Power Door Locks Dont Work 2009 Malibu From Door Switch

The vehicle was not repaired and the manufacturer was not notified.

Power door locks dont work 2009 malibu from door switch. 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. The body control module bcm supplies a voltage to each door lock switch. Each door lock switch receives ground at g300 which is also the ground for the door lock and unlock relays located in the bcm. Even off or on.

As a result power door locks that don t work are a little unnerving as they spell an increased security threat for your vehicle. Normally when the door locks malfunction in the manner you described it is caused by a failing bcm. 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.

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. The approximate failure mileage was 90 000. My 2005 malibu maxx no doors open or close when i hit the drivers side lock. When car on i hear a little chirping noise.

The door locks in the malibu are controlled by the bcm body control module. Here s a power door lock wiring diagram for a 2009 chevrolet malibu. There is no smell of burning wire. Unlock the vehicle with the key in the drivers door lock do not open the door.

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 the right hand button lock button the button with the padlock symbol or the dimpled button on the key fob 4 to 8 times. The contact owns a 2009 chevrolet malibu. The doors could only be unlocked manually.

Refit the battery or a new battery. The approximate failure mileage was 90 000. I removed the door switch panel and tested the electrical and the switch was operating as normal. The fix is to replace the bcm.

The contact stated that the rear interior power door locks failed to unlock when the key fob and power lock module were activated. Press any button 10 ten times and the same with the other button. Sometimes all the locks come on and off as i m during. The vin was unavailable.

Power door locks are the most important security element of your vehicle. The locks work just fine in the winter. The vehicle was not repaired and the manufacturer was not notified. The contact stated that the rear interior power door locks failed to unlock when the key fob and power lock module were activated.

It interprets a full voltage drop as your request to lock the doors.