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Home >> Lincoln >> 2012 >> MKZ Hybrid >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 35 (Engine Controls (Except Diesel & Hybrid) - Powertrain DTC Descriptions - DTC P0001 - P0192) >> DTC P009A: Intake Air Temperature/Ambient Air Temperature Correlation

DTC P009A: Intake Air Temperature/Ambient Air Temperature Correlation

WARNING: This page is about a different variant/trim than selected.
P009A - INTAKE AIR TEMPERATURE/AMBIENT AIR TEMPERATURE CORRELATION

Description:  This DTC sets when the intake air temperature (IAT) and ambient air temperature (AAT) sensor readings differ by greater than a calibrated value.
Possible Causes: 
  • Biased IAT or AAT sensor
  • Damaged IAT or AAT sensor
Diagnostic Aids:  Make sure the IAT, AAT and engine coolant temperature (ECT) sensor readings are within 18°C (32.4°F) of each other after 6 to 8 hours at a stabilized ambient temperature.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
F-150 3.5L GO to PINPOINT TEST DN .
All others GO to PINPOINT TEST DA .