All locks work with key fob but if i don t lock door the horn beeps for 5 secs then the alarm goes off until i put the key back in.
Power door locks dont work 2009 malibu from door switch.
Normally when the door locks malfunction in the manner you described it is caused by a failing bcm.
The new bcm has to be programmed by the dealer after installation usually best to let them install the part for this reason.
The approximate failure mileage was 90 000.
The locks work just fine in the winter.
They keep potential thieves and burglars out of your car and make it easy for you to lock and unlock your doors in a hurry.
Here s a power door lock wiring diagram for a 2009 chevrolet malibu.
It interprets a full voltage drop as your request to lock the doors.
The contact owns a 2009 chevrolet malibu.
There is no smell of burning wire.
The vehicle was not repaired and the manufacturer was not notified.
The body control module bcm supplies a voltage to each door lock switch.
The vin was unavailable.
I removed the door switch panel and tested the electrical and the switch was operating as normal.
The contact owns a 2009 chevrolet malibu.
When a door lock switch is placed in the lock position the reference voltage is switched to ground and the bcm senses 0 0 volts on the door lock unlock signal circuit.
Press any button 10 ten times and the same with the other button.
The fix is to replace the bcm.
Even off or on.
The approximate failure mileage was 90 000.
Power door locks are the most important security element of your vehicle.
My 2005 malibu maxx no doors open or close when i hit the drivers side lock.
Unlock the vehicle with the key in the drivers door lock do not open the door.
The contact stated that the rear interior power door locks failed to unlock when the key fob and power lock module were activated.
When car on i hear a little chirping noise.
When you move the switch to the lock position the switch grounds the supply voltage and the bcm sees a full voltage drop.
The doors could only be unlocked manually.
The vin was unavailable.
Refit the battery or a new battery.
The contact stated that the rear interior power door locks failed to unlock when the key fob and power lock module were activated.
As a result power door locks that don t work are a little unnerving as they spell an increased security threat for your vehicle.
The vehicle was not repaired and the manufacturer was not notified.
The door locks in the malibu are controlled by the bcm body control module.
Each door lock switch receives ground at g300 which is also the ground for the door lock and unlock relays located in the bcm.