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Engine Coolant Temperature Indicator Always On

WARNING: This page is about a different car, the 2007 Hummer H2. 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
1 Did you perform the Diagnostic System Check - Vehicle? Go to Step 2  Go to Diagnostic System Check - Vehicle
2 Start the engine.
Does the engine coolant temperature indicator illuminate?		 Go to Step 3  Go to Testing for Intermittent Conditions and Poor Connections
3
  1. Install a scan tool.
  2. With the scan tool, observe the engine coolant temperature parameter in the powertrain control module (PCM) data list.
Does the scan tool indicate that the coolant temperature is within the temperature range shown on the temperature gage?		 Go to Engine Overheating  Go to Step 4 
4 Replace the instrument panel cluster (IPC). Refer to Control Module References 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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