2000 Catera Trunk and Gas door problem
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Cadillac Catera and Cimarron Forum Discussion, 2000 Catera Trunk and Gas door problem in Past Cadillac Vehicle Discussion; Hi Guys, Need some help here....I'm having an issue with the trunk and fuel door release. It will not respond ...
  1. #1
    retho78 is offline Cadillac Owners Connoisseur
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    Smile2000 Catera Trunk and Gas door problem

    Hi Guys,


    Need some help here....I'm having an issue with the trunk and fuel door release. It will not respond to the buttons from inside and also from the remote. On certain days everything works fine. What could be the problem?



    Your help is appreciated!!!


    Thank you.


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  3. #2
    cateraowner is offline Cadillac Owners Fanatic
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    Re: 2000 Catera Trunk and Gas door problem

    most likely it's the multi-function modual. tonnes of people here have had this problem. radio,trunk and gas lid are all controlled by that modual.

  4. #3
    retho78 is offline Cadillac Owners Connoisseur
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    SmileRe: 2000 Catera Trunk and Gas door problem

    where is it located and do you know how much it would cost?

  5. #4
    retho78 is offline Cadillac Owners Connoisseur
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    SmileRe: 2000 Catera Trunk and Gas door problem

    Hi,

    Does anybody know the part number for the multifunction module?


    Thank you

  6. #5
    disisjc is offline Cadillac Owners Member
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    Re: 2000 Catera Trunk and Gas door problem

    90494163

  7. #6
    johndominics is offline Cadillac Owners Member
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    Re: 2000 Catera Trunk and Gas door problem

    The multi function module just needs to have the pins on the relay resoldered. They seem to be poorly connected. I soldered the pins and also soldered a wire to the end of the appropriate pins on the back of the circuit board. Finally solved this neusance forever.

  8. #7
    Greg_Zeboray is offline Cadillac Owners Member
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    Re: 2000 Catera Trunk and Gas door problem

    I have the same issue only mine includes the radio. I have determined tha the battery needs a charge. Everytime it happens I charge the batteery over night and everything works great.

  9. #8
    MoistCabbage's Avatar
    MoistCabbage is offline Cadillac Owners 10000+ Posts
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    Your alternator charges the battery. If it needs periodic charging, either the alternator is bad, cables are corroded, or the battery is defective.

  10. #9
    jjportia's Avatar
    jjportia is offline Cadillac Owners Member
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    Could be an alternator problem or solder joint issue. The cable does corrode inside the casing causing a low voltage issue, this may also cause other electrical issues. I would also look at the solder joints of the relay. I had a turn signal issue, and finding a new one is like trying to find hens teeth! I accidentally found the solder joints bad, re-soldered them and no more issues! This forum can be a helpful place, just check ALL the threads you can as well as internet info and you can be very happy with your Catera!

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