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2010-2012 SUBARU LEGACY

3.6L H6AWDCVTgas
50 active safety recalls on this vehicle — view recalls
Repairs0Labor504Torque3914Fluid9DTC900Battery0Maintenance0Recalls50
P2230moderate severityPowertrain

Barometric Pressure Sensor A Circuit Low

on 2010-2012 Subaru Legacy 3.6L H6 · AWD

What this code means

Barometric pressure sensor signal is below expected minimum.

Symptoms

  • Check engine light
  • Over-fueling
  • Black smoke

Common causes

  • Short to ground
  • Failed sensor
  • Wiring fault

Diagnostic steps

  1. Measure sensor voltage
  2. Check for shorts to ground

Repair notes

Replace sensor or repair wiring.

Other Powertrain codes on this vehicle

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