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.

When you move the switch to the lock position the switch grounds the supply voltage and the bcm sees a full voltage drop. 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 doors could only be unlocked manually. 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 body control module bcm supplies a voltage to each door lock switch. My 2005 malibu maxx no doors open or close when i hit the drivers side lock. The contact owns a 2009 chevrolet malibu. The contact owns a 2009 chevrolet malibu.

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. The contact stated that the rear interior power door locks failed to unlock when the key fob and power lock module were activated. The fix is to replace the bcm.

The locks work just fine in the winter. I removed the door switch panel and tested the electrical and the switch was operating as normal. Here s a power door lock wiring diagram for a 2009 chevrolet malibu. When car on i hear a little chirping noise.

There is no smell of burning wire. The vin was unavailable. The doors could only be unlocked manually. The vin was unavailable.

It interprets a full voltage drop as your request to lock the doors. The approximate failure mileage was 90 000. Even off or on. Refit the battery or a new battery.

The approximate failure mileage was 90 000. Normally when the door locks malfunction in the manner you described it is caused by a failing bcm. Press any button 10 ten times and the same with the other button. The vehicle was not repaired and the manufacturer was not notified.

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. Unlock the vehicle with the key in the drivers door lock do not open the door. 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.

Sometimes all the locks come on and off as i m during.