Power Door Locks Dont Work 2009 Malibu From Door Switch

The fix is to replace the bcm.

Power door locks dont work 2009 malibu from door switch.

The approximate failure mileage was 90 000. The vin was unavailable. Power door locks are the most important security element of your vehicle. Press the right hand button lock button the button with the padlock symbol or the dimpled button on the key fob 4 to 8 times.

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. The contact stated that the rear interior power door locks failed to unlock when the key fob and power lock module were activated. Normally when the door locks malfunction in the manner you described it is caused by a failing bcm. The doors could only be unlocked manually.

Here s a power door lock wiring diagram for a 2009 chevrolet malibu. The vehicle was not repaired and the manufacturer was not notified. The vehicle was not repaired and the manufacturer was not notified. The contact owns a 2009 chevrolet malibu.

My 2005 malibu maxx no doors open or close when i hit the drivers side lock. The door locks in the malibu are controlled by the bcm body control module. There is no smell of burning wire. The body control module bcm supplies a voltage to each door lock switch.

The contact stated that the rear interior power door locks failed to unlock when the key fob and power lock module were activated. When you move the switch to the lock position the switch grounds the supply voltage and the bcm sees a full voltage drop. The contact owns a 2009 chevrolet malibu. The approximate failure mileage was 90 000.

The doors could only be unlocked manually. It interprets a full voltage drop as your request to lock the doors. Sometimes all the locks come on and off as i m during. When car on i hear a little chirping noise.

Even off or on. Unlock the vehicle with the key in the drivers door lock do not open the door. 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. Refit the battery or a new battery.

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. Press any button 10 ten times and the same with the other button. The new bcm has to be programmed by the dealer after installation usually best to let them install the part for this reason. As a result power door locks that don t work are a little unnerving as they spell an increased security threat for your vehicle.

Each door lock switch receives ground at g300 which is also the ground for the door lock and unlock relays located in the bcm.