Audi A4 2019–2020 — technical service bulletin
Bulletin TSB_2056076_22 · NHTSA communication 11016511 · issued Mar 6, 2025
Technical service bulletin
communication type
Electrical System
component
2019–2020
model years
45
vehicle entries
Official summary
This bulletin provides information when there is an SOS Malfunction with ConBox Low, "Emergency call function: fault", (DTC U142100, U153E00).
Vehicles covered
- 2019 Audi A4
- 2020 Audi A4
- 2019 Audi A4 Allroad
- 2020 Audi A4 Allroad
- 2019 Audi A5
- 2020 Audi A5
- 2019 Audi A5 Cabriolet
- 2020 Audi A5 Cabriolet
- 2019 Audi A5 Sportback
- 2020 Audi A5 Sportback
- 2019 Audi A6
- 2020 Audi A6
- 2020 Audi A6 Allroad
- 2019 Audi A7
- 2020 Audi A7
- 2019 Audi A8
- 2020 Audi A8
- 2020 Audi A8 L E
- 2019 Audi E-Tron
- 2020 Audi E-Tron Sportback
- 2019 Audi Q5
- 2020 Audi Q5
- 2020 Audi Q5 E
- 2019 Audi Q7
- 2020 Audi Q7
- 2019 Audi Q8
- 2020 Audi Q8
- 2019 Audi RS 5
- 2019 Audi RS 5 Sportback
- 2020 Audi RS Q8
- 2019 Audi S4
- 2020 Audi S4
- 2019 Audi S5
- 2020 Audi S5
- 2019 Audi S5 Cabriolet
- 2020 Audi S5 Cabriolet
- 2019 Audi S5 Sportback
- 2020 Audi S5 Sportback
- 2020 Audi S6
- 2020 Audi S7
- 2020 Audi S8
- 2019 Audi SQ5
- 2020 Audi SQ5
- 2020 Audi SQ7
- 2020 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.