GM Service Manual Online
For 1990-2009 cars only

Condition

Action

The lock bolt is damaged.

Replace the lock bolt.

Refer to Steering Column Tilt Head Assembly Disassemble Column Shift.

The lock cylinder is faulty.

Replace or repair the lock cylinder.

The housing is damaged.

Replace the lock module assembly.

Refer to Electronic Column Lock Module - Disassemble Column Shift.

The sector is damaged, or the sector collapsed.

Replace the lock module assembly.

Refer to Electronic Column Lock Module - Disassemble Column Shift.