P2230moderate severityPowertrain
Barometric Pressure Sensor A Circuit Low
on 2009 Subaru Legacy 2.5L H4 · 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
- Measure sensor voltage
- Check for shorts to ground
Repair notes
Replace sensor or repair wiring.
Other Powertrain codes on this vehicle
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0011
Intake Camshaft Position Timing Over-Advanced Bank 1
P0012
Intake Camshaft Position Timing Over-Retarded Bank 1
P0013
Exhaust Camshaft Position Actuator Circuit/Open Bank 1
P0014
Exhaust Camshaft Position Timing Over-Advanced Bank 1
P0015
Exhaust Camshaft Position Timing Over-Retarded Bank 1