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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 48 (Engine Cooling System) >> Diagnostic Information and Procedures >> DTC P1258 >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2005 Buick LaCrosse and 2005 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.

The powertrain control module (PCM) uses the engine coolant temperature (ECT) sensor to monitor the engine for an over temperature condition. When an over temperature condition is present, DTC P1258 will set.

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