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2005 Chevy Cobalt. The security light on the dash,

2005 Chevy Cobalt. When starting the car lights on dash goes through its sequenceat the end there are three dings (bell noise) and the security light on the dash stays on.

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: 2005 chevy cobalt

I had the same problem. Have it checked at an checkers with one of their computers. I had a multi misfiring. I changed the ignition module on it. It runs great now.

Posted on Dec 03, 2008

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SOURCE: 2006 chevy cobalt woulnt start lock light is on

Are you using the original key that came with the car? The chip in that key may have gone bad. Try using the spare key that should have come with the purchase of the car. You may also be having battery issues. If all else fails....call the people who really know how to rape you...DUM Dum dummmmm....the dealer

Posted on Dec 31, 2008

nissan_nut89
  • 1 Answer

SOURCE: 2006 chevy cobalt woulnt start lock light is on

i think the wheel is locked up, all you have to do is try to turn the wheel while you crank

Posted on Dec 31, 2008

BelgianAlien
  • 50 Answers

SOURCE: my 2005 chevy cobalt factory radio is locked

There are only 2 things you can try to fix this yourself: turn off the engine and open the driver side door (to turn the radio off). Wait 5 minutes, start your car.
If that does not solve it, turn off your engine, disconnect the car battery, wait about 5 minutes. Reconnect the battery (negative pole first - black connector) and try your radio again.

If neither one of these two fix your problem, I am afraid only a GM service center or dealership can fix the problem. The Cobalt is notorious for all kinds of electrical issues.

Thanks for using the fixya forums!

Posted on Mar 28, 2009

  • 462 Answers

SOURCE: no lights

check the park lamp relay and the body control module for possible causes. the body control module controls both systems.

Posted on May 22, 2009

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2005 Chevy Cobalt Security LIght and Won't Start


Have you tried to do a hard reset? Disconnect your battery for 24 hours. And try it again. This will usually fix a lot of computer malfunctions. Good luck.

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do you have another key you can try? this is security system there is a problem in ignition switch possibly try another key see if it starts with that or leave key on for ten minutes see if light goes out if this will relearn key to vehicle.

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I have a 2005 chevy cobalt; went to start it this morning all the dash board lights, radio etc come on but it just clicks to turn over...help!


Hi either a poor battery or the starter motor has jammed.

Is it auto or manual? Please let me know and I will tell you how to fix it.

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disconecting the battery should reset the pcm. but you will need to find out what caused the problems.

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2005 Chevy Cobalt lights turn off


automatic headlights are controlled by a photo sensor on the dash located in front of the Instrument cluster. to test the sensor try covering it and see if the headlights come on. faulty wiring in the circuit could also cause this problem. the headlights and the radio are wired together and the "auto" function will cause the radio to get brighter when its dark out, thus the combination of problems.

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Why does reduce engine power light comes on chevy


That is a hard problem to pin point without knowing what codes the computer has stored. It can be any number or sensors or engine problems.

You can go to most auto parts stores and they will pull the codes for you for free.

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No lights


check the park lamp relay and the body control module for possible causes. the body control module controls both systems.

Apr 21, 2009 | 2005 Chevrolet Cobalt

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2005 Chevy Cobalt, how do you reset a fault code?


Your car has a OBD2 hook up under the dash somewhere on the drivers side, You have to have a computer to hook up to that ODB plug and reset it, If you live near a Autozone they will clear the code for you for free, One other thing you try is disconnecting your battery for about 30 mins, that works on alot cars to reset the check light.

Mar 20, 2009 | 2005 Chevrolet Cobalt

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