1. Door hinge deformed causing door unable to open.
2. Door checker faulty causing door unable to open.
Suggest owner to visit workshop for repair, main procedure as below:
1.Check if the A pillar is deformed due to impact by external force, repair the A pillar or replace the door hinge if necessary.
2. Check if the door checker is functioning properly, replace if necessary.
3. Test open and close the door to ensure problem solved after repairing done.