Audi Q5 2021–2024 — technical service bulletin
Bulletin Dealer 931K · NHTSA communication 11032125 · issued Apr 1, 2026
Technical service bulletin
communication type
Unknown OR Other
component
2021–2024
model years
4
vehicle entries
Official summary
A software update for the high-voltage battery that contains quality improvement measures is available for Audi Q5 PHEV vehicles. The new software optimizes the diagnostic functions in the battery, enables the battery modules to be analyzed more precisely and increases the repair depth of the battery modules.
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.