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2002 GMC Yukon security light

Tiny
BLACKBIRD97
  • MEMBER
  • 2002 GMC YUKON
  • V8
  • 4WD
  • AUTOMATIC
  • 92,000 MILES
I noticed that my security light came on and my door locks quit working. Car turned off the security light doesn't flash anymore just stays on solid. Locked or unlocked when the door is opened the factory alarm goes off. I have switched relays around bought new ones and nothing. Still doesn't lock or unlock. What to do now? The only thing I can think of is taking it to the dealer.
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Wednesday, September 8th, 2010 AT 9:39 PM

4 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Hi BLACKBIRD97, Welcome to 2carpros and TY for the donation

You need to bring it in and have the theft detterent module and body control module checked thoroughly this is where you concerned problems are coming from
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Saturday, September 11th, 2010 AT 6:55 PM
Tiny
BLACKBIRD97
  • MEMBER
  • 4 POSTS
I will try that and see if that works. Thank you for your response. If I have further?S or problems how can I get you to answer them?
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Saturday, September 11th, 2010 AT 8:43 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Repost back in this thread-don't make a new one TY
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Saturday, September 11th, 2010 AT 9:04 PM
Tiny
BLACKBIRD97
  • MEMBER
  • 4 POSTS
OK THANK YOU
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Saturday, September 11th, 2010 AT 9:26 PM

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