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Service bulletin Circ_27K2_REV1

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 id10232106
Published by NHTSA2023-03-06
Manufacturer's numberCirc_27K2_REV1
Manufacturer's date2023-02-22
NHTSA componentELECTRICAL SYSTEM:12V/24V/48V BATTERY

NHTSA's summary

SERV_ACT - 12V Battery Control Module Software - REVISION

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, 12-volt battery

Vehicles listed
AUDI E-TRON GT2022

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
A2723622069747_52023-12-06. Service bulletin. This bulletin provides information on document requirements before replacement of the vehicle 12 V battery when it is is drained.
A0023792069572_22023-11-06. Service bulletin. This bulletin provides information related to battery recovery and charging requirements for service and showroom.
A2723612067906_42023-11-06. Service bulletin. This bulletin provides information for when DTC P0A7D00 is stored.
A9323302071488_12023-10-05. Service bulletin. This bulletin provides information for when the vehicle does not start, and DTC P0A9500 high voltage fuse is stored in the Battery Manager.
Dealer 27K2_REV12023-03-06. Service bulletin. SERV_ACT - 12V Battery Control Module Software - REVISION
Dealer 27K22023-03-06. Service bulletin. SERV_ACT - 12V Battery Control Module Software
Circular 27K22023-03-06. Service bulletin. SERV_ACT - 12V Battery Control Module Software
Dealer 97GG2022-04-05. Service bulletin. Securing Positive Battery Terminal
Bulletin 97GG2022-04-05. Service bulletin. Securing Positive Battery Terminal
A9322682063427_22022-03-04. Service bulletin. This bulletin contains instructions for when the diagnostic address changes when the high-voltage battery charger control module is replaced.