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Change Engine Oil Indicator Inoperative

WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.
Change Engine Oil Indicator Inoperative

Step Action Yes No
Schematic Reference: Instrument Cluster Schematics 
Connector End View Reference: Instrument Panel, Gages and Console Connector End Views 
1 Did you perform the Diagnostic System Check - Vehicle? Go to Step 2  Go to Diagnostic System Check - Vehicle in Vehicle DTC Information
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 in the instrument panel cluster (IPC) powertrain control module (PCM) data list.
Does the scan tool display zero percent while the Change Engine Oil message is inoperative?		 Go to Step 3  System OK
3 Replace the IPC. Refer to Control Module References in Computer/Integrating Systems for replacement, setup and programming.
Did you complete the replacement?		 Go to Step 4  -
4 Operate the system in order to verify the repair.
Did you correct the condition?		 System OK Go to Step 2 
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