Audi A5 2025–2026 — technical service bulletin
Bulletin TSB_2081427_3 · NHTSA communication 11032178 · issued Apr 30, 2026
Technical service bulletin
communication type
Electrical System
component
2025–2026
model years
13
vehicle entries
Official summary
This bulletin provides informaiton when there is an error in Thermal management 00C5: MIL on, P1A7B00 Control module 1 for radiator fan, incorrect component installed.
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.