Question about Chevrolet Cobalt
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Posted on Jan 02, 2017
Never saw a charging system problem cause anyone to fail inspection. But, overcharging will cook the water out of your battery and can damage the computer system if not taken care of. Overcharge can be caused by either a grounded alternator field wire or a bad regulator. Since the condition appeared after replacing the alternator it too is suspect as an internal grounding can also cause that.
Posted on Jul 20, 2009
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.
Posted on Mar 20, 2009
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
Did you get gas shortly before the light came on? It's not uncommon for a loose gas cap to set this code. Take the cap off and look at the seal. If it's cracked replace it with a new OEM cap. If not, reinstall it and make sure it's on all the way. Then you can clear the code and see if it comes back.
Posted on Jul 24, 2010
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