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Service bulletin A201805 2043333-

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 id10150657
Published by NHTSA2018-12-10
Manufacturer's numberA201805 2043333-
Manufacturer's date2018-08-20
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

NHTSA's summary

This bulletin contains instructions for contacting TAC when the MIL is on and DTC P045100 is stored.

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, Exhaust and emissions

Trouble codes named

P0451

Vehicles listed
AUDI A62017, 2018

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
SM 35-20262026-09-04. 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_2051095_102026-03-03. Service bulletin. This bulletin provides information on the use of the Audi frequencly analysis app, and where the application can be downloaded.
TSB_2021205_102026-03-03. Service bulletin. This bulletin provides information on VIN Plates, Safety Certification labels, and the ordering procedures.
TSB_2060750_52026-02-06. Service bulletin. This bulletin provides information regarding UV leak additive for finding oil leaks.
TSB_2074640_22026-01-07. Service bulletin. This bulletin provides information when there is increased oil consumption; >0.5ltr/1000 km.
TSB_2073867_22025-06-03. Service bulletin. This bulletin provides information when DTC U14A00 Terminal 30 is stored in the ECM.
TSB_2075530_22025-04-04. Service bulletin. This bulletin provides informatin when the engine does not run smoothly at idling speeds.