GM Service Manual Online
For 1990-2009 cars only

Ignition Key Cannot Be Removed from the Ignition Lock Cylinder for Chevrolet Chevrolet C-Series Medium Duty Truck B7 1999

Problem

Action

The ignition switch is not set correctly.

Adjust the ignition switch. Refer to Ignition Switch Assembly - Off Vehicle .

The lock cylinder is faulty.

Replace the lock cylinder. Refer to Steering Column Lock Cylinder Set - Off Vehicle (standard) .