GM Service Manual Online
For 1990-2009 cars only

Cause

Action

The shaft assembly is damaged.

Repair or replace the shaft as needed. Refer to Intermediate Steering Shaft Replacement .

The housing assembly is damaged.

Replace the housing assembly. Refer to Steering Column Jacket - Disassemble - Off Vehicle and Steering Column Jacket - Assemble - Off Vehicle .

The automatic transmission shift lock control brake system is damaged.

Repair or replace the automatic transmission shift lock control as needed. Refer to one of the following procedures

    •  Automatic Transmission Shift Lock Control Adjustment in Automatic Transaxle 3T40
    •  Automatic Transmission Shift Lock Control Adjustment in Automatic Transaxle 4T40/4T45 - E

The park lock cable is not adjusted properly.

Adjust the park lock cable.

The key is incorrect, bent, or twisted.

Replace the key. Refer to Key and Lock Cylinder Coding in General Information.

    • There is a burr on the tang of the shift gate.
    • Faulty lock cylinder
    • Remove the burr.
    • Replace the lock cylinder. Refer to Ignition Lock Cylinder Replacement - On Vehicle .