Lock System Does Not Lock
WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. 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 ignition lock system description and perform the necessary inspections? | 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 an incorrect, worn, or damaged key. Is the key incorrect, worn, or damaged? |
Go to Step 9 | Go to Step 4 |
| 4 | Inspect for a faulty lock cylinder. Is the lock cylinder or release button damaged? |
Go to Step 10 | Go to Step 5 |
| 5 | Inspect the shift linkage adjustment. Is the shift linkage adjusted incorrectly? |
Go to Step 11 | Go to Step 6 |
| 6 | Inspect the automatic transmission shift lock control for damage. Is the automatic shift lock control damaged? |
Go to Step 12 | Go to Step 7 |
| 7 | Inspect the ignition switch for damage. Is the ignition switch damaged? |
Go to Step 13 | Go to Step 8 |
| 8 | Inspect the park lock for damage and cycle manual override. Is the park lock damaged? |
Go to Step 14 | Go to Step 3 |
| 9 | Replace the key. Refer to Key and Lock Cylinder Coding
in General Information. Did you complete the repair? |
Go to Step 15 | - |
| 10 | Replace the lock cylinder. Refer to Ignition Lock Cylinder Replacement . Did you complete the repair? |
Go to Step 15 | - |
| 11 | Adjust the shift linkage. Did you complete the repair? |
Go to Step 15 | - |
| 12 | Replace the automatic transmission shift lock control. Did you complete the repair? |
Go to Step 15 | - |
| 13 | Replace the ignition switch. Refer to Ignition Switch Replacement . Did you complete the repair? |
Go to Step 15 | - |
| 14 | Replace the park lock. Refer to Park Pawl Actuator Replacement (Aztek) . Did you complete the repair? |
Go to Step 15 | - |
| 15 | Operate the system in order to verify the repair. Did you correct the condition? |
System OK | Go to Step 3 |