GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

1

Did you perform the Cruise Control Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - Cruise Control

2

Operate the vehicle within the conditions for cruise control operation.

Does the cruise control system operate correctly?

Go to Step 3

Go to Cruise Control Inoperative/Malfunctioning Using J 42958 Cruise Control Tester or Cruise Control Inoperative/Malfunctioning

3

Use a scan tool in order to command the cruise lamp ON/OFF.

Does the cruise lamp respond correctly to each command?

Go to Diagnostic System Check - Engine Controls for the 3.1L

or Diagnostic System Check - Engine Controls for the 3.8L in Engine Controls

Go to Step 4

4

Replace the Instrument Panel Cluster. Refer to Instrument Cluster Replacement in Instrument Panel, Gauges, and Console.

Did you complete the replacement?

Go to Step 2

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