Change Engine Oil Indicator Always On

Step	Action	Yes	No
Schematic Reference: Instrument Cluster Schematics NOTE: This diagnostic procedure applies only to the base (U2E) instrument panel cluster (IPC). The base (U2E) IPC is not equipped with a driver information center.
1	Did you perform the Diagnostic System Check - Vehicle?	Go to Step 2	Go to Diagnostic System Check - Vehicle in Vehicle DTC Information
2	Start the engine. Does the change engine oil/low oil level indicator display in the instrument panel cluster (IPC)?	Go to Step 3	Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems
3	Install a scan tool. Turn ON the ignition. With the scan tool observe the Engine Oil Life Remaining parameter in the PCM/ECM IPC Data List. Does the Engine Oil Life Remaining parameter display about or less than 5%?	Go to Step 4	Go to Step 5
4	Reset the engine oil life. Refer to GM Oil Life System - Resetting in Maintenance and Lubrication. Does the change engine oil/ low oil level indicator turn Off?	Go to Step 6	Go to Step 5
5	Replace the PCM/ECM. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming. Did you complete the replacement?	Go to Step 6	-
6	Operate the system in order to verify the repair. Did you correct the condition?	System OK	Go to Step 2