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Chevy Aveo Factory Alarm Issues

17 messages,  Last post on Jun 19, 2009 at 1:14 PM

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#1 of 17 Chevy Aveo Factory Alarm Issues by scy80 Jul 22, 2008 (12:10 pm)
First of all, let me start off by saying that I have loved my little white roller skate - I mean Aveo - since the day I bought it. My only issue with it just recently started. I have a 2004 LS and have always locked my car using the remote. Two weeks ago I noticed that I didn't get my customary "honk" when I pressed the button. The doors locked, but the alarm didn't engage, so I know it's not necessarily the remote battery going bad, but just in case I replaced it. Still no fix. I continued to lock it with the remote anyways.   Earlier this week when I went to lock it, lo and behold it honked, then the alarm went off. I unlocked the doors and the alarm turned off. I put the key in the ignition to keep the doors from automatically locking again and then when I got out I locked the doors manually. I have since then continued to use my remote most of the time to lock the doors, occassionally the alarm engages (and 60% of the time the alarm will go off anywhere from immediately after locked to 15 mins later) and I notice that the indicator light on the dash is blinking larger and brighter than normal. More often then not, the doors only lock, no alarm activation or dash indicator light.   Has anyone else had this problem? If so, how did you fix it? I'm open to suggestions. Replies to this message: libbyloo (Aug 05, 2008 6:55 pm) 04aveoproblems (Jun 19, 2009 1:14 pm)
#2 of 17 Re: Chevy Aveo Factory Alarm Issues [scy80] by libbyloo Aug 05, 2008 (6:55 pm)
Replying to: scy80 (Jul 22, 2008 12:10 pm) My Hot Wheels..well Aveo is doing the exact same thing. It went about 3 weeks ago. Of course my warranty is up so i havent taken it into the dealership. I called the hotline number to see what they could do for me and if it would be covered at all but i was given no help there. I read through the manual and it says that instead of using the lock button on your key you can just lock the door manually by putting the key in the door. So far it works. it's my first day trying it out and my alarm has yet to go off.   Let me know if you've heard anything different
#3 of 17 Same problem here!! by partylite Aug 07, 2008 (11:39 am)
I have had this same problem with my 05 Aveo. I have brought it into the shop on 2 occasions and they claim there is a short someplace and they can't find it. If you lock it manually with the key it works ok.   Mine goes off during cold weather and wet weather. My neighbors just love to hear the sound of my car alarm all night in the winter...UGH   Good luck!!
#4 of 17 by xerox135 Aug 07, 2008 (2:53 pm)
I have the shop manual if you want the pages of wiring
#5 of 17 Aveo alarm issues by muggelberg Sep 17, 2008 (2:56 pm)
I have an 05 aveo and the alarm just goes off for no reason.... In the middle of the day or night.... At first we thought it was loud noise or a bump against it.. but that's not it. We unlocked it yesterday, and the next thing I know it locked itself(with the birdy chirp) I'm guessing it's a short somewhere....   Anyone with help???   Thanks Bill . .   Replies to this message: demoman1 (Sep 20, 2008 6:22 am)
#6 of 17 Re: Aveo alarm issues [muggelberg] by demoman1 Sep 20, 2008 (6:22 am)
Replying to: muggelberg (Sep 17, 2008 2:56 pm) That chirp sound is the alarm reseting it's self. It is normal to do this, in case you forget to lock the car. Notice the doors locking also.
#7 of 17 by srs5694 Sep 20, 2008 (9:37 am)
According to the manual for my '08 Aveo, on cars with the factory alarm, the doors lock themselves after you unlock them under certain circumstances. IIRC, "certain circumstances" are if you don't insert the key into the ignition within 30 seconds, but I might not be remembering correctly. Check your manual -- but note that the Aveo's advanced computer-controlled features seem to be documented about as accurately as most computer equipment (that is, not very well). For instance, my manual talks about the stereo playing MP3 files with .m3u extensions, but this is inaccurate; the stereo wants to see .mp3 extensions, and it seems to ignore .m3u files.
#8 of 17 any solutions by johnsob Nov 25, 2008 (6:14 pm)
i have the same problem when its cold. Replies to this message: peter58 (Feb 02, 2009 4:59 pm) victor_aveo (Mar 26, 2009 11:32 am)
#9 of 17 Re: any solutions [johnsob] by peter58 Feb 02, 2009 (4:59 pm)
Replying to: johnsob (Nov 25, 2008 6:14 pm) Today I took my 2004 Aveo in for it's 40,000km service and mentioned to the technician that I was still experiencing problems with the alarm, it would go off for no reason as it has been doing for the past 5years and today when I locked the door remotely there was no sound. He immediately said it could be the hood actuator. being the eternal skeptic I left if with them and they confirmed that the hood actuator was too short and was not making correct contact with the switch and the ALARM did go off when they were testing this actuator..hallelujah Replies to this message: victor_aveo (Mar 26, 2009 11:32 am)
#10 of 17 Re: any solutions [peter58] by victor_aveo Mar 26, 2009 (11:32 am)
Replying to: peter58 (Feb 02, 2009 4:59 pm) I recently purchased a 2004 aveo. The former owner said the anti-theft system stopped working about a year ago. Autozone's website had the schematics, this forum warned of hood switch problems. The hood sensor is the only sensor not tied into the 'door ajar' light and tied directly into the anti-theft system. It was highly suspect as the culprit. It is mounted in front of the radiator on the driver's side of the hood latch. The switch felt like it had sand in it when pressed down. Looking thought the grill you can see that the wire harness can disconnect from the sensor. Upon disconnecting it the switch crumbled in my fingers. I made a jumper of wire and put it into the wire harness connector, closing the circuit, wrapped it with electrical tape and taped this to the frame for easy retrieval. The security system now works just fine, but of course isn't protecting hood access. I will see how steep the replacement hood tamper switch is at the dealership.   So nice to get that pleasant chirping noise!

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