WenmarOpen by Wenmar Pro

Service bulletin A0123402067756_2

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 id10231559
Published by NHTSA2023-03-06
Manufacturer's numberA0123402067756_2
Manufacturer's date2023-02-02
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

This bulletin provides instructions for when the engine oil sensor warning lamp comes on and DTC P052100 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

Trouble codes named

P0521

Vehicles listed
AUDI RS 32022, 2023

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
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_2067757_42026-04-07. Service bulletin. This bulletin provides information when there is a drive system fault/engine won't start; either no DTC, or DTC P0191, P0087.
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.
SM 57-20252025-12-05. Other. This special notice is to inform dealers to return the parts listed and only order the successor parts going forward.
TSB_2077640_22025-11-08. Service bulletin. This bulletin provides information when there is an emissions warning lamp on, incorrect purge flow, P0441.