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P2227 - Barometric Pressure Sensor A Circuit Range/Performance

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P2227 - BAROMETRIC PRESSURE SENSOR A CIRCUIT RANGE/PERFORMANCE

For Fiesta 
Description:  This DTC sets when there is an out of range condition in the BARO circuit.
Possible Causes: 
  • Damaged barometric pressure (BARO) sensor
  • Damaged PCM
Diagnostic Aids:  The BARO sensor is integral to the PCM. A BARO reading less than 50 kPa (7.25 psi) indicates a concern.
Clear the PCM DTCs. Repeat the self-test. If the DTC is retrieved again, install a new PCM. Refer to FLASH ELECTRICALLY ERASABLE PROGRAMMABLE READ ONLY MEMORY (EEPROM) .
For Vehicles With 3.5L GTDI Engine 
Description:  This DTC sets when either of the following conditions are present.
When the BARO PID does not correlate with the TCBP and the MAP PIDs at ignition ON, engine OFF.
When the MAP and TCBP PIDs correlate with the engine running, but the TCBP PID does not correlate with the BARO PID at idle.
Possible Causes: 
  • Damaged BARO sensor
  • Damaged PCM
Diagnostic Aids:  This DTC is only operational between 1, 000 feet below sea level to 15, 000 feet above sea level, it should be disregarded if set outside the operational range.
For All Others 
Description:  This DTC sets when the BARO does not correlate with an inferred barometric pressure calculation based on the MAP or mass airflow (MAF) value.
Possible Causes: 
  • Damaged BARO sensor
  • Damaged PCM
Diagnostic Aids:  This DTC is only operational between 1, 000 feet below sea level to 15, 000 feet above sea level, it should be disregarded if set outside the operational range.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
Fiesta Refer to the Description, Possible Causes and Diagnostic Aids for the DTC.
All others GO to PINPOINT TEST DO: BAROMETRIC PRESSURE (BARO) SENSOR .
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