Audi A4 2019 — technical service bulletin

Bulletin A9124052070942_3 · NHTSA communication 10254071 · issued Apr 26, 2024

Technical service bulletin

communication type

Electrical System

component

2019

model years

vehicle entries

Official summary

This bulletin provides information when there is no diagnostic communication to the control module (ConBox), DTC U142100.

Vehicles covered

2019 Audi A4
2019 Audi A4 Allroad
2019 Audi A5
2019 Audi A5 Cabriolet
2019 Audi A5 Sportback
2019 Audi A6
2019 Audi A7
2019 Audi Q5
2019 Audi RS 5
2019 Audi S4
2019 Audi S5
2019 Audi S5 Cabriolet
2019 Audi S5 Sportback
2019 Audi SQ5

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.