P0237moderate severityPowertrain
Turbocharger/Supercharger Boost Sensor A Circuit Low
on 1999 BMW 540iT E39 4.4L V8 · RWD
What this code means
Low voltage from boost sensor A.
Symptoms
- Check Engine Light
- No boost indication
Common causes
- Short to ground
- Faulty sensor
Diagnostic steps
- Test voltage
- Check for shorts
Repair notes
Repair or replace sensor.
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