Audi A3 2016–2019 — technical service bulletin

Bulletin A4820852053869_3 · NHTSA communication 10172605 · issued Mar 11, 2020

Technical service bulletin

communication type

Steering

component

2016–2019

model years

vehicle entries

Official summary

This bulletin contains repair instructions for when DTC B145504 with symptom code 7340800. 48 Steering wheel heater is not working, DTC B145504 is stored in the steering column control module.

Vehicles covered

2016 Audi A3
2017 Audi A3
2018 Audi A3
2019 Audi A3
2016 Audi A3 Sportback E-Tron
2017 Audi A3 Sportback E-Tron
2018 Audi A3 Sportback E-Tron
2016 Audi A4
2017 Audi A4
2018 Audi A4
2019 Audi A4
2016 Audi A5
2017 Audi A5
2018 Audi A5
2019 Audi A5
2016 Audi A5 Cabriolet
2017 Audi A5 Cabriolet
2018 Audi A5 Cabriolet
2019 Audi A5 Cabriolet
2016 Audi A6
2017 Audi A6
2018 Audi A6
2019 Audi A6
2016 Audi A7
2017 Audi A7
2018 Audi A7
2019 Audi A7
2016 Audi A8
2017 Audi A8
2018 Audi A8
2019 Audi A8
2019 Audi E-Tron
2016 Audi Q3
2017 Audi Q3
2018 Audi Q3
2019 Audi Q3
2016 Audi Q5
2017 Audi Q5
2018 Audi Q5
2019 Audi Q5
2016 Audi Q7
2017 Audi Q7
2018 Audi Q7
2019 Audi Q7
2019 Audi Q8
2016 Audi R8
2017 Audi R8
2018 Audi R8
2019 Audi R8
2018 Audi RS 5
2019 Audi RS 5
2016 Audi RS5
2017 Audi RS5
2016 Audi RS6
2017 Audi RS6
2018 Audi RS6
2019 Audi RS6
2016 Audi RS 7
2017 Audi RS 7
2018 Audi RS 7

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.