The P0054 fault code, applicable to all car manufacturers, means “HO2S Heater Resistance (Bank 1, Sensor 2)”.
P0053 fault code, applicable to all car manufacturers, means “HO2S Heater Resistance (Bank 1, Sensor 1)”.
The P0052 fault code, applicable to all car manufacturers, means “HO2S Heater Control Circuit High (Bank 2, Sensor 1)”.
P0051 fault code, applicable to all car manufacturers, means “HO2S Heater Control Circuit Low (Bank 2, Sensor 1)”.
P0050 fault code, applicable to all car manufacturers, means “HO2S Heater Control Circuit (Bank 2, Sensor 1)”.
The P005C trouble code, applicable to all car manufacturers, means “B Camshaft Profile Control Performance/Stuck Off (Bank 2)”.
The P005D trouble code, applicable to all car manufacturers, means “B Camshaft Profile Control Stuck On (Bank 2)”.
The P005B trouble code, applicable to all car manufacturers, means “B Camshaft Profile Control Stuck On (Bank 1)”.