Change Engine Oil Indicator Always On

WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

Step	Action	Yes	No
Schematic Reference: Instrument Cluster Schematics
1	Did you perform the Instrument Cluster Diagnostic System Check?	Go to Step 2	Go to Diagnostic System Check - Instrument Cluster
2	Start the engine. Does the CHANGE ENGINE OIL indicator illuminate?	Go to Step 3	Go to TESTING FOR INTERMITTENT CONDITIONS AND POOR CONNECTIONS in Wiring Systems
3	Install a scan tool. With a scan tool, observe the Engine Oil Life Remaining parameter in the PCM Engine Data 3 data list. Does the Engine Oil Life Remaining parameter display 0%?	Go to Step 4	Go to Step 5
4	Reset the engine oil life. Refer to OIL CHANGE REMINDER . Does the CHANGE ENGINE OIL indicator turn off?	Go to Step 6	Go to Step 5
5	IMPORTANT: Program the replacement IPC. Replace the IPC. Refer to Instrument Panel Cluster (IPC) Replacement .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