I saw another post on this forum, having to do with frozen or blank screens. If there is no noise, then yah, it sounds like CANBUS and\or MCU confusion with signals. They report clicking\grinding sounds before it actually fails. Some owners have replaced theirs a few times, I never had any issues so it must be hit\miss.
GM has had a persistent problem with Bosch iBooster brake modules. Also, they escalated details of this problem to the VW upper management. UPDATE: The car dealer contacted VW and they recommended to replace the brake booster.
A glitch in the system or a problem with the brakes… The car drives normally now and I don’t see any warning messages. Of course, I will go to the dealer for a service check as soon as possible, but I would like to know your opinion of what it could be. I called VW road assistance, and while I was hanging on the line waiting for an answer (around 5-10 minutes), the car woke up and I was able to drive it. On the main menu (Vehicle - Information) was displayed 1 message that brake booster is limited. Further, the car refused to respond to any commands, all the pedals didn’t work. I could make it stop only by pressing the parking mode. So the car didn’t stop and continued to roll backward. I pressed the brake pedal and it didn’t go down. I was backing out of the parking spot and suddenly all the icons appeared on the steering wheel screen showing malfunctions.
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