GM Service Manual Online
For 1990-2009 cars only

Checks

Causes

Lock System Does Not Lock

Inspect the steering column lock system for the following conditions:

    • A damaged housing assembly
    • A damaged shaft assembly
    • A damaged lock cylinder assembly
    • A damaged ignition switch assembly
    • Damaged shear bolts
    • Improper shift control cable adjustment
    • A damaged electric park lock solenoid