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

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 .
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