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Home >> Fiat >> 2014 >> 500 Lounge, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> 1.4L - I4 Non-Turbo - DTCS P0016-00 To P0354-00 - 500 & 500C >> Diagnosis And Testing >> P0116-00-Engine Coolant Temperature Sensor Performance >> Possible Causes

Possible Causes

Possible Causes
EXCESSIVE RESISTANCE IN THE ECT SIGNAL CIRCUIT
EXCESSIVE RESISTANCE IN THE SENSOR GROUND CIRCUIT
ENGINE COOLANT TEMPERATURE (ECT) SENSOR
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  . 

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