# Service bulletin 21A6S6TECHREPRT

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: 10194405
- Published by NHTSA: 2021\-06\-02
- Manufacturer's number: 21A6S6TECHREPRT
- Manufacturer's date: 2021\-05\-26
- NHTSA component: ELECTRICAL SYSTEM; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT

## NHTSA's summary

Settings Section Split "Verify and Set language \& Vehicle Measurements" into two separate checklist items. Post\-Road Test Inspection Section: Added "See TSB 2061028" to the end of The vehicle must not be delivered to the customer if the emergency call function has not been successfully activated \(LED lights up in green\).

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10194405-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10194405-9999.pdf)

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

## Components

Electrical system, Equipment and accessories, Labels and manuals

## Vehicles listed

- 2021 AUDI A6
- 2021 AUDI A6 ALLROAD
- 2021 AUDI RS 6 AVANT
- 2021 AUDI S6

## Recalls for the same vehicles and component

- [25V201000](/recalls/nhtsa/25V201000.md), 2025-03-31: ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
- [2022660](/recalls/tc/2022660.md), 2022-11-21: Electrical
- [22V861000](/recalls/nhtsa/22V861000.md), 2022-11-21: ELECTRICAL SYSTEM
- [22V806000](/recalls/nhtsa/22V806000.md), 2022-10-26: EQUIPMENT:ELECTRICAL:INFOTAINMENT:VIDEO \(TOUCH\)SCREEN/MONITOR/UNIT; BACK OVER PREVENTION:DISPLAY FUNCTION
- [22V155000](/recalls/nhtsa/22V155000.md), 2022-03-14: ELECTRICAL SYSTEM:INSTRUMENT PANEL:FUEL GAUGE:FUEL LEVEL FLOAT/SENSOR/SENDING UNIT
- [20V749000](/recalls/nhtsa/20V749000.md), 2020-12-02: AIR BAGS:SENSOR:SIDE IMPACT; ELECTRICAL SYSTEM

## Other bulletins for the same vehicles and component

- [TSB\_2083385\_1](/bulletins/11038127.md), 2026-10-05, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides information when there is a warning message in the instrument cluster about external sound.
- [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\_2076396\_3](/bulletins/11038046.md), 2026-10-05, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides information regarding driver assist systems; Audi adaptive light, Audi pre sense system fault, adaptive cruise assist inop \(DTC C12D5FA\).
- [TSB\_2074059\_4](/bulletins/11038040.md), 2026-10-05, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides general information about SOS Emergency Assist.
- [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\_2063336\_5](/bulletins/11038030.md), 2026-10-05, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides information when DTC C12BFF0 is stored in the lane change modeul or the radar sensor; intersection assist/lane change assist are inoperable.
- [TSB\_2058077\_11](/bulletins/11038029.md), 2026-10-05, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides information when there is an Audi pressense warning, warning jolt, and/or brake engagement.
- [TSB\_2054202\_8](/bulletins/11038028.md), 2026-10-05, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides information when there is an Audi adaptive light system malfunction; DTC C12B3FA is stored in the control module for driver assistance systems.
- [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.

JSON: [/v1/bulletins/10194405](/v1/bulletins/10194405)

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