GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

Schematic Reference: Driver Information System Schematics

Connector End View Reference: Displays and Gages Connector End Views

1

Did you review the operation and perform the necessary inspections?

Go to Step 2

Go to Diagnostic System Check - Vehicle

2

Inspect for poor connections at the radio. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .

Did you find and correct the condition?

Go to Step 4

Go to Step 3

3

Replace the radio. Refer to Control Module References for replacement, setup, and programming.

Did you complete the replacement?

Go to Step 4

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4

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2