GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

1

Did you review the Steering Wheel and Column Description and Operation and perform the necessary inspections?

Go to Step 2

Go to Steering Wheel and Column Description and Operation

2

Verify the key cannot be removed from the ignition lock cylinder.

Is the key stuck in the lock cylinder?

Go to Step 3

System OK

3

Is the vehicle equipped with a manual transmission?

Go to Step 6

Go to Step 4

4

Turn the ignition key to the OFF position.

Can the key be turned to the OFF position and be removed?

Go to Step 6

Go to Step 5

5

Verify the adjustment of the automatic transmission shift cable. Refer to Floor Shift Control Cable Replacement for the 4T45-E transaxle or Range Selector Lever Cable Replacement for the 5AT transmission.

Can the key be turned to the OFF position?

System OK

Go to Step 6

6

Verify the adjustment of the park lock cable. Refer to Park Lock Cable Replacement for the 4T45-E transmission.

Can the key be turned to the OFF position and be removed?

System OK

Go to Step 7

7

Inspect for a faulty lock cylinder.

Is the lock cylinder damaged?

Go to Step 9

Go to Step 8

8

Inspect the ignition lock cylinder case.

Is the case worn, damaged or loose?

Go to Step 10

Go to Step 11

9

Replace the ignition lock cylinder. Refer to Ignition Lock Cylinder Replacement .

Did you complete the repair?

Go to Step 11

--

10

Replace the ignition lock cylinder case housing. Refer to Ignition Lock Cylinder Case Replacement .

Did you complete the repair?

Go to Step 11

--

11

Operate the system to verify the repair.

Did you correct the condition?

System OK

Go to Step 2