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Home >> Ford >> 2011 >> Focus S, Standard >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls - Powertrain DTC Charts & Descriptions - DTC P0001 Through DTC P0217 - (Except Diesel & Hybrid) >> DTC P011E: Engine Coolant Temperature 1/Ambient Air Temperature Correlation

DTC P011E: Engine Coolant Temperature 1/Ambient Air Temperature Correlation

P011E - ENGINE COOLANT TEMPERATURE 1/AMBIENT AIR TEMPERATURE CORRELATION

Description:  The DTC indicates that the engine coolant temperature (ECT) and ambient air temperature (AAT) sensor readings differ by greater than a calibrated value.
Possible Causes: 
  • Biased ECT or AAT sensor
  • Damaged ECT or AAT sensor
  • Damaged intake air temperature (IAT) sensor
Diagnostic Aids:  Make sure the ECT, AAT and IAT sensor readings are within 18°C (32.4°F) of each other after 6 to 8 hours at a stabilized ambient temperature and the vehicle has not been in direct sunlight.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST DX .