P2231moderate severityPowertrain
Barometric Pressure Sensor A Circuit High
on 2001 Subaru Impreza 2.2L H4 · AWD
What this code means
Barometric pressure sensor signal exceeds expected maximum.
Symptoms
- Check engine light
- Lean condition
- Hesitation
Common causes
- Open circuit
- Short to voltage
- Sensor failure
Diagnostic steps
- Measure sensor signal
- Check for opens or shorts to power
Repair notes
Replace sensor or repair circuit.
Other Powertrain codes on this vehicle
P0001
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P0002
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P0003
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P0004
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P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0011
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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