Why is my vw Tiguan radio display not working?

There are many reasons that the radio display in Your Volkswagen Tiguan isn't working. If Your radio works but the display is not it could be either a wiring issue or the circuit board is faulty. In order to determine if it's a wiring issue the radio would have to be removed from the dash to inspect the wiring. Check to make sure that all of the electrical connectors and fully seated to the back of the unit. If You have a multimeter, test the electrical connector going to the radio to see if they all have continuity and make sure that none of those pins are bent or corroded. If it's an internal circuit issue You're going to have to replace the radio because the cost of repairing it would exceed the price to replace it.