2003 sls heated seats

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Cadillac Seville / Cadillac Eldorado Forum Discussion, 2003 sls heated seats in Past Cadillac Vehicle Discussion; They stopped working. Check fuses or what? Battery is new so that isn't the problem....
  1. #1
    ARTSBEST is offline Cadillac Owners Fanatic
    Automobile(s): 2003 SLS
    Join Date
    Jul 2005

    2003 sls heated seats

    They stopped working. Check fuses or what? Battery is new so that isn't the problem.

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  3. #2
    MoistCabbage's Avatar
    MoistCabbage is online now Cadillac Owners 10000+ Posts
    Automobile(s): 2001 Seville STS, 1990 Seville (RIP), 1972 Sedan Deville
    Join Date
    Sep 2010
    East Boston MA.
    They both stopped working at once? Do the lights come on on the buttons?

  4. #3
    Submariner409's Avatar
    Submariner409 is offline If it won't run, install big wheels !
    Automobile(s): 2002.5 F55 STS, 2014 Explorer XLT 4WD
    Join Date
    Feb 2006
    MD Eastern Shore

    Re: 2003 sls heated seats

    Turn the key On. Press a seat heater button and listen down low under the front seat apron. An intermittent click indicates the seat pad or back heater element has opened - the module is trying to close the circuit, but "sees" infinite resistance.

    Otherwise, check the fuses - both underhood and under rear seat pad boxes, an d check the under-seat connectors to the heater modules.

    There is a new design heater element in the field - dealer - and the least expensive install is to use a good upholstery shop if you doin';t attempt DIY.

    Some have disassembled the seat and pads to find the element break, and then soldered a small jumper across the break, but that doesn't seem to last very long.

  5. #4
    basscatt's Avatar
    basscatt is offline Cadillac Owners 10000+ Posts
    Automobile(s): two 02 DHS's, 03 SLS, 95 Sedan DeVille, 89 Coupe DeVille
    Join Date
    Feb 2004

    Re: 2003 sls heated seats

    if everything else fails - check for Diagnostic Trouble Codes -

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


    if you have any codes - post them here -

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