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Service bulletin DEALER LETTER

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 id10106781
Published by NHTSA2017-06-16
Manufacturer's numberDEALER LETTER
Manufacturer's date2015-05-24
NHTSA componentENGINE; ELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

ON AUDI A8 VEHICLES WITH W12 ENGINE MANUFACTURED WITHIN A SPECIFIC PERIOD, THE ENGINE TORQUE MONITORING SYSTEM MAY INDICATE A FAULT IN CYLINDER DEACTIVATION MODE (CYLINDER ON DEMAND).

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, Engine, Software

Vehicles listed
AUDI A82015, 2016

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

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