P0047 - Turbocharger/Supercharger Boost Control Solenoid 'A' Circuit Low
A boost control solenoid is normally used to operate either a variable geometry turbocharger mechanism or a standard turbocharger wastegate mechanism.
Fault Code Explained
The ECM has detected that the circuit signal is either at zero or is below what is expected for the current operating conditions
- Check supply Voltage at solenoid
- Check solenoid control circuit