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post #1 of 5 (permalink) Old 02-03-2016, 10:42 AM Thread Starter
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Chevy Cobalt Door Locks

My 2010 Chevy Cobalt when the car was warming up, the doors automatically locked themselves. Couldn't find my spare set of keys, so initiated a call to my road side assistance. While I was waiting, I went outside and they unlocked by themselves automatically. As I drove to work, the button will not lock or unlock my car now. I have to manually lock all my doors and use the key to unlock the car.

???? What could possibly be the issues? FYI, both of my remote keys have stopped working for sometime already. But the doors locking and locking by themselves, what is going on?
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post #2 of 5 (permalink) Old 02-03-2016, 11:11 AM
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Could be that you got water condensation (and corrosion) in your door lock switch. It happened to me, both switches were rendered useless. It's very simple to pop them out and replace them. Found my switches at a scrap yard for cheap.

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post #3 of 5 (permalink) Old 02-03-2016, 12:32 PM Thread Starter
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Thank you for your response. I know nothing about cars except they are expensive to maintain. So it isn't an expensive motor like when the electronic windows stop working? And why would both of my remotes keys stop working? And referring to your answer, the doors unlocking and locking by themselves is related to the switches in the doors themselves? Just trying to figure out if this is going to cost me tons of money going to my mechanic.
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post #4 of 5 (permalink) Old 02-03-2016, 12:54 PM
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No, it's just a simple switch. Not saying that's 100% your problem, but it may be a good place to start looking. The seemingly random locking/unlocking can be the switch making contact and quickly loosing it from corrosion or a loose connection. Key fobs failing sound unrelated, both of mine crapped out too.

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post #5 of 5 (permalink) Old 02-03-2016, 12:59 PM
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FOBs eventually wear out, not that expensive to repair. I repair 80 a month.

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