Question about 2001 Cadillac Catera

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Wiring diagram for cadillac catera 2001 need to download free diagram radio and stero shut off occasionally which also locks trunk and fuel door

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It is the BCM (Body control module). The radio is married to it via the serial number. You need to replace the module (lower right kick area, pass side in front of front door, behind plastic...aluminum box), and have it programmed to your car through a Tech 2 diag system.....dealer...this unit controls just about everything apart from the brakes, engine and tranny which all have their own computer. You probably have issues with the sun roof if you have this option.

Posted on Aug 18, 2009

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Car will not stay cracked, comes on ture right off. i have changed the fuel pump already

Posted on Aug 01, 2009

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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

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 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

2001 cadillac catera. radio, trunk release, and gas cover release are intermittent and go out at the same time. is this a fuse issue or a wiring or relay problem that might need to go to a mechanic?


The problem is with the body computer; my wifes 01 lost the fuel door, trunk lid, radio, clock and sunroof functions intermittently, but all at the same time. It became really annoying reaching through the back seat into the trunk to open the trunk.

I installed a used 99' body computer, took it to the dealer, reprogrammed the computer to accept the existing radio (when you switch the computer, the radio; Bose, will be locked out) because it's married to the car through the body computer. This is the security system used to protect theft of the radio.
If you remove the radio from one car and install in to another, the radio will lock out. You need a tech II scanner to program the computer.
Dealer charged me $120 for labour which is minimum 1 hour shop time. Actual programming took only 10 minutes. That's why GM is doing so well on the car market. I have no pity for them.

Sep 23, 2009 | 2001 Cadillac Catera

1 Answer

Similar problem and I need to find a free wiring diagram


Change body computer (buy a used one).
Get it programmed by dealer because radio will be locked out.

Jul 16, 2009 | 2001 Cadillac Catera

1 Answer

1999 cadillac catera - the radio works sometimes and when it does not work the trunk and gas door will not work what could be causing this


most likely all three are on the same fuse try replacing the fuse if still doing same thing then you may have a short in the fuse box

Jul 09, 2009 | 2001 Cadillac Catera

1 Answer

Radio, fuel door, trunk intermittently work and suddenly dont work


The body computer is defective. Buy a used one, have dealer program it.

Jun 18, 2009 | 2001 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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