GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Instrument Cluster System Check?

--

Go to Step 2

Go to Instrument Cluster System Check

2

  1. Connect scan tool.
  2. View IPC Data List menu.

Is the engine oil life within the specified range?

--

Go to Step 4

Go to Step 3

3

Find out last engine oil change mileage.

Has it been approximately 3000 miles since the last oil change?

--

Go to Step 5

Go to Instrument Cluster System Check

4

Replace the instrument cluster. Refer to Instrument Cluster Replacement .

Is the replacement complete?

--

Go to Instrument Cluster System Check

--

5

Replace the PCM. Refer to Powertrain Control Module Replacement in Engine Controls.

Is the replacement complete?

--

Go to Instrument Cluster System Check

--