Need help with 2002 Deville electrical
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Cadillac DeVille 1985 to 2005 including:
1985-1992 Fleetwood, 1993 Sixty Special, All FWD Forum Discussion, Need help with 2002 Deville electrical in Past Cadillac Vehicle Discussion; Door locks, reverse lights, dome lights, trunk lock, fuel door and lighter don't work on my 2002 deville. I have ...
  1. #1
    franb01 is offline Cadillac Owners Member
    Automobile(s): Deville 2002
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    Need help with 2002 Deville electrical

    Door locks, reverse lights, dome lights, trunk lock, fuel door
    and lighter don't work on my 2002 deville. I have checked all fuses and wiring behind back seat in trunk. All seems to be ok. Anyone have any ideas what the problem is? Thanks for any advise.

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  3. #2
    Mr.electric is offline Cadillac Owners Member
    Automobile(s): 2004 Deville
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    Body control module dead?
    Enter the code retrieval mode on the center display and see if the main computer successfully talks to the body computer or return some type of error.

  4. #3
    franb01 is offline Cadillac Owners Member
    Automobile(s): Deville 2002
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    Thread Starter

    Re: Need help with 2002 deville please!!!

    Where do i get the code retrieval mode? Not sure what you are talking about.

  5. #4
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
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    Re: Need help with 2002 deville please!!!

    See the DTC Sticky at the top of the forum page.


    to Deville forum

  6. #5
    JimD is offline Cadillac Owners Connoisseur
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    Re: Need help with 2002 deville please!!!

    Quote Originally Posted by franb01 View Post
    Where do i get the code retrieval mode?
    Scroll down about 1/2 way on this page and you will find instructions for 2000 to 2005 Devilles.

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

  7. #6
    Submariner409's Avatar
    Submariner409 is offline If it won't run, install a sound system
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    Re: Need help with 2002 Deville electrical

    franb01, - basic knowledge - "code retrieval mode" - Our cars have a built-in scanner/memory/database that logs inputs from many, many, many sensors and systems in the car - Powertrain, Chassis, Body, and (U) power and data. You get to this database by using the 3 buttons just right of the DIC. Follow the specific year/model instructions in the link provided by JimD. The alphanumeric code readout is a string of Diagnostic Trouble Codes. Practice - then write down all codes you get as well as whether each is Current or History - something like P 0000 Current or C 0000 History. Go back to the sticky post and use the links provided to get to lists of definitions for all trouble codes. Write it all down and post it all here.

    Tedious ???? You'll pay $100 to a GM dealer for the service, or a large parts store might give you a printout - but those sometimes miss bits and pieces.

    You might want to study the other sticky posts just above this one, as well as those in Discussions; Cadillac Tech Tips and Engines; Northstar Performance. Then go up ^^^ in the top black bar and read the entire Cadillac Technical Archive.

  8. #7
    basscatt's Avatar
    basscatt is offline Cadillac Owners 10000+ Posts
    Automobile(s): 89 Coupe DeVille, 95 Sedan DeVille, 03 SLS, two 02 DHS's
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    Re: Need help with 2002 Deville electrical

    also check the fuses under the hood -

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