Key prob - Pontiac GTO Forum
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post #1 of 14 (permalink) Old 03-30-2008, 10:47 PM Thread Starter
 
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Key prob

Hi all. I went to get into my car today and the key transmitter would not open the car/disengage the alarm. I tried over and over, then went in to get the spare key and got the same results. Eventually it worked and now seems fine. Very strange that it would be intermittent. A computer malfunction? Obviously it's not the key. Has anyone had similar problems with their keys?
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post #2 of 14 (permalink) Old 03-31-2008, 07:28 AM
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Mine did the same thing along with my trunk not opening with the key. It was intermittently working on both key fobs. In my case it was the BCM (Body Control Module) that was on its way out.

Other's who have had problems have had their door actuator replaced.

The BCM is located up under the dash behind the glove box. If you need a new BCM you'll need your key codes. Your dealer can get them for you, but you can save time by having them ready.

IF it is your BCM, and it is replaced, make sure you get the NEW BCM key code. The old one will be outdated. All the other codes should remain the same. You will also get 2 new key fobs.

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post #3 of 14 (permalink) Old 03-31-2008, 09:37 AM
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Do you buy the BCM`s from the dealer? Or are aftermarket sources providing them?
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post #4 of 14 (permalink) Old 03-31-2008, 10:02 AM
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Mine was replaced under warranty.....

I would think this would be a Pontiac only part being there are GM key codes programmed in it to power other functions.

I was told the PCM was a 500.00 part, I don't know the cost of a BCM.

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post #5 of 14 (permalink) Old 03-31-2008, 10:33 AM
 
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My key fob acts up from time to time as well. I'd hit the unlock button and get no response no matter how close I am to the car or how hard I'd press it. You can just open up the door w/ the key since the alarm will stop as soon as you start the car.
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post #6 of 14 (permalink) Old 03-31-2008, 12:26 PM
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I'd get your BCM checked if its under warranty...... that could be an expensive part. If the BCM is acting up..... one day it may quit all together.

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post #7 of 14 (permalink) Old 04-08-2008, 06:20 AM
 
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mine will respond in a similar matter if i have other keys near the key to unlock or lock. no matter how close or far. it's been like that from day one.
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post #8 of 14 (permalink) Old 04-08-2008, 07:20 AM
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My remote won't work unless I am pretty close to the car. Maybe 20ft or so with no obstruction.

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post #9 of 14 (permalink) Old 04-08-2008, 09:35 AM
 
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Originally Posted by GTO JUDGE View Post
My remote won't work unless I am pretty close to the car. Maybe 20ft or so with no obstruction.
Yeh, me too. 20 ft? How about 10 feet or less? It has been that way since I got it.
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post #10 of 14 (permalink) Old 04-08-2008, 10:28 AM
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I never measured the distance but it isn't very far.

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