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**shambles** · 06-24-2023, 11:52 PM

Hello,

I recently acquired a 1999 Silverado Z71. The Security Light Flashes on the Message center when I open the door. Once I start the truck the light goes out. I tried the "re-learning" process...turn the truck on (but don't start) and let it set for 10-15 minutes, but the light still flashes. It still starts and runs fine.

Also the key fob doesn't unlock the Driver door, just the passenger door. I thought Maybe the button cell battery in the key fob was dead, so I replaced it. But didn't fix that issue. I have to use the key to unlock the driver door.

Any suggestions on what is causing the Security Light to flash?

06-24-2023, 11:52 PM	#1
shambles Junior Member Join Date: Jul 2010 Location: Goodyear, AZ Posts: 55	Security Light Flashing on Message Center Hello, I recently acquired a 1999 Silverado Z71. The Security Light Flashes on the Message center when I open the door. Once I start the truck the light goes out. I tried the "re-learning" process...turn the truck on (but don't start) and let it set for 10-15 minutes, but the light still flashes. It still starts and runs fine. Also the key fob doesn't unlock the Driver door, just the passenger door. I thought Maybe the button cell battery in the key fob was dead, so I replaced it. But didn't fix that issue. I have to use the key to unlock the driver door. Any suggestions on what is causing the Security Light to flash?