WenmarOpen by Wenmar Pro

Service bulletin A1923412062951_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 id10242911
Published by NHTSA2023-10-05
Manufacturer's numberA1923412062951_3
Manufacturer's date2023-09-07
NHTSA componentENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)

NHTSA's summary

This bulletin provides information for when the red coolant warning lamp is on and the DTCs P218100, P017B00, P017C00, and/or P017E00 are 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

P017B, P017C, P017E, P2181

Vehicles listed
AUDI A82019, 2020
AUDI A82021
AUDI RS 6 AVANT2021
AUDI RS 72021
AUDI RS Q82020, 2021
AUDI S82019
AUDI S82020, 2021
AUDI SQ72020, 2021
AUDI SQ82020, 2021

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
A1324232060876_22024-03-06. Service bulletin. This bulletin provides information for when the MIL is illuminated; DTC P030000 is stored in the ECM, and corrosion marks are on the cylinder walls.
A0123932068506_22023-12-06. Service bulletin. This bulletin provides information for when the MIL is illuminated and P060C00 is stored in the ECM.
A2723602067906_32023-10-05. Service bulletin. This bulletin provides information for when DTC P0A7D00 is stored.
A2723572058831_92023-07-10. Service bulletin. This bulletin provides information for when there is a 48V electrical system warning; DTC P0CA700, U046900 is stored in the starter/generator control module/ECM.
A2023522065287_62023-02-07. Service bulletin. This bulletin provides instructions for when the MIL is on and DTC P044200 and/or P045600 is stored in the ECM.
Circular 24ii2023-01-06. Service bulletin. ECM Software
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.
A2022402065287_22022-02-04. Service bulletin. This bulletin describes the repair procedure to address an internal defect in the EVAP leak detection pump causing false leak detection.
A2021392065287_12022-01-05. Service bulletin. There is an internal defect in the EVAP leak detection pump causing false leak detection.