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Service bulletin A2723572058831_9

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 id10238212
Published by NHTSA2023-07-10
Manufacturer's numberA2723572058831_9
Manufacturer's date2023-06-14
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM); ELECTRICAL SYSTEM

NHTSA's summary

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.

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

Electrical system, Engine, Engine control module

Trouble codes named

P0CA7, U0469

Vehicles listed
AUDI A62019, 2020, 2021, 2022, 2023, 2024
AUDI A6 ALLROAD2020, 2021, 2022, 2023
AUDI A72019, 2020, 2021, 2022, 2023, 2024
AUDI A82019, 2020
AUDI A82021 to 2024
AUDI A8 L E2020
AUDI A8 L E2021
AUDI Q72020, 2021, 2022, 2023, 2024
AUDI Q82019, 2020, 2021, 2022, 2023, 2024

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
22V3680002022-05-23. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
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.
A5723282072187_22024-01-04. Service bulletin. This bulletin provides information when the message "B200096: Control module faulty, symptom 131164 stored in 0046 is stored.
A5723242072187_12023-12-06. Service bulletin. This bulletin provides information for when ghost fault "B200096: Control module faulty, symptom 131164" is stored in 0046.
A0123942072046_12023-12-06. Service bulletin. This bulletin provides information for when the MIL is illuminated and P060C00 is stored in the ECM.
A0123002072046_22023-12-06. Service bulletin. This bulletin provides information when the MIL is on; DTC P060C00 is stored in the ECM.
A0023802071338_32023-11-06. Service bulletin. This bulletin provides information for when a replacement control module cannot be coded.
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.
A0023722071338_12023-10-05. Service bulletin. This bulletin provides information for when a replacement control module is unable to be coded.