2021 Audi e-tron Problems: 4 Issues Every Owner Should Know
2021 model year · 174+ owner reports · Updated July 2026
According to Au7o's analysis of 174+ owner reports, the 2021 Audi e-tron has 4 documented known issues, with 3 rated critical. The most serious are 2019-2022 e-tron Coolant Valve N632 Leak in Cold Conditions - Diagnosis Required, 2019-2022 e-tron High-Voltage Battery Self-Discharge / Fire Risk - Recall 23V867 and 2021 e-tron Charging Interruptions with Onboard-Charger Software 0070 - Diagnosis Required. The most commonly reported issue is 2019-2022 e-tron Coolant Valve N632 Leak in Cold Conditions - Diagnosis Required with 174 owner reports. DIY maintenance guides at au7o.io.