Normally when the door locks malfunction in the manner you described it is caused by a failing bcm.
2009 malibu door lock relay location.
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Install the new relay into the slot in which the old one sat.
Many people have replaced this elect.
For those located under the dash in the middle of the cab behind.
The fix is to replace the bcm.
Thats today sometimes this changes where none of the locks work properley.
Fuse box diagram location and assignment of electrical fuses and relays for chevrolet chevy malibu 2008 2009 2010 2011 2012.
Door unlock pcb relay driver door unlock pcb relay and door lock pcb relay.
The new bcm has to be programmed by the dealer after installation usually best to let them install the part for this reason.
Outside rearview mirror switch.
I was told it is the lock actuator.
Power door locks that do not function are another common symptom for a problem with the door lock relay.
I have a 2008 chevy malibu that has door locking unlocking problems.
With a pair of needle nose pliers pull out the relay.
Install the new door lock relay.
Is there one on every door.
Get the new relay out of its package.
When i press the lock button it only locks the right rear door.
The door locks in the malibu are controlled by the bcm body control module.
Average repair cost is 600 at 53 450 miles.
The engine is human made.
Same with the unlock.
The problem is the same using the key fob.
Remove the old door lock relay.
For vehicles equipped with door lock cylinders the door can still be opened using the key.
The 2009 chevrolet malibu has 30 problems reported for power door locks malfunctioning.
The vehicle is a mercury mystique also known as a ford contour.
Using a diagram locate the door lock relay.