The P004F fault code, applicable to all car manufacturers, means “Turbocharger/Supercharger Boost Control B Circuit Intermittent/Erratic”.
The P004E fault code, applicable to all car manufacturers, means “Turbocharger/Supercharger Boost Control A Circuit Intermittent/Erratic”.
An air pump, also known as a tire inflator or tire pump, is a tool used to inflate car tires. When using an air pump, pay attention to the tire pressure adjustment and settings, and closely monitor the pressure gauge readings. It’s best to learn some safe operating procedures for air pumps to avoid accidents during inflation.
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”.
An automotive diagnostic tool is a vehicle fault detection instrument that makes auto repair easier, more convenient, and simpler. Automotive diagnostic tools are feature-rich, including fault code reading, data stream reading, anti-theft matching, and special functions. Using an automotive diagnostic tool, you can quickly read fault codes and data streams, and also perform operational tests on actuators. Let’s learn more about automotive diagnostic tools below.
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”.

