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Home >> Jeep >> 2024 >> Grand Cherokee Summit >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 67 (2.0L - DTCS P0117 To P0133) >> 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  .