Two problems related to door have been reported for the 2003 Chevrolet Trailblazer. The most recently reported issues are listed below.
The contact owns a 2003 Chevrolet Trailblazer. The contact stated that the driver side door lock malfunctioned and the driver was unable to open the door from the outside. The vehicle was taken to an independent mechanic, who diagnosed that a clip inside the door locking mechanism fractured. The clip was replaced and the failure was remedied. The VIN was not available. The failure mileage was 156,000.
The contact stated sometimes the doors could not be opened from either the outside or the inside. She started having this problem in 3-04. This happens intermittently, mainly to the back doors and the driver's side door. The dealer originally said they could not find the problem. Currently, they were saying the doors were sticking because she did not bring the car in and had the doors lubricated. She denied this was the problem.