GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

Schematic Reference: Column Lock Schematics and Instrument Cluster Schematics

Connector End View Reference: Component Connector End Views

1

Did you perform the Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle

2

  1. Turn OFF the ignition.
  2. Disconnect the steering column electronic lock.
  3. Turn ON the ignition

Is the Service Column Lock message displayed?

System OK

Go to Step 3

3

Important: Always perform the setup procedure for the SCLCM.

  1. Replace the steering column lock control module. Refer to Steering Column Lock Control Module Replacement.
  2. Perform the setup procedure for the steering column lock control module.

Did you complete the replacement?

System OK

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