Question about 2000 Cadillac Catera

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2000 catera radio stopped working

Radio was cutting out for several months then stopped working, trunk release, gas tank door will not work, every thing else on that panel works fine

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  • Anonymous Nov 07, 2008

    The exact same thing just happened to my car. I have no idea whats going on but upon a first look at the fuses it doesn't seem any are burnt out or broken. Its quiet a big problem considering you can't fill up your gas tank because the fuel door wont open!

  • huntngather Dec 20, 2008

    I have the same problem too. Somedays it works intermitently snd, then it may not work for two weeks.

  • Chrissy Sauder
    Chrissy Sauder Mar 04, 2014

    This is caused by the relay box in your fuse panel. It gets hot and melts the solder on the circuit board. You can have it resoldered or replace the box. I have resoldered my circuit board and drilled holes in the encasement box. I have not had a problem since.

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HAD the same problem and it turned out to be the battery even though all system (i.e. charging, alternator, etc.) were good. Noticed the voltage meter would dip while driving then show a charge when first starting. Bottom line is battery was not holding the proper charge whiel running due to a short in the battery. New battery seems to have taken care of the problem... oh make sure the terminals are really clean.

Posted on Dec 15, 2008

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  • cdinhb Feb 13, 2009

    You'll note the radio fuse is also a battey guard fuse... not sure what this means or does but they are related. The new battery took card of the battery BUT... it came back. After thinking this thru I also noted I did not replace the battery cover, it was falling apart. I'm begining to wonder if the negative terminal is shorting out to the car because its not covered per the factory install. So, I'm getting a new cover. OH... one more item... read your maunal (Section 6) about what to do when you replace a battery, you need to leave your ignition on (engine not running) for 3-4 minutes to reset things.

  • cdinhb Dec 01, 2009

    finally figured out the radio problem. There is a wire that runs from the radio into the drivers door, then to a switch. My problem was the wire has been rubbing all these years which caused the insulation to wear and expose the wire. Hence the wire would short out occasionally which effected the radio, trunk and fuel door. I also replaced the switch, which deactivates the radio when the door opens, since I was already there and wasn't sure if the switch was a really OK. Also found out my alternator was putting out low voltage but good enough to pass test.

  • cdinhb Dec 18, 2009

    Like to add that the switch I mentioned is the door jam switch, located in the front jam, by the door hinges. It took about 5 hours to follow the wire from the radio to the probelm section. I can safely says, repairing the wire and replacing the switch, I have not had any problems for the last 2 weeks... all is fine.

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If u didnt figure it out yet. Its the k134 relay, dealer only part

Posted on Nov 25, 2012

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1 Answer

Cant open gas door


Fuel door and trunk issues? How about no fog lights and your radio randomly turning off. If you have any of these issues it is the k134 multifunction relay. It controls all of the above.

Jun 04, 2012 | 2000 Cadillac Catera

5 Answers

2001 Cadillac Catera has a problem with fuel tank door not working intermittingly and radio not playing intermittingly


Fuel tank door is connected by cable to switch the cable must be worn out please check the cable which is connected gas tank lid and for the radio please check wiring of the radio there must be wiring fault in your car ,,,,,,,

Jul 01, 2008 | 2001 Cadillac Catera

3 Answers

My 2000 cadillaC catera radio dont play, trunk won't open as well as fuel door wont open. What to do?


Its the K134 Multifunction Module. Its located under the drivers side dashbaord...

Mar 23, 2011 | 2001 Cadillac Catera

3 Answers

My radio, trunk and fuel door all work sometimes. Where is the Multifunction relay? I believe the part# 90494163 It is a 2000 Catera Cadillac. Thanks


K134 Multifunction relay is under the dash on the driver side. When sitting in driver seat, above your left ankle, it is located behind a cardboard panel. Replacing cures many problems with the Bose radio, sunroof, gas and trunk releases, fog lights.

Oct 28, 2010 | 2000 Cadillac Catera

2 Answers

Just bought a 1999 Cadillac catera from the auction, both the buttons on the dash and remote are not able open the trunk and gas door. The radio is not working also. When I turn on the car, the light shows...


Just bought a 1999 Cadillac catera and i have a problem??
, both the buttons on the dash and remote are not able open the trunk and gas door. The radio is not working also.
What can I do?

Aug 14, 2009 | 1999 Cadillac Catera

1 Answer

Radio, trunk and gas door do not work


Check all fuses both inside the car and under the hood. Consult the owners manual for the location of the fuse boxes.

Otherwise, have a mechanic troubleshoot the cars electrical system.

Aug 14, 2009 | 1999 Cadillac Catera

2 Answers

Trunk release dont work


Body computer is defective.
Should affect radio and gas cap relase as well.

Jun 16, 2009 | 2000 Cadillac Catera

4 Answers

Gas tank won't open, trunk won't open, radio stopped working, left tail lamp won't work


It's the body control module. It's located under the dash to the left of the steering column. I had same problem, went to the junk yard and bought one and the problem went away. Dealer wants $600.00-700.00 for the BCM, I paid $30.00

May 30, 2009 | 2001 Cadillac Catera

4 Answers

I have a 2000 cadillac catera my radio, maplight, high beam light, heated seats, and onstar does not work when I start the engine. when I turn it off they work until I open the door. PLEASE HELP


Did you recently have a loss of power to the car? change the battery? if so, you need to reset your system. My husband and I just figured this out this weekend. His sunroof hasn't worked in two years and it turns out you have to reset all the power options in the car. Google 2000 cadillac catera %calibrate ETC% loss of power, you'll find the step by step instructions for recalibrating the car's computer and resetting the power options

Mar 15, 2009 | 2000 Cadillac Catera

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