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Home >> Lincoln >> 2018 >> MKZ Select, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 2277 (Engine Controls - Powertrain DTC Charts & Descriptions (Except Diesel & Hybrid) - DTC P0001 - P0209) >> Diagnostic Trouble Code (DTC) Charts And Descriptions >> P00AD - Intake Air Temperature Sensor 1 Circuit High (Bank 2)

P00AD - Intake Air Temperature Sensor 1 Circuit High (Bank 2)

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P00AD - INTAKE AIR TEMPERATURE SENSOR 1 CIRCUIT HIGH (BANK 2)

Description:  This DTC sets when the intake air temperature bank 2, sensor 1 (IAT21) sensor signal is greater than the self-test maximum.
Possible Causes: 
  • IAT21 circuit open
  • IAT21 circuit short to voltage
  • Damaged IAT21 sensor
  • Incorrect harness connection
Diagnostic Aids:  An IAT21 sensor PID reading greater than self-test maximum with the 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 DA .