The VAS 5054A is a universal diagnostic interface for the vehicles of the Volkswagen Group and all OBD vehicle systems from other manufacturers. The integrated Bluetooth interface connects the vehicle with a notebook, desktop PC or test system. No cables are needed for vehicle diagnostics using the VAS 5054A.

The range of the wireless Bluetooth connection is 5 to 10 meters, depending on the environment and the type of Bluetooth adapter used on the PC side. The Serial Port Profile (SPP) is used for data transfer via Bluetooth. Different Bluetooth security levels are supported.

The following vehicle bus systems are supported:
§ K line (ISO9141-2)
§ High-speed CAN (ISO 11898-2)
§ Low-speed CAN (ISO 11898-3)
§ J1850 (SAE J1850)