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Change Engine Oil Indicator Always On

WARNING: This page is about a different car, the 2004 Chevrolet Corvette. 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 IPC Diagnostic System Check? 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 percent in the PCM data 3 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.
Has the GM engine oil life system been reset?		 Go to Step 5  -
4 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 percent in PCM data 3 list.
Does the scan tool display 100 percent with the engine oil message off?		 System OK Go to Diagnostic System Check - Engine Controls in Engine Controls
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