A burr is on the lock bolt.

1. Inspect the lock bolt.
2. Replace the lock bolt as needed. Refer to Steering Column Tilt Head Housing - Disassemble - Off Vehicle or Steering Column Tilt Head Housing - Assemble - Off Vehicle .

The lock bolt is restricted.

1. Inspect the lock bolt.
2. Service the lock bolt as needed. Refer to Steering Column Tilt Head Housing - Disassemble - Off Vehicle or Steering Column Tilt Head Housing - Assemble - Off Vehicle .

The following components are damaged:

1. Inspect the components.
2. Replace the components as needed. Refer to Ignition Lock Cylinder Replacement - On Vehicle or Steering Column Tilt Head Housing - Disassemble - Off Vehicle or Steering Column Tilt Head Housing - Assemble - Off Vehicle .

The ignition switch is stuck.

1. Inspect the switch.
2. Replace the components as needed. Refer to Ignition Switch Replacement - On Vehicle .

The shift linkage is misadjusted.

1. Inspect the linkage.
2. Service the components as needed.

The lock bolt spring is broken or worn.

1. Inspect the spring.
2. Replace the components as necessary. Refer to Steering Column Tilt Head Housing - Disassemble - Off Vehicle or Steering Column Tilt Head Housing - Assemble - Off Vehicle .