Audi A8 2019–2021 — technical service bulletin
Bulletin A1922322062951_2 · NHTSA communication 10224789 · issued Oct 21, 2022
Technical service bulletin
communication type
Back Over Prevention
component
2019–2021
model years
18
vehicle entries
Official summary
This bulletin contains repair instructions for DTCs P218100, P017B00, P017C00, and/or P017E00 when the red coolant warning lamp is on.
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.