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Home >> Jeep >> 2023 >> Grand Cherokee Altitude, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 40 (2.0L - DTCS P0088 To P012D) >> DTC Troubleshooting >> P0117 Engine Coolant Temperature Sensor Circuit Low >> Possible Causes

Possible Causes

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Possible Causes
5-VOLT SUPPLY SHORTED TO GROUND
ECT TEMP SIGNAL CIRCUIT SHORTED TO GROUND
ECT 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  .