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Home >> Volvo >> 2009 >> S40 Base, 2.4 38, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control Module (ECM) Diagnostic Trouble Codes - 1 Of 10 (544 Body) >> ECM-2000: Engine Coolant Temperature (ECT) Sensor. Faulty Signal (B5254T3; 2004) >> Faulty Signal >> Checking The Component
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Checking The Component

WARNING:

The engine cooling fan (FC) can also operate if the ignition is switched off when this diagnostic trouble code (DTC) is stored.

HINT: To avoid injury, disconnect the power supply to the engine cooling fan (FC) during fault-tracing.