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Username Post: 1999 Silverado - "security" light stays on        (Topic#238461)
Gotechslack 
Forum Newbie
Posts: 5

Reg: 02-01-10
03-23-10 12:59 PM - Post#1885412    

Hello. I have the stated truck. The "Security" message came on while driving the other day. When I turned off the truck and started it, the message went off. This happens periodically, but not all the time. It can go days without coming on. Any ideas? Thanks.


 
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rodram 
Contributor
Posts: 378

Loc: Saskatoon, CANADA
Reg: 04-14-09
03-23-10 01:12 PM - Post#1885424    
    In response to Gotechslack

it is possible that the security light is coming on because the security system is detecting something unexpected in your ignition key cylinder ....

that may sound wild to you, but I had this issue with my '02 Impala ... and someone convinced me that the issue would be worse if my key ring was big and heavy with a ton of other keys swinging away as you drive... this causes the issue in the key cylinder

if you normally use a big heavy key ring, then try driving with a light key ring ... only 1 or 2 keys on it... and see if that makes any difference ... it did for me..


 
Gotechslack 
Forum Newbie
Posts: 5

Reg: 02-01-10
03-24-10 07:48 AM - Post#1885930    
    In response to rodram

I do have a big key ring. I'll try it. Thanks!!!

 
rodram 
Contributor
Posts: 378

Loc: Saskatoon, CANADA
Reg: 04-14-09
03-24-10 12:34 PM - Post#1886060    
    In response to Gotechslack

if the damage in the key cylinder is already done ... the lighter key ring may help, but maybe not totally eliminate the security light issue

Good Luck


 
Bad Bowtie 
Valued Contributor
Posts: 4559
Bad Bowtie
Age: 42
Loc: TX
Reg: 07-04-03
03-24-10 12:49 PM - Post#1886075    
    In response to rodram

Try blowing out the lock cylinder with some of that computer (bottled air) cleaner too...
GMC. We are Professional Grade.

http://www.cardomain.com/id/2004VHO


 
Gotechslack 
Forum Newbie
Posts: 5

Reg: 02-01-10
03-25-10 12:58 PM - Post#1886671    
    In response to rodram

  • rodram Said:
if the damage in the key cylinder is already done ... the lighter key ring may help, but maybe not totally eliminate the security light issue

Good Luck




Just bought the truck last month. I lightened my key ring. Hasn't come on yet. Got my fingers crossed. Thanks for your help.

 
Gotechslack 
Forum Newbie
Posts: 5

Reg: 02-01-10
03-25-10 12:59 PM - Post#1886672    
    In response to Bad Bowtie

  • Bad Bowtie Said:
Try blowing out the lock cylinder with some of that computer (bottled air) cleaner too...



Will do. Thanks.

 
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