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Service bulletin B-23D6-C2

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 id10030393
Published by NHTSA2009-09-28
Manufacturer's numberB-23D6-C2
Manufacturer's date2009-05-01
NHTSA componentELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

AUDI: SOFTWARE UPDATE TO SUSPENSION CONTROL AND ADD SUNROOF TORX TOOL. *PE

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Electrical system, Software

Vehicles listed
AUDI A42008, 2009
AUDI A52008, 2009
AUDI Q52009

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

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