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Service bulletin A3819172049498_4

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 id10168619
Published by NHTSA2019-12-06
Manufacturer's numberA3819172049498_4
Manufacturer's date2019-11-14
NHTSA componentPOWER TRAIN

NHTSA's summary

This bulletin contains repair instructions for when the all wheel drive coupling is stuck on or doesn't engage without DTCs stored. Also Audi 2015 and 2016 A3 Cabriolet.

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

Vehicles listed
AUDI A32015, 2016
AUDI Q32015, 2016
AUDI S32015, 2016
AUDI TT2013, 2014, 2015, 2016

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
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A0124442075010_22024-12-04. Service bulletin. This bulletin provides information when the engine warning lamp lights up in the instrument cluster, and the vehicle has reduced power. DTCs P256300, P056E00, P00AF00.
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A0124392075010_12024-10-28. Service bulletin. This bulletin provides information when the engine warning lamp lights up in the instrument cluster, and the vehicle has reduced power. DTCs P256300, P056E00, P00AF00.
A3724222074826_12024-09-06. Service bulletin. This bulletin offers information about the basic information needed for technical requests for gaerbox complaints.
A3724222074826_12024-09-06. Service bulletin. This bulletin offers information about the basic information needed for technical requests for gaerbox complaints.
A4824682028220_112024-08-06. Service bulletin. This bulletin provides information when there is visual damage on the steering wheel.
A3724162074802_12024-08-06. Service bulletin. This bulletin provides information for when there is a leak from the end cover of the dual clutch.