2019 AUDI A3 Power Train Problems

The contact owns a 2019 Audi A3. The contact stated that while driving 65 MPH for a 50-mile trip, the message "Transmission Failure" displayed, and the check engine warning light illuminated. The transmission then inadvertently switched from automatic to manual transmission mode and became stuck in second gear. Additionally, the vehicle jerked and decelerated to 35 MPH while driving. The contact activated the hazard lights before pulling over to the right shoulder to turn off the vehicle. The vehicle was restarted, but the failure persisted. The contact stated that the vehicle was consuming an excessive amount of fuel very quickly. The contact was able to drive to the destination. The vehicle was taken to an independent mechanic, who retrieved DTC: P173500 (Electrical Malfunction with the Position Sensor for Clutch 1 in the Transmission). The vehicle was then taken to the dealer, but no cause for the failure was found. The...