Question about 2008 Chevrolet Cobalt
Will not unlock doors
Posted by Anonymous on
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Posted on Jan 02, 2017
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
Start with the basics. Check the fuses (all of them) with a test light and be sure you have power to each and that they are good. Then be sure that the power lock relay is good by swapping it with another relay in the fuse block. If the fuses are good and the relay is swapped and the locks still aren't functioning, you may have an issue with the BCM. The BCM can be programmed to change the behavior, but if the car has had water damage, or other stress to the BCM (voltage, heat, etc.), it can sometimes damage the BCM and you will need to replace it and reprogram it at a GM dealership.
Posted on Jul 25, 2009
Could be a problem in the shiftier. Your car doors lock automatically when you put the car in drive. They unlock when you put the car in park. The switch located in the shiftier can go bad causing the locks to randomly lock and unlock. Also, this can cause the key to get stuck in the ignition.
Posted on Nov 10, 2009
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