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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 412 (Engine Controls - Self-Diagnostics) >> Diagnostic Tests >> DTC P0125: Engine Coolant Temperature Excessive Time To Reach Closed Loop >> Diagnostic Aids

Diagnostic Aids

WARNING: This page is about a different car, the 2003 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.

DTC P0125 is designed to detect a skewed ECT sensor or a faulty thermostat. A skewed IAT sensor may also cause this DTC to set. IAT sensor should read near ambient temperature while driving.

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