 Manufacturers Siemens and Bombardier Transportation have been asked by DB to fix the issues.On 17 July 2019 it was announced that Siemens, Bombardier, and Deutsche Bahn had come to an agreement in which Siemens and Bombardier would fix the trains, which were deemed safe, between 2020 and mid-2023.Also Deutsche Bahn would begin immediately accepting more deliveries of the trains.