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Service bulletin TSB_2078846_2

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 id11027407
Published by NHTSA2026-01-07
Manufacturer's numberTSB_2078846_2
Manufacturer's date2025-12-18
NHTSA componentPOWER TRAIN

NHTSA's summary

This bulleitn provides information when there is a yellow warning lamp, drive system fault with DTC P284D00.

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

Transmission and driveline

Trouble codes named

P284D

Vehicles listed
AUDI A52025, 2026
AUDI Q52025, 2026
AUDI Q5 SPORTBACK2025 to 2026
AUDI S52025, 2026
AUDI SQ52025, 2026
AUDI SQ5 SPORTBACK2025, 2026 (the catalog's model; the bulletin names a series or trim of it)

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

Other bulletins for the same vehicles and component
TSB_2080077_42026-10-05. Service bulletin. This bulletin provides information when the gearbox warning light illuminates; drive system fault with event memory entry P060A00; P1FD700.
TSB_2080075_42026-10-05. Service bulletin. This TSB provides information when there is a drive system fault in the instrument clusteer, DTC P066700, symptom 20752, address: 0002.
TSB_2079998_52026-10-05. Service bulletin. This bulletin provides information when there is a drive system fault in the insrument cluster; DTC P071100 symptom 20756 - diagnostic address 0002.
TSB_2082948_12026-09-04. Service bulletin. This bulletin provides information when the transmission position cannot be selected.
TSB_2081071_32026-09-04. Service bulletin. This Pending Service Solution (PSS) requests that technicians enter a record in the PSS databse when there is functional issue in the gearbox control unit with DTC P187C00; SW Cluster 6.
TSB_2059057_152026-09-04. Service bulletin. This bulletin provides informatin when there is binding or vibrations in tight turns with quattro Ultra.
TSB_2081926_12026-06-04. Service bulletin. This Pending Service Solution (PSS) requests that technicians create a record in the PSS database in instances where the transmission position cannot be selected.
TSB_2074808_42026-06-04. Service bulletin. The high-voltage batteries in electric vehicles are subject to various ageing effects which could lead to the energy content (energy density) being reduced. This reduction in the energy content, which is due to factors. Revised header. Added Model years
TSB_2074806_52026-06-04. Service bulletin. This bulletin provides information when there are noises after selecting a ear while idling and the vehicle is stationary, or while driving.
TSB_2059057_142026-06-04. Service bulletin. This bulletin provides informatin when there is binding or vibrations in tight turns with quattro Ultra.