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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 197 (Engine Cooling System) >> Description and Operation >> Cooling System Description and Operation >> Engine Coolant Indicators >> Hot Coolant Temp

Hot Coolant Temp

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.

The instrument panel cluster (IPC) illuminates the hot coolant temperature indicator in the message center when the IPC determines that the coolant temperature is greater than 128°C (262°F). The IPC receives a class 2 message from the powertrain control module (PCM) or engine control module (ECM) indicating the coolant temperature.

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