2007 Mazda3 i Touring Doors Unlock by Themselves
 

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I have the EXACT same problem with my mazda. It just started yesterday. I called the dealer and they said my 5 year extended warranty just ran out 3 month ago :mad:. Did you find the problem with yours? Mine does the unlocking thing and making the interior lights come on. I had to pull the door lock fuse just to make it stop but now I drive the car with the interior lights on. Please let me know. Thanks

I just fixed my problem. It was the bcm. I was able to fix the old one. I took it apart, cleaned with baking soda and windex (does not contain phosphates) and got all the corrosion off. Put it back in the car and EVERYTHING works like it was before. Just saved $280 for the part :D If yours does it again I would suggest doing this...How to Clean a Circuit Board With Baking Soda | eHow.com Worked perfect!!