Audi Q5 2018–2022 — technical service bulletin
Bulletin A9721812064805_1 · NHTSA communication 10203175 · issued Nov 3, 2021
Technical service bulletin
communication type
Electrical System
component
2018–2022
model years
13
vehicle entries
Official summary
This bulletin contains repair instructions for when the vehicle cannot be started or the ignition cannot be turned on and fuse S164 had been blown.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.