Schematic Reference: Instrument Cluster Schematics

Connector End View Reference: Master Electrical Component List

1

Did you perform the Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle

Start the engine.

Does the change engine oil indicator illuminate in the message center?

Go to Step 3

Go to Testing for Intermittent Conditions and Poor Connections

1. Install a scan tool.
2. With a scan tool, observe one of the following Engine Oil Life Remaining parameters:

•	Engine Oil Life Remaining in the engine control module (ECM) Engine Data 1 data list (LBZ, LLY, LMM, LF8, and LG4)

•	Engine Oil Life Remaining in the powertrain control module (PCM) Engine Data 2 data list (L18)

Does the Engine Oil Life Remaining parameter display 0 percent?

Go to Step 4

Go to Step 5

Reset the engine oil life. Refer to GM Oil Life System Resetting .

Does the change engine oil indicator turn off?

Go to Step 6

Go to Step 5

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

Did you complete the replacement?

Go to Step 6

--

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2