GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Audible Warning System Check?

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Go to Step 2

Go to Audible Warnings System Check

2

  1. Connect a scan tool to the Data Link Connecotor (DLC).
  2. Command the automatic transmission control position indicators to turn on.

Does the indicator come on when commanded?

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Go to Diagnostic System Check - Body Control System

Go to Step 3

3

  1. Replace the instrument cluster. Refer to Instrument Cluster Replacement .
  2. Inspect the system.

Is the repair complete?

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Go to Audible Warnings System Check

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