2015 Audi A3 electrical system problems

17 owner complaints filed with NHTSA name the electrical system on the 2015 Audi A3 — 19% of all complaints for this model year.

Electrical System complaints

19%

share of all complaints

—

median reported incident mileage

0 / 0

crash / fire reports

What owners report

“Smelt like something was burning and the smell was coming out of vents. Looked online and found that people have been having issues with the auxiliary heater for the HVAC to help the car warm up faster. I check mine and found that the connector was staring to melt. Seems like it could be a…”
filed Dec 3, 2025
“My 2015 Audi A3 1.8T is experiencing the exact same failure symptoms and operational hazards as those described in Audi’s own Warranty Extension U49, which covers certain 2017 and 2018 Audi A3 and A3 Cabriolet 2.0 TFSI models. According to Audi’s bulletin, vehicles with faulty mechatronic units are…”
filed Aug 13, 2025

Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.

This bulletin provides informatoinw hent here are scratches or a coating on the cover of the instrument cluster, or particles inside of the housing.
TSB_2073747_4 · Service Bulletin/Repair Instructions · issued Jul 9, 2026
This bulletin provides information when there are noises from the area around the instrument cluster.
TSB_2059335_7 · Service Bulletin/Repair Instructions · issued Jun 23, 2026
This bulletin provides informationwhen noises/vibration are detected from front of vehicle in dynamic mode.
TSB_2074729_3 · Service Bulletin/Repair Instructions · issued Jun 23, 2026