Schematic Reference: Instrument Cluster Schematics

Connector End View Reference: Instrument Panel, Gages, and Console Connector End Views

Did you perform the Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle in Vehicle DTC Information

1. Install a scan tool.
2. Turn ON the ignition, with the engine OFF.
3. With a scan tool, observe the Engine Oil Life Remaining in the instrument panel cluster (IPC) powertrain control module (PCM) data list.

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

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?

Go to Step 5

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Replace the IPC. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming.

Did you complete the replacement?

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 Remaining in the IPC data list.

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

System OK

Go to Diagnostic System Check - Vehicle in Vehicle DTC Information