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Our automotive experts have put together the following information about the P222D diagnostic trouble code. We've provided the common symptoms that occur when this code is set along with the frequent repairs that address the issues related to the P222D code.

OBD II Fault Code

  • OBD II P222D

OBD-II Code Decreased engine performance is defined as a Barometric Pressure Sensor "B" Circuit High

The Barometric Pressure Sensor monitors ambient air pressure. Most manufacturers have this sensor integrated into the Mass Airflow Sensor (MAF) or the Powertrain Control Module (PCM). The PCM compares this reading to other sensors to verify the Barometric Pressure Sensor's Calibration. If the PCM determines that the sensor has lost its calibration or voltage reading from the sensor is incorrect, the PCM will set code P222D.

 

Decreased engine performance Symptoms

  • Decreased engine performance
  • Increased fuel consumption

Common Problems That Trigger the P222D Code

  • Clogged air filter
  • Mass Air Flow (MAF) sensor failure
  • Powertrain Control Module (PCM) failure
  • Powertrain Control Module (PCM) software needs to be updated
  • Wiring issue

Common Repairs Needed for the P222D Code

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