Engine-Codes
 
OBDII Code List
 
P009A MERCEDES-BENZ

P009A MERCEDES-BENZ - Intake Air Temperature/Ambient Air Temperature Correlation

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What does this mean?

Possible causes

  • Faulty Intake Air Temperature (IAT) or Ambient Air Temperature (AAT) sensor
  • Biased IAT or AAT sensor
  • Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)
  • P009a Mercedes-benz Description

    The P009A code indicates that the Intake Air Temperature (IAT) and Ambient Air Temperature (AAT) sensor readings differ by more than a calibrated value.
    OBDII Code P009a Mercedes-benz - Intake Air Temperature/Ambient Air Temperature Correlation - Engine-Codes.com

    Related Information