GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Instrument Cluster System Check?

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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?

0-10 %

Go to Step 4

Go to Step 3

3

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

Is the replacement complete?

--

Go to Instrument Cluster System Check

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4

  1. Press the INFO UP or DOWN button to display ENGINE OIL LIFE.
  2. Press and hold the INFO RESET button.

Does the ENGINE OIL LIFE reset to 100 %?

--

Go to Step 5

Go to Instrument Panel Cluster Control Switch Inoperative - INFO RESET

5

Find out last engine oil change mileage.

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

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Go to Step 6

Go to Step 3

6

Change engine oil and reset engine oil life.

Is the repair complete?

--

Go to Instrument Cluster System Check

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