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Home >> Chevrolet >> 2001 >> Corvette Z06 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls Self-Diagnostics - 5.7L >> Diagnostic Tests >> DTC P1258: Engine Coolant OVERTEMPERATURE - Protection Mode Active >> Description
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DTC P1258: Engine Coolant OVERTEMPERATURE - Protection Mode Active: Description

The PCM uses the Engine Coolant Temperature (ECT) sensor to monitor engine for over temperature condition. This condition occurs when coolant temperature is 268°F (131°C) or more.