2020 Audi A4 electrical system problems
91 owner complaints filed with NHTSA name the electrical system on the 2020 Audi A4 — 72% of all complaints for this model year.
What owners report
“My 2020 Audi A4 has an open safety recall campaign. Audi Corporate and my local dealership are formally refusing to perform the recall remedy unless I pay over $2,000 out-of-pocket to replace a broken J949 SOS Telematics Module. The manufacturer claims the module is separate from the recall, but…”
filed Aug 12, 2026
“The contact owns a 2020 Audi A4. The contact stated that while driving at an undisclosed speed, the message SOS module no longer connected was displayed on the instrument panel, and the vehicle failed to shut off. The contact believed that the failure was a safety issue due to the loss of…”
filed Aug 11, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
This bulletin provides general information about the current tpp issues for Audi connect.
TSB_2082976_2 · Service Bulletin/Repair Instructions · issued Aug 27, 2026This bulletin provides informaitn when there is a warning messsage; "Instrument cluster: fault. Limited warning messages. Please contact workshop"; DTC B200096.
TSB_2069331_8 · Service Bulletin/Repair Instructions · issued Aug 26, 2026This bulletin provides information when there is an issue with wireless charging/wireless charging is not working.
TSB_2064681_6 · Service Bulletin/Repair Instructions · issued Aug 21, 2026
Electrical System problems in other A4 years
| Year | Reports | Share |
|---|---|---|
| 2018 A4 | 17 | 39% |
| 2017 A4 | 6 | 11% |
| 2015 A4 | 3 | 16% |
| 2014 A4 | 3 | 9% |
| 2013 A4 | 2 | 8% |
| 2012 A4 | 2 | 11% |
| 2010 A4 | 2 | 3% |
| 2009 A4 | 3 | 3% |
| 2008 A4 | 9 | 5% |
| 2007 A4 | 10 | 5% |
| 2006 A4 | 21 | 7% |
| 2005 A4 | 24 | 11% |
Other reported problem areas on the 2020 Audi A4
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.