2008 Chevy Malibu Door Locks Going Crazy

Ok 2008 malibu ltz intermittent door lock function across all 4 locks.
2008 chevy malibu door locks going crazy. I called and got a price of 125 for the front door and 105 for each of the back doors from the dealer. Average repair cost is 590 at 54 350 miles. Sometimes the power door lock starts going off by itself or the dash lights go out. She was quoted about 1000 to fix the problem and replace all three of the bad actuator door lock assemblies through the dealer.
In extreme circumstances the entire truck loses power. Page 1 of 3. The door lock actuators were the real problem. I was able to fix all three door locks in about three hours myself.
If there is a conflict in one of the door locks that tells the module it is not closed or not locked the module will cycle the locks. His power door locks are locking unlocking all by themselves with or without the ignition running. Door locks were going up and down by themselves transmission was going in and out of gear instruments and lights on the dash were going of read more. Customers complain about intermittent power outages throughout the vehicle.
The 2008 chevrolet malibu has 41 problems reported for power door locks failed. First try replacing the remote battery to be sure it is not causing the issue. Posting this for a friend who has a 2008 cobalt trying to get some help for him. Odd thing is you can hear the actuator getting the signal to lock and or unlock however they are not physically performing the action.
The body control module controls the locking function. The remote should also be checked for stuck buttons.