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Home >> BMW >> 2016 >> 335i Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 1084 (Self Diagnosis - Diagnostic Trouble Codes (N20 & N26)) >> Fault Code Tests >> DTC P15E8: BMW DTC 1B9508; DME -- External Engine Off Timer Engine Off Time Too Short In Correlation To Cooling-Down Of Engine Coolant >> Fault description

Fault description

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Diagnosis monitors the calculated cutout time of the engine by comparison with the engine coolant cooling rate while the engine is not in operation.

Fault monitoring conditions:

This fault code is detected whenever the actual time required for the engine temperature to cool down takes implausibly less than the theoretical time.

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