Audi A4 2021–2022 — technical service bulletin
Bulletin A9123612062115_9 · NHTSA communication 10230844 · issued Jan 17, 2023
Technical service bulletin
communication type
Back Over Prevention
component
2021–2022
model years
27
vehicle entries
Official summary
This bulletin provides instructions for when a customer states that after an over-the-air navigation map update the navigation system is permanently initializing or the navigation map is incomplete or corrupt and DTC B126CF0 and/or B126CF1 may be stored in the electronics control module.
Vehicles covered
- 2021 Audi A4
- 2021 Audi A4 Allroad
- 2021 Audi A5
- 2021 Audi A5 Cabriolet
- 2021 Audi A6
- 2021 Audi A6 Allroad
- 2021 Audi A7
- 2021 Audi A7 E
- 2021 Audi A8
- 2021 Audi A8 L E
- 2021 Audi E-Tron
- 2022 Audi E-Tron GT
- 2021 Audi Q5
- 2021 Audi Q7
- 2021 Audi Q8
- 2021 Audi RS 5
- 2021 Audi RS 6 Avant
- 2022 Audi RS E-Tron GT
- 2021 Audi RS Q8
- 2021 Audi S4
- 2021 Audi S5
- 2021 Audi S5 Cabriolet
- 2021 Audi S6
- 2021 Audi S8
- 2021 Audi SQ5
- 2021 Audi SQ7
- 2021 Audi SQ8
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.