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Engine Coolant Temperature Indicator Always On

WARNING: This page is about a different car, the 2006 Buick LaCrosse and 2006 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
Engine Coolant Temperature Indicator Always On

Step Action Yes No
Connector End View Reference:  Cooling System 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 Start the engine.
Does the hot coolant indicator illuminate?		 Go to Step 3  Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems
3
  1. Install a scan tool.
  2. With a scan tool, observe the engine coolant temperature (ECT) sensor parameter in the Powertrain Control Module data list.
Does the scan tool indicate that the coolant temperature is within the temperature range shown on the temperature gauge?		 Go to Engine Overheating (LY7)  Go to Step 4 
4 Replace the instrument panel cluster (IPC). Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming.
Did you complete the replacement?		 Go to Step 5  -
5 Operate the system in order to verify the repair.
Did you correct the condition?		 System OK Go to Step 2 
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