Lock System Does Not Lock
WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Lock System Does Not Lock
| Step | Action | Yes | No |
|---|---|---|---|
| DEFINITION: The lock system will not allow the key to be turned to the OFF lock position. | |||
| 1 | Did you review the Steering Wheel and Column Description and Operation? | Go to Step 2 | Go to Steering Wheel and Column Description and Operation |
| 2 | Verify that the lock system does not lock. Does the lock system operate normally? |
System OK | Go to Step 3 |
| 3 | Inspect for a faulty lock cylinder or release button. Is the lock cylinder or release button damaged? |
Go to Step 7 | Go to Step 4 |
| 4 | Inspect the shift cable adjustment. Is the shift cable adjusted incorrectly? |
Go to Step 8 | Go to Step 5 |
| 5 | Inspect the ignition switch for damage. Is the ignition switch damaged? |
Go to Step 9 | Go to Step 6 |
| 6 | Inspect the linear shift for damage. Is the linear shift control damaged? |
Go to Step 10 | Go to Step 7 |
| 7 | Replace the lock cylinder. Refer to Ignition Lock Cylinder Replacement . Did you complete the repair? |
Go to Step 11 | - |
| 8 | Adjust the shift cable. Refer to the following procedures:
Did you complete the repair? |
Go to Step 11 | - |
| 9 | Replace the ignition switch. Refer to Ignition Switch Replacement . Did you complete the repair? |
Go to Step 11 | - |
| 10 | Replace the linear shift assembly. Refer to Linear Shift Assembly Replacement . Did you complete the repair? |
Go to Step 11 | - |
| 11 | Operate the system in order to verify the repair. Did you correct the condition? |
System OK | Go to Step 3 |