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Ask GM Tech (Cam) Your Own Question
GM Tech (Cam)
GM Tech (Cam), Pontiac Technician
Category: Pontiac
Satisfied Customers: 2373
Experience:  GM Grand Master Technician 2007. 14 years experience.
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Door locks unlock and lock by theirself : Yes : Door lock

Customer Question

Door locks unlock and lock by theirself
JA: Is this your first time dealing with this issue?
Customer: Yes
JA: Tell me a bit more about what's going on so he can help you best.
Customer: Door lock just start locking and unlocking while just sitting still and it also keeps trying to lock itself
JA: Are you hoping to fix this yourself?
Customer: Yes I have been ford man for long time but not Gm
JA: Great! What have you tried so far?
Customer: Drivers door lock actuator was bad and we changed it and 40 days later this started
JA: Is there anything else important you think the Pontiac Mechanic should know about your Pontiac?
Customer: No
JA: OK. Got it. I'm sending you to a secure page on JustAnswer so you can place the $5 fully-refundable deposit now. While you're filling out that form, I'll tell the Pontiac Mechanic about your situation and then connect you two.
Submitted: 8 months ago.
Category: Pontiac
Expert:  Jerry replied 8 months ago.

"Is there anything else important you think the Pontiac Mechanic should know about your Pontiac?"

Like possibly the year make and model/engine of it?

Customer: replied 8 months ago.
2002 Pontiac Montana
Expert:  Jerry replied 8 months ago.

I see, thanks. Does it do it with the remote away from the vehicle?

Do you know if there are any trouble codes in the BCM?

You can check for codes by removing a fuse and turning the key.

Complete the following steps in order to enter the diagnostics mode:

  1. Turn the ignition switch to the LOCK position.
  2. Remove the BCM PRGRM fuse.
  3. Turn the ignition switch to the ACC position,
  4. Turn the ignition switch from the ACC position to the LOCK position then back to the ACC position within 1 second .

The BCM will enter the on-board diagnostic mode and flash the fasten seat belts indicator and sound the chime equal to the number of DTCs stored in the BCM memory. If no DTCs are stored, the BCM will not flash the fasten seat belts indicator or activate the chime.