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Service bulletin A2722412058831_4

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 id10208897
Published by NHTSA2022-04-05
Manufacturer's numberA2722412058831_4
Manufacturer's date2022-03-02
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)

NHTSA's summary

This bulletin contains a software update for DTC P0CA700 or U046900.

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

P0CA7, U0469

Vehicles listed
AUDI A62018, 2019, 2020, 2021
AUDI A6 ALLROAD2020, 2021
AUDI A72018, 2019, 2020, 2021
AUDI A7 E2021
AUDI A82018, 2019, 2020
AUDI A82021
AUDI A8 L E2020
AUDI A8 L E2021
AUDI Q82019, 2020, 2021
AUDI R82018
AUDI R82020, 2021
AUDI RS 6 AVANT2021
AUDI RS 72018
AUDI RS Q82020, 2021
AUDI S62018
AUDI S62020, 2021
AUDI S72018
AUDI S72020, 2021
AUDI S82018
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
A0124112062323_32024-04-04. Service bulletin. This bulletin provides information when the car jerks/bucks, or hesitates while driving; DTCs P023600 and/or P010600 are stored in the ECM.
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.
A1923412062951_32023-10-05. Service bulletin. 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.
A0123712071203_12023-09-01. Service bulletin. This Pending Service Solution requests that a PSS record be created when the MIL Drive System: Fault is stored in the ECM with DTC P06C00, P060600, or P0A0F00.
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.
A9323102068630_22023-06-06. Service bulletin. This bulletin provides a software update for instances where the drive system warning comes on in the driver information system, and DTC U041300 is stored in the ECM.
A1323172061461_72023-04-06. Service bulletin. This bulletin provides instructions for when there is a grinding/squeaking/tweeting noise coming from the engine compartment OR there is a message in the driver information system stating "Electrical system Malfunction! Please go to workshop". DTC P2BA300 may be stored.
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.