LEMON Manuals: Even more car manuals for everyone
Home >> Ford >> 2012 >> Mustang Base, 2D Coupe, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 617 (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

WARNING: This page does not describe the selected car, but rather 31 other vehicles, including the 2015 Lincoln Navigator, 2015 Lincoln MKZ, 2015 Lincoln MKX, 2015 Lincoln MKT, and 2015 Lincoln MKS. However, it is still accessible from the selected car via links, so may be relevant.
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 .