ALARM GOES OFF EVERY TIME DOOR IS OPENED FOR A COUPLE MINUTES

2000 Cadillac Catera

Tiny

Sasha0913

October, 1, 2012 AT 5:52 AM

Starts and drives fine. I have no factory remote. Tried turning key in door and leaving key in ignition. Doesn't help. No codes in system.

FOUND 2085 RELATED QUESTIONS

Rear Door

9 ANSWERS
19 IMAGES

6 Answers

Tiny

ASEMaster6371

October, 1, 2012 AT 11:04 AM

Factory or aftermarket?

Roy

Tiny

KHLow2008

October, 1, 2012 AT 11:04 AM

Check the driver door switch. It could be faulty and the security system is not recognising that the switch has been unlocked.

By the way if you had used a code reader, you might not see any trouble codes. Only scan tools capable of reading Body Control Module trouble codes would work.

Tiny

Sasha0913

October, 1, 2012 AT 5:38 PM

@Roy ---- All factory

@khlow ---- I will try the door switch.

Tiny

KHLow2008

October, 1, 2012 AT 6:12 PM

The door switch I meant is the one inside door panel whereby when key is used to unlock, it would send a signal to the BCM to deactivate the security system.

Tiny

Sasha0913

October, 2, 2012 AT 8:45 PM

I checked all the connections inside door panel. All seem good. How would I check the door switch if it's faulty or not

Also the car has no brake lights and feels like it has no power brakes.

Tiny

KHLow2008

October, 2, 2012 AT 11:22 PM

No brakes lights could be due to a blown fuse underhood and this fuse is also linked to the security system.

You must use a multimeter to test the switch for continuity in order to understand if it is faulty.

Heavy brake pedal effort could mean a bad brake booster or insufficient vacuum boost due to a leaking or clogged hose.

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