacforums.com/forums...60-1998-a.html

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