GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Was Instrument Cluster System Check performed?

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Go to Step 2

Go to Diagnostic System Check - Instrument Cluster

2

  1. Connect a scan tool.
  2. WOW the instrument cluster ON.

Does the Engine Oil Pressure Warning indicator illuminate?

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Go to Powertrain On Board Diagnostic (OBD) System Check in Engine Controls

Go to Step 3

3

Replace the Instrument Cluster. Go to Instrument Cluster Replacement .

Is the Instrument Cluster replacement complete?

--

System OK

Go to Diagnostic System Check - Instrument Cluster