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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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10194516
Published by NHTSA2021-06-03
Manufacturer's number21TechRefGde526
Manufacturer's date2021-05-26
NHTSA componentBACK 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

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

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

Vehicles listed
AUDI A42021
AUDI A52021
AUDI A62021
AUDI A6 ALLROAD2021
AUDI A72021
AUDI A7 E2021
AUDI A8 L E2021
AUDI ALLROAD2021
AUDI AUDI
AUDI E-TRON2021
AUDI Q32021
AUDI Q52021
AUDI Q5 PHEV2021
AUDI Q72021
AUDI Q82021
AUDI R82021
AUDI RS 52021
AUDI RS 72021
AUDI RS Q82021
AUDI S42021
AUDI S52021
AUDI S62021
AUDI S72021
AUDI S82021
AUDI SQ52021
AUDI SQ72021
AUDI SQ82021
AUDI TT2021
AUDI TT RS2021
AUDI TTS2021

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
25V9000002025-12-19. BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
22V8060002022-10-26. EQUIPMENT:ELECTRICAL:INFOTAINMENT:VIDEO (TOUCH)SCREEN/MONITOR/UNIT; BACK OVER PREVENTION:DISPLAY FUNCTION
22V7420002022-10-05. BACK OVER PREVENTION:DISPLAY FUNCTION
21V8250002021-10-20. BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
A9023552055188_72023-12-06. Service bulletin. 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_82023-12-06. Service bulletin. This bulletin provides information for when there is a warning, warning jolt and/or brake engagement with Audi pre sense.
A9023522059891_52023-12-06. Service bulletin. This bulletin provides information for the Audi pre sense restricted function icon displayed after the engine is started.
A9123402071928_12023-11-06. Service bulletin. This bulletin provides information for when the MMI sidebar is missing in MIB3.
A4423002065474_42023-07-10. Service bulletin. 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_22023-07-10. Service bulletin. 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_32023-06-06. Service bulletin. 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_22023-04-06. Service bulletin. This bulletin provides information for when the virtual cockpit is distorted due a broken screen caused by outside influence.
A9023162064844_22023-04-06. Service bulletin. 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_52023-04-06. Service bulletin. This bulletin provides information for when the overhead camera cannot be calibrated.