2021 Audi Q5 electrical system problems

26 owner complaints filed with NHTSA name the electrical system on the 2021 Audi Q5 — 37% of all complaints for this model year.

Electrical System complaints

37%

share of all complaints

—

median reported incident mileage

0 / 0

crash / fire reports

What owners report

“On 8/3/26, my 2021 Audi Q5 began throwing numerous different malfunction/error alerts and the engine turned off while driving after a bottle of water had partially spilled onto our backseat behind the drivers side. The vehicle was towed to a nearby mechanic who determined that liquid damaged the…”
filed Aug 20, 2026
“If I have a sensor that will malfunction due to water then there should be a water indicator alert. My sunroof vent was blocked and water went into my trunk where the core module is. I had just come to a red light to turn on to a major highway and my car began to smell like fuel. I rolled down the…”
filed Jun 22, 2026

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

This bulletin provides general information about the current tpp issues for Audi connect.
TSB_2082976_2 · Service Bulletin/Repair Instructions · issued Aug 27, 2026
This 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, 2026
This 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