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Service bulletin A0121092053040_3

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 id10200701
Published by NHTSA2021-09-02
Manufacturer's numberA0121092053040_3
Manufacturer's date2021-08-27
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE

NHTSA's summary

This bulletin contains a software update for DTC P050A00 and/or P050700 stored in the ECM.

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, Engine control module

Trouble codes named

P0507, P050A

Vehicles listed
AUDI A62018

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
A2722412058831_42022-04-05. Service bulletin. This bulletin contains a software update for DTC P0CA700 or U046900.
A1922292058767_82022-04-05. Service bulletin. This bulletin contains instructions for DTCs P218100, P017B00, P308100, and P01E400.