GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 1999 🢒 Park Avenue 🢒 Body and Accessories 🢒 Instrument Panel, Gauges, and Console 🢒 Tachometer Inoperative

Step

Action

Value(s)

Yes

No

1
  1. Start the engine.
  2. Connect a scan tool.
  3. Select the instrument cluster Data Menu.
  4. View the engine speed input data on the scan tool.

Does the engine speed input data on the scan tool match the tachometer on the instrument cluster?

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Go to Engine Controls

Go to Step 2

2

Replace the instrument cluster.

Is the repair complete?

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Go to Diagnostic System Check - Instrument Cluster

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