One problem related to warnings has been reported for the 2020 Volkswagen Jetta. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2020 Volkswagen Jetta based on all problems reported for the 2020 Jetta.
Hit a pot hole in the road and vehicle completely shut down and will not crank. Diagnostic code u0100 is saying that the ecm and pcm are no longer communicating. If I had been on the highway or in a high traffic area that could have been a life threatening situation as everything is run through the electronics of the car.