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Change Engine Oil Indicator Always On

WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
Change Engine Oil Indicator Always On

Step Action Yes No
Schematic Reference:  Instrument Cluster Schematics  
1 Did you perform the Diagnostic System Check - Instrument Cluster? Go to Step 2  Go to Diagnostic System Check - Instrument Cluster 
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 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
IMPORTANT: Perform the compass calibration and variance procedure on the replacement instrument panel cluster (IPC).
Replace the IPC. Refer to Instrument Panel Cluster (IPC) Replacement .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 - Engine Controls in Engine Controls
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