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Home >> Jeep >> 2021 >> Cherokee High Altitude, Automatic T/Case Control >> Repair and Diagnosis >> Engine Performance >> System >> 2.0L - DTCS P0088 To P0223 >> DTC Troubleshooting >> P0117-Engine Coolant Temperature Sensor Circuit Low >> Possible Causes

Possible Causes

Possible Causes
ECT SENSOR TEMP SIGNAL CIRCUIT SHORTED TO GROUND
ECT SENSOR TEMP SIGNAL CIRCUIT SHORTED TO 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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