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Home >> Ford >> 2015 >> Explorer Limited, 3.5L Eng VIN 8, AWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls - Powertrain DTC Charts & Descriptions (Except Diesel & Hybrid) >> Diagnostic Trouble Code (DTC) Charts and Descriptions >> P0117 - Engine Coolant Temperature (ECT) Sensor 1 Circuit Low - DTC Chart

P0117 - Engine Coolant Temperature (ECT) Sensor 1 Circuit Low - DTC Chart

P0117 - ENGINE COOLANT TEMPERATURE (ECT) SENSOR 1 CIRCUIT LOW - DTC CHART

Description:  This DTC sets when the ECT sensor signal is less than the self-test minimum. The ECT sensor signal minimum is 121°C (250°F).
Possible Causes: 
  • ECT circuit short to ground
  • Damaged ECT sensor
  • Incorrect harness connection
Diagnostic Aids:  A concern is present if the ECT (TEMP) PID reading is greater than 121° C (250° F) with the ignition ON engine OFF or during any engine operating mode.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to Pinpoint Test DX .