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Service bulletin A1923472072473_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 id10248154
Published by NHTSA2024-01-04
Manufacturer's numberA1923472072473_1
Manufacturer's date2023-12-21
NHTSA componentENGINE AND ENGINE COOLING:ENGINE; UNKNOWN OR OTHER

NHTSA's summary

This bulletin provides information for when the red coolant warning lamp comes on, or if there is a coolant leak at the turbocharger.

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

Vehicles listed
AUDI A82019, 2020
AUDI A82021
AUDI S82020, 2021, 2022, 2023

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

Recalls for the same vehicles and component
21V1110002021-02-24. ENGINE; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)

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
TSB_2081030_42026-10-05. Service bulletin. This bulletin provides information when there is an abnormal knocking noise from the engine compartment; V6 3.0L TFSI.
TSB_2069531_22026-10-05. Service bulletin. This bulletin provides information when the MIL is on, EVAP pressure/temp sensor incorrect DTC displayed: P202400, P045000, P045200, P24D600, P24D800, P2B7B00.
TSB_2081030_32026-09-04. Service bulletin. This bulletin provides information when there is an abnormal engine knocking noise from the engine compartment; V6 3.0L TFSI.
TSB_2079209_32026-09-04. Service bulletin. This bulletin provides information when the exhuast emissions warning lamp is on P0299.
SM 34-20262026-09-04. Other. This special notice is to inform dealers to return the parts listed and only order the successor parts going forward.
TSB_2082323_12026-07-07. Service bulletin. This bulletin provides informaiton when the engine is not running smoothly, misfiring.
TSB_2074640_32026-07-07. Service bulletin. This bulletin provides information when there is increased oil consumption; >0.5ltr/1000 km.
TSB_2073867_32026-07-07. Service bulletin. This bulletin provides information when DTC U140A00 Terminal 30 is stored in the ECM.
TSB_2072473_32026-07-07. Service bulletin. This bulletin provides informaiotn when the red coolant warning lamp comes on or coolang leak at turbocharger.
TSB_2081030_22026-05-05. Service bulletin. This bulletin provides information when there is an abnormal engine knocking noise from the engine compartment; V6 3.0L TFSI.