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Home >> Hummer >> 2007 >> H3 Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 46 (Engine Cooling System) >> Diagnostic Information and Procedures >> Engine Overheated Indicator Always On

Engine Overheated Indicator Always On

WARNING: This page is about a different car, the 2005 GMC Canyon and 2005 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.
Engine Overheated Indicator Always On

Step Action Yes No
DEFINITION: The Engine Hot indicator is always ON.
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 Check Gages 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 the scan tool, observe the ECT Sensor parameter in the powertrain control module (PCM) data list.
Does the scan tool indicate that the ECT Sensor parameter 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 Instrument Panel Cluster (IPC) Replacement in Instrument Panel, Gages, and Console.
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