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Ask Don 'Mo Lurch' Your Own Que...
Don 'Mo Lurch'
Don 'Mo Lurch', Auto Mech / Electronics
Category: Chevy
Satisfied Customers: 20855
Experience:  Chevrolet Cert., Heavy Line Mech, Race Shop Owner, Mobile Electronics.
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I have a 2005 Chevrolet Cobalt LS coupe that is locking and

Customer Question

I have a 2005 Chevrolet Cobalt LS coupe that is "locking and unlocking" its doors on it's own. I have pulled the power door lock fuse and it is still happening. I would like to disable the Remote keyless entry but I am unsure which fuse to pull. Suggestions?
Submitted: 7 years ago.
Category: Chevy
Expert:  Don 'Mo Lurch' replied 7 years ago.


Right side of console is the BCM / Fuse / Relay center


Remove Fuse # XXXXX
Otherwise the BCM needs to be tested for function control, as the relays are built into it & something is triggering the Door Locks, like a Door Switch, Key signal, etc.



Edited by Lurch on 3/13/2010 at 5:46 PM EST
Customer: replied 7 years ago.
I had already pulled that fuse. Is there a use that controls the bdm and if so, what functions will i lose if i pull it? The objective is to limp through the weekend until i can get it to the shop on Monday
Expert:  Don 'Mo Lurch' replied 7 years ago.


You cannot disable the BCM..........
Car will not start, run or components will not operate

You need to determine the cause & use of Dealer Scan tool is the best way
Power to Door Locks is supplied thru Fuse & operation is supplied thru BCM



Don 'Mo Lurch' and other Chevy Specialists are ready to help you
Customer: replied 7 years ago.

Is there more than one BCM and can I buy a replacement at the local Auto parts store?


Expert:  Don 'Mo Lurch' replied 7 years ago.


One BCM & some Auto Parts may be able to get, but you "still" need Dealer Scan Tool to "program"
Have the Dealer scan Vehicle & check BCM / Door Locks, prior to replacing any parts