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Service bulletin A2120352059258_1

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 id10174549
Published by NHTSA2020-05-07
Manufacturer's numberA2120352059258_1
Manufacturer's date2020-04-28
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER

NHTSA's summary

This bulletin contains instructions for diagnosing a damaged turbocharger and calling TAC.

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

Engine, Turbocharger or supercharger

Vehicles listed
AUDI A82017, 2018
AUDI RS 72017, 2018
AUDI S62017, 2018
AUDI S72017, 2018
AUDI S82017

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

Recalls for the same vehicles and component
22V1780002022-03-23. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER

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
A2120362044640_92020-12-04. Service bulletin. This bulletin contains repair instructions for when the engine cannot be started or it is difficult, there is unusual noises when accelerating and/or there is reduced engine performance.
A2119322034999_42019-07-09. Service bulletin. This informational bulletin contains an explanation for a discolored pipe.
A211931 2044640-2019-05-28. Service bulletin. This bulletin contains repair instructions for when the engine cannot be started or it is difficult, there is unusual noises when accelerating and/or there is reduced engine performance.
A211317 2034999-2017-12-05. Service bulletin. On 4.0l bi-turbo FSI engines, the pipe on the impeller side of the bank 2 turbocharger looks discolored when compared to the pipe on the bank 1 turbocharger. The crankcase breather is only connected to the bank 2 turbocharger inlet. Blow-by gases from the crankcase breather discolor the pipe. This is a normal condition.
A211623203499932017-03-17. Service bulletin. THIS TECHNICAL SERVICE BULLETIN EXPLAINS WHY THE IMPELLER SIDE OF THE BANK 2 TURBOCHARGER LOOKS DISCOLORED.