# Service bulletin 20A4S4ALRDTECREP

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 10169519
- Published by NHTSA: 2020\-01\-08
- Manufacturer's number: 20A4S4ALRDTECREP
- Manufacturer's date: 2019\-12\-18
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

Vehicle Preparation Section: ADDED: "Perform TSB 2058096/1 '91 Audi connect has no function, SOS LED is off, and SOS warning message in FPK'" 2020 A4 allroad

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2019/MC-10169519-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-10169519-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system

## Vehicles listed

- 2020 AUDI A4
- 2020 AUDI ALLROAD
- 2020 AUDI S4

## Other bulletins for the same vehicles and component

- [TSB\_2079214\_4](/bulletins/11038061.md), 2026-10-05, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides information regarding fault finding and repair information for electric tailgate.
- [TSB\_2068573\_6](/bulletins/11038032.md), 2026-10-05, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides information when the rear parking sensor sometimes does not work, rear parking sensor loose, rear parking sensor fault message.
- [TSB\_2082977\_1](/bulletins/11036974.md), 2026-09-04, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides informaiton when the airbag warning lamp is active, event memory "B200000 \- Faulty control module, symptom 305".
- [TSB\_2082976\_2](/bulletins/11036973.md), 2026-09-04, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides general information about the current tpp issues for Audi connect.
- [TSB\_2082976\_1](/bulletins/11036972.md), 2026-09-04, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides general information about the current tpp issues for Audi connect.
- [TSB\_2069331\_8](/bulletins/11036910.md), 2026-09-04, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides informaitn when there is a warning messsage; "Instrument cluster: fault. Limited warning messages. Please contact workshop"; DTC B200096.
- [TSB\_2064681\_6](/bulletins/11036905.md), 2026-09-04, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides information when there is an issue with wireless charging/wireless charging is not working.
- [TSB\_2073747\_4](/bulletins/11035810.md), 2026-08-05, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides informatoinw hent here are scratches or a coating on the cover of the instrument cluster, or particles inside of the housing.
- [TSB\_2069596\_3](/bulletins/11035804.md), 2026-08-05, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides information when the pop\-up for massage functions does not appear.
- [TSB\_2069331\_7](/bulletins/11034652.md), 2026-07-07, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides informaitn when there is a warning messsage; "Instrument cluster: fault. Limited warning messages. Please contact workshop"; DTC B200096.

JSON: [/v1/bulletins/10169519](/v1/bulletins/10169519)

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