The P004B fault code, applicable to all car manufacturers, means “Turbocharger/Supercharger Boost Control B Circuit Range/Performance”.
The P0049 fault code, applicable to all car manufacturers, means “Turbocharger/Supercharger Turbine Overspeed”.
The P0048 fault code, applicable to all car manufacturers, means “Turbocharger/Supercharger Boost Control A Circuit High”.
The P0047 fault code, applicable to all car manufacturers, means “Turbocharger/Supercharger Boost Control A Circuit Low”.
The P0046 fault code, applicable to all car manufacturers, means “Turbocharger/Supercharger Boost Control A Circuit Range/Performance”.
The P0045 fault code, applicable to all car manufacturers, means “Turbocharger/Supercharger Boost Control A Circuit/Open”.
The P0044 fault code, applicable to all car manufacturers, means “HO2S Heater Control Circuit High (Bank 1, Sensor 3)”.
The P0043 fault code, applicable to all car manufacturers, means “HO2S Heater Control Circuit Low (Bank 1, Sensor 3)”.

