My 2002 ford explorer door open light stays on when all doors set closed. What is the problem?

My 2002 ford explorer door open light stays on when all doors set closed. What is the problem?

There's a small electric switch on each door that tells the computer if that door is open or closed. This includes the hatch. Odds are the switch on the driver's door is either out of position of broke. On your truck, the switch is inside the door, back by the locking mechanism.