Many times if a door does not latch completely. If its the sliding door, could be the bottom door rollers are worn allowing the door to move.
It's not a question !
Is door ajar light on also?
It is attached to the liftgate latch assembly.
some how the tail light wire is touching the ajar wire
On my 2002 sportage 2-door, the door ajar light stays on when the tailgate is not locked. with the key.
Check the plunger switch in the door. Sounds like it is shorted closed.
If the trunk lid isn't actually ajar, the switch has gone out of alignment, or it broke.
The back hatch may be ajar.
Fix a "door ajar" on Chevy Impala 2003 . Still on doors closed.
Possible faulty door switch.Try contact cleaner or light grade of lubricant on the switch. Push it i nby hand and see if door ajar light goes out.
The trunk lid is open or the ajar switch has malfunctioned.The trunk lid is open or the ajar switch has malfunctioned.
It is inside the body computer.