The door locks on my 2009 Chevy Impala are no longer locking, what could be my issue?

Asked by Jan 05, 2015 at 02:11 PM about the 2009 Chevrolet Impala LT

Question type: Maintenance & Repair

The vehicle's doors will not lock, by using either the key phobe or the lock buttons on
both driver and passenger door.  However if I lock all the door manually both the key
phobe and the door lock buttons will open them.  Also when I put the vehicle in reverse it
will no longer lock the doors either.  I checked my fuse and it appears to be fine and think
if it was bad locks would not unlock.

6 Answers

38,275

Check your fuses and relay. If all looks good, it could be a faulty BCM. Try Ebay for a new BCM (Body Control Module) you can get one for around $70.

1 of 1 people found this helpful.
Best Answer

Thanks, I will check those out. At least it will give me a start.

It turned out to be a relay, changed it out and it is working just fine now, thanks

10

Aron: where was the relay for the power door lock located? Which one did you replace? This is exactly what one of our cars is doing.

1 of 1 people found this helpful.
30

The relay should be in the fuse box under the dash, passenger side kick pannel, you can't miss it

3 of 3 people found this helpful.

there are 3 relays,. one plugs into the box and 2 are soldered to the pcb. in the back of the box. I had a bad pcb relay. bitch to get off the board but $1.78 and a couple hours later vehicle fixed.

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