Did you perform the instrument cluster diagnostic system check?

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Go to Step 2

Go to Diagnostic System Check - Instrument Cluster

1. Install a scan tool.
2. Turn ON the ignition, with the engine OFF.
3. With a scan tool, observe the engine oil life percent in the PCM IPC data list.

Does the scan tool display zero percent with the change engine oil message on?

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Go to Step 3

Go to Step 4

Reset GM engine oil life system. Refer to GM Oil Life System Resetting in Maintenance and Lubrication.

Has the GM engine oil life system been reset?

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Go to Step 5

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Important: Perform the set up procedure for the replacement IPC.

Replace the IPC. Refer to Instrument Cluster Replacement .

Did you complete the replacement and the set up procedure?

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Go to Step 5

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1. Install a scan tool.
2. Turn ON the ignition, with the engine OFF.
3. With a scan tool, observe the Engine Oil Life percent in PCM IPC data list.

Does the scan tool display 100 percent with the engine oil message off?

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System OK

Go to Powertrain On Board Diagnostic (OBD) System Check in Engine Controls - 3.4L