eg30.06
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have a 99 Denali that has alarm issues. Alarm goes off every time you open the door with ot unlocked. Cycle the key and it stops.. PO pulled the horn fuse, now I know why!
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Just programmed the new key fob and it works but still have the same issue with the alarm.
That's how these guys work lol. There's also a mode where the system will arm whether you lock the doors or not, so you may need to change the BCM programming to disable that.
Awesome thanks for all the information, it worked perfectly. Curious though, after disconnecting the battery do it go back to factory settings?