Audi Q4 E-Tron 2022–2024 — technical service bulletin
Bulletin A9323312068363_4 · NHTSA communication 10243974 · issued Oct 2, 2023
Technical service bulletin
communication type
Electrical System
component
2022–2024
model years
3
vehicle entries
Official summary
This bulletin provides information for when DTCs P0C4A00, P2B2800, and/or P0CFF00 is stored in the Hybrid Battery Management control unit.
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.