The door locks and the alarm will return to their previous state.
Power lock doors constantly unlocking.
Drive the vehicle and see if your random lock unlock condition has stopped.
His power door locks are locking unlocking all by themselves with or without the ignition running.
The door locks will intermittently lock and or unlock without any activation of the power door lock switch or a clicking sound may be heard coming from the power door locks repeated locking or repeated unlocking.
You have a intermittent condition.
The remote should also be checked for stuck buttons.
To isolate the cause.
1 disconnect the drivers door lock unlock switch from the connector.
First try replacing the remote battery to be sure it is not causing the issue.
If this is occurring with the locks as well as a power loss then you may have a bad ignition switch.
I would treat these as separate issues though.
If there is a conflict in one of the door locks that tells the module it is not closed or not locked the module will cycle the locks.
If it has replace the switch.
It s to the point that he cannot drive the car and i m hoping i can help him with a fix.
The power door locks keep locking and unlocking even when the truck is turned off they are supposed to automatically the power door locks keep locking and unlocking even when the truck is turned off they ar the doors quad cab will not lock or unlock via the switch the doors quad cab will not lock or unlock via the switch or the keyfob.
Posting this for a friend who has a 2008 cobalt trying to get some help for him.
That should turn up the problem with the power loss.
More about locking and unlocking.
To get the door locks to work the door lock actuators have to be grounded to activate and the output signal side of the master switch has to send a power signal when the door lock switch is applied since all the actuators are going off at the same time tells me there is a intermittent power signal after the switch to activate all the actuators.
The doors will relock automatically if you do not open a door within 45 seconds of unlocking the doors with the remote control.