P2230moderate severityPowertrain
Barometric Pressure Sensor A Circuit Low
on 1999 BMW 540iT E39 4.4L V8 · RWD
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
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P0002
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P0004
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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