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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 58 (Engine Cooling) >> Description and Operation >> Cooling System Description and Operation >> Engine Coolant Indicators >> Engine Coolant Hot

Engine Coolant Hot

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.

The instrument panel cluster (IPC) illuminates the ENGINE COOLANT HOT indicator in the message center when the IPC determines that the coolant temperature is greater than 121°C (251°F). The IPC receives a class 2 message from the powertrain control module (PCM) indicating the coolant temperature.

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