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Home >> Ford >> 2013 >> Focus ST >> Repair and Diagnosis >> External Pages >> Different car >> Section 709 (Engine Controls (Except Diesel & Hybrid) - Powertrain DTC Descriptions - DTC P0001 - P0192) >> DTC P0073: Ambient Air Temperature Sensor Circuit High

DTC P0073: Ambient Air Temperature Sensor Circuit High

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P0073 - AMBIENT AIR TEMPERATURE SENSOR CIRCUIT HIGH

Description:  This DTC sets when the sensor signal is greater than the self-test maximum.
Possible Causes: 
  • AAT circuit open or short to voltage
  • Damaged AAT sensor
Diagnostic Aids:  An AAT sensor reading greater than the self-test maximum with ignition ON engine OFF or during any engine operating mode indicates a concern is present.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST FA .