# Service bulletin 21TechRefGde526

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: 10194516
- Published by NHTSA: 2021\-06\-03
- Manufacturer's number: 21TechRefGde526
- Manufacturer's date: 2021\-05\-26
- NHTSA component: BACK OVER PREVENTION; TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM\(GLOBAL POSITIONING SYSTEM\)

## NHTSA's summary

All models except Q3, R8, and TT: Settings Section: Split Verify and set language \& measurements checklist items into 2 separate with instructions. Changed instructions for "Set Entertainment Fad in Parking aid", " Set Music volune while parking to Medium", and "Turn off Manual Seed Warning". Media/Radio/Sat Section: Changed instructions for "Verify HD Radio is turned "off". On\-Hoist Inspection Section: Changed where to store tire pressures for Set and store tirepressures" to "Home \> Vehicle \> Settings \& Service \> Tire pressure monitoring". Audi connect Section: Changed instructions for "Turn on the Wi\-Fi hotspot", Check Wi\-Fi hotspot visibility", and Enable satellite map view for navigation"

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10194516-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10194516-9999.pdf)

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

## Components

Driver assistance, Equipment and accessories, Tires, Backup camera, Tire pressure monitoring

## Vehicles listed

- 2021 AUDI A4
- 2021 AUDI A5
- 2021 AUDI A6
- 2021 AUDI A6 ALLROAD
- 2021 AUDI A7
- 2021 AUDI A7 E
- 2021 AUDI A8 L E
- 2021 AUDI ALLROAD
- AUDI AUDI
- 2021 AUDI E\-TRON
- 2021 AUDI Q3
- 2021 AUDI Q5
- 2021 AUDI Q5 PHEV
- 2021 AUDI Q7
- 2021 AUDI Q8
- 2021 AUDI R8
- 2021 AUDI RS 5
- 2021 AUDI RS 7
- 2021 AUDI RS Q8
- 2021 AUDI S4
- 2021 AUDI S5
- 2021 AUDI S6
- 2021 AUDI S7
- 2021 AUDI S8
- 2021 AUDI SQ5
- 2021 AUDI SQ7
- 2021 AUDI SQ8
- 2021 AUDI TT
- 2021 AUDI TT RS
- 2021 AUDI TTS

## Recalls for the same vehicles and component

- [25V900000](/recalls/nhtsa/25V900000.md), 2025-12-19: BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
- [22V806000](/recalls/nhtsa/22V806000.md), 2022-10-26: EQUIPMENT:ELECTRICAL:INFOTAINMENT:VIDEO \(TOUCH\)SCREEN/MONITOR/UNIT; BACK OVER PREVENTION:DISPLAY FUNCTION
- [22V742000](/recalls/nhtsa/22V742000.md), 2022-10-05: BACK OVER PREVENTION:DISPLAY FUNCTION
- [21V825000](/recalls/nhtsa/21V825000.md), 2021-10-20: BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

## Other bulletins for the same vehicles and component

- [A9023552055188\_7](/bulletins/10245692.md), 2023-12-06, Service bulletin: BACK OVER PREVENTION: CAMERA SYSTEM. This bulletin provides information for when the individual overhead view cameras are inoperative, the picture is blurry or fogged up, DTCs B200FFA, B127C04, C12AE02.
- [A9023532058077\_8](/bulletins/10245688.md), 2023-12-06, Service bulletin: SERVICE BRAKES; BACK OVER PREVENTION: WARNINGS. This bulletin provides information for when there is a warning, warning jolt and/or brake engagement with Audi pre sense.
- [A9023522059891\_5](/bulletins/10245687.md), 2023-12-06, Service bulletin: BACK OVER PREVENTION:DISPLAY FUNCTION. This bulletin provides information for the Audi pre sense restricted function icon displayed after the engine is started.
- [A9123402071928\_1](/bulletins/10244590.md), 2023-11-06, Service bulletin: BACK OVER PREVENTION:DISPLAY FUNCTION; EQUIPMENT:ELECTRICAL:INFOTAINMENT. This bulletin provides information for when the MMI sidebar is missing in MIB3.
- [A4423002065474\_4](/bulletins/10238312.md), 2023-07-10, Service bulletin: TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS; EQUIPMENT:ELECTRICAL:INFOTAINMENT. This bulletin provides information for when there is a TPMS message in the instrument cluster, or the TPMS light is on, and DTC U012700 is stored in the data bus control module.
- [A9023292069244\_2](/bulletins/10238183.md), 2023-07-10, Service bulletin: ELECTRICAL SYSTEM:ADAS:DRIVER MONITORING:CAMERA/SENSOR; BACK OVER PREVENTION: SENSING SYSTEM: CAMERA; LANE DEPARTURE: SENSING SYSTEM: CAMERA. This bulletin provides information for when the intersection assist arrows flicker for a short period after the vehicle has started, or various other driver assist warnings; DTCs C12D5FA, B200FF9, and/or B107A16 may be stored.
- [A9323142068630\_3](/bulletins/10237409.md), 2023-06-06, Service bulletin: ELECTRICAL SYSTEM; BACK OVER PREVENTION:SOFTWARE. This bulletin provides a software update for instances where the drive system warning comes on in the driver information system, and DTC U041300 is stored in the ECM.
- [A9023182065960\_2](/bulletins/10233636.md), 2023-04-06, Service bulletin: BACK OVER PREVENTION:DISPLAY FUNCTION. This bulletin provides information for when the virtual cockpit is distorted due a broken screen caused by outside influence.
- [A9023162064844\_2](/bulletins/10233628.md), 2023-04-06, Service bulletin: STRUCTURE:BODY:DOOR; BACK OVER PREVENTION:DISPLAY FUNCTION. This bulletin provides instructions for when the Audi virtual cockpit display remains blank when the driver's door is opened and the driver enters the vehicle. After the ignition is switched off and back on, the display may return to normal operation, but may also remain black.
- [A9023142055188\_5](/bulletins/10233621.md), 2023-04-06, Service bulletin: BACK OVER PREVENTION: CAMERA SYSTEM. This bulletin provides information for when the overhead camera cannot be calibrated.

JSON: [/v1/bulletins/10194516](/v1/bulletins/10194516)

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