GM Truck Club
Founded in 2004 ~ We're the #1 Chevy Truck & SUV Forum.
Silverado & Sierra | Tahoe & Yukon | Suburban & Yukon XL | SUV & CROSSOVER
Results 1 to 5 of 5
  1. #1

    Default 2012 Silverado Alarm Going Off for No Reason

    Hi everyone. New to the forum and tried to search for info on this, but came up empty-handed. I just got a new Silverado 1500 LTZ and have started having an issue where the alarm will go off after about 30 seconds for apparently no reason after I lock the truck. It didn't do this for the first 24 hours I had the truck, but in the past couple of days I have had the bed sprayed and the front end leveled. I wasn't sure if either of these could be a contributing factor, but I don't see how. If anyone has any insight into what could be causing this I would really appreciate it.

  2. #2

    Join Date
    Feb 2008
    Red Wing, Minnesota, United States


    Use the warranty and take it in make the dealership troubleshoot it
    99 K1500 Suburban LT "THE BEAST"
    Hypertech III, K&N, true dual

  3. #3

    Enkeiavalanche's Avatar
    Join Date
    Apr 2010
    Piermont,NY, back in Northern NJ now, But may be in IL soon....


    The only things I can think of is a Ground wire coming off when they did one of those things.. But as said above Bring it back and let the dealer look..
    08 Z71 Avalanche Mods to date: K&N CAI,Hellwig Swaybars and End Links, Corsa Sport Exhaust, Superchips Programer,IPCW LOF & 3rd brake light and tails, AMI Gas door,Show Hooks and Door locks, Enkei Wheels, with Pirelli tires, StreetScene Bowties, Grant Steering wheel,Muth signal mirrors,SSBC Big Brake kit,Huskyliner Mug gards,Floor mats and Hood shield, McGard Lug nuts and locks, Bedrug, Cervini's Ram Air hood,35watt HID Fog lights, Sylvania bulbs all around ZXE's Highs and Lows, WhiteNight Back up lights,Sirius and HD Radio, SnugTop sitting on deck now Got a Softopper on now,Tempress Boat Hatches.... New Bilstein shocks are on... New Mods coming soon..... X

  4. #4


    Do NNBS Truck factory alarms have level sensors?? I've never heard of it before, but just a thought. Also, maybe a door/hood switch triggering it?

    "If you're not living life on the edge, You're taking up too much space"

    "Truck Norris"
    - 2008 TX Edition Silverado
    - McGaughy's 4/5 Drop Kit
    - Apline Type R 10s & Amp
    - Pioneer 6 Disc Touchscreen Deck
    - Nightmare Breed Motorsports custom tune
    - Custom 3" dual exhaust through x-pipe dumped at axle
    - Airaid CAI
    - Badges and molding removed, roll pan, Truxedo roll-up cover (compliments of GMTC!), 3pc billet grille, factory fogs upgrade
    "Kristine" - 1991 Nissan 240sx
    - Cut to pieces, LS build pending

  5. #5


    Mine does have a level sensor in the alarm. I have been manually disarming it when I set it and it has solved the problem, but I would prefer to not have to do it every time I get out.

Similar Threads

  1. Any reason I should not switch to E85?
    By Schaub in forum Performance & Fuel
    Replies: 45
    Last: 06-29-2013, 05:51 PM
  2. Tail lights come on for no reason - 2005 Silverado 2500HD
    By rtc830 in forum Chevy Silverado Forum (GMC Sierra)
    Replies: 4
    Last: 04-27-2012, 09:55 AM
  3. Replies: 0
    Last: 12-23-2009, 06:30 AM
  4. 2003 Tahoe Alarm goes off for no reason
    By bc0508 in forum Chevy Tahoe Forum (GMC Yukon, Cadillac Escalade)
    Replies: 2
    Last: 08-26-2009, 12:07 PM
  5. The reason why we bought our Yukon XL....
    By Stargazer in forum The Coffee Shop ~ Chit Chat
    Replies: 14
    Last: 12-07-2008, 10:38 PM

Tags for this Thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts