Where is the transmission computer located in the Passat?

[SanKing]

b5 transmission computer board is located under the front passenger seat, inside a plastic box when you lift the floor mat. Remove the leather cover on the gear shift, and also remove the panel near the gear shift, the computer is underneath. Function of transmission fluid: The main function of transmission fluid is to keep the shifting system clean, and to lubricate the transmission device and extend its lifespan. Changing transmission fluid: Currently, there are three mainstream methods for changing automatic transmission fluid. The first method is similar to changing engine oil, by loosening the drain screw of the transmission to drain and refill the fluid. The second method involves directly removing the oil pan to drain and refill the fluid. The third method is the more advanced automatic transmission fluid exchange using a circulation machine.