What's the 01504 vw fault code?

The 01504Code indicates Your Volkswagen vehicle is experiencing license plate bulb issues. In this case, You should go to an auto electrician and get it diagnosed properly to repair the problem permanently. The license plate bulbs are very important for the illumination of Your plates at night, to ensure You do not get into any trouble with the law enforcement officials. In some states, it might also be a traffic offense to drive the car at night without these bulbs. The repair cost is almost non-existent. As far as safety goes, You can continue driving Your car with these bulbs dead, but it is advisable to get them repaired to avoid any traffic tickets.