Lock System Does Not Lock
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. 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 6 | Go to Step 4 |
| 4 | Inspect the shift cable adjustment. Is the shift cable adjusted incorrectly? |
Go to Step 7 | Go to Step 5 |
| 5 | Inspect the ignition switch for damage. Is the ignition switch damaged? |
Go to Step 8 | Go to Step 6 |
| 6 | Replace the lock cylinder. Refer to Ignition Lock Cylinder Replacement . Did you complete the repair? |
Go to Step 9 | - |
| 7 | Adjust the shift cable. Refer to Automatic Transmission Range Selector Cable Adjustment
in Automatic Transmission - 4L60-E/4L65-E. Did you complete the repair? |
Go to Step 9 | - |
| 8 | Replace the ignition switch. Refer to Ignition Switch Replacement . Did you complete the repair? |
Go to Step 9 | - |
| 9 | Operate the system in order to verify the repair. Did you correct the condition? |
System OK | Go to Step 3 |