GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Check the vehicle fuel level.

Is the fuel level at least 3/16 full?

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Go to Step 3

Go to Step 2

2

  1. Fill the vehicle fuel tank to at least 3/16 full.
  2. Turn the ignition switch to the RUN position.

Does the check gauges indicator illuminate for approximately 3 seconds and turn off?

--

System OK

Go to Step 3

3

Check for powertrain control module (PCM) DTCs.

Are any PCM DTCs set?

--

Go to Powertrain On Board Diagnostic (OBD) System Check (V6 VIN K) or Powertrain On Board Diagnostic (OBD) System Check (V8 VIN G)

Go to Step 4

4

  1. Connect a scan tool to the vehicle data link connector (DLC).
  2. Enter the instrument cluster WOW mode.
  3. Command the instrument cluster indicators off.

Does the check gauges indicator turn off?

--

Go to Powertrain On Board Diagnostic (OBD) System Check (V6 VIN K) or Powertrain On Board Diagnostic (OBD) System Check (V8 VIN G)

Go to Step 5

5

Replace the instrument cluster. Refer to Instrument Cluster Replacement .

Is the repair complete?

--

System OK

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