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)”.
P0042 fault code, applicable to all car manufacturers, means “HO2S Heater Control Circuit (Bank 1, Sensor 3)”.
The P0041 fault code, applicable to all car manufacturers, means “O2 Sensor Signals Swapped (Bank 1, Sensor 2)/(Bank 2, Sensor 2)”.
The P0040 fault code, applicable to all car manufacturers, means “O2 Sensor Signals Swapped (Bank 1, Sensor 1)/(Bank 2, Sensor 1)”.
The P003F fault code, applicable to all car manufacturers, means “A Camshaft Profile Control Stuck On (Bank 2)”.
The P003E fault code, applicable to all car manufacturers, means “A Camshaft Profile Control Performance/Stuck Off (Bank 2)”.
The P003D trouble code, applicable to all car manufacturers, means “A Camshaft Profile Control Stuck On (Bank 1)”.

