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Service bulletin A9323312068363_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 id10243974
Published by NHTSA2023-11-06
Manufacturer's numberA9323312068363_4
Manufacturer's date2023-10-02
NHTSA componentELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT:POWER CONTROL UNIT/MODULE (HPCU)

NHTSA's summary

This bulletin provides information for when DTCs P0C4A00, P2B2800, and/or P0CFF00 is stored in the Hybrid Battery Management control unit.

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, Hybrid and electric drive

Trouble codes named

P0C4A, P0CFF, P2B28

Vehicles listed
AUDI Q4 E-TRON2022 to 2024

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