GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

Schematic Reference: Instrument Cluster Schematics

1

Did you perform the Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle in Vehicle DTC Information

2

  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 parameter in the powertrain control module (PCM) Engine Data 2 data list.

Does the scan tool display zero percent with the Change Engine Oil message on?

Go to Step 3

Go to Step 4

3

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

Does the Change Engine Oil message turn off?

Go to Step 5

Go to Step 4

4

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

Did you complete the replacement?

Go to Step 5

--

5

  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 parameter in the PCM Engine Data 2 data list.

Does the scan tool display 100 percent with the Change Engine Oil message off?

System OK

Go to Diagnostic System Check - Vehicle in Vehicle DTC Information