The P004D fault code, applicable to all car manufacturers, means “Turbocharger/Supercharger Boost Control B Circuit High”.
The P004C fault code, applicable to all car manufacturers, means “Turbocharger/Supercharger Boost Control B Circuit Low”.
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”.