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Service bulletin A481775 2049656-

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 id10133249
Published by NHTSA2018-04-16
Manufacturer's numberA481775 2049656-
Manufacturer's date2017-12-05
NHTSA componentSTEERING; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

NHTSA's summary

This bulletin contains a software update to address DTC C115C54 , C110EF0, or U042800 with a yellow steering lamp warning on in the DIS.

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, Steering, Instrument cluster

Trouble codes named

C110E, C115C, U0428

Vehicles listed
AUDI A4 ALLROAD2017, 2018
AUDI A52018

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
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A9023322059335_42023-08-04. Service bulletin. This bulletin provides information for when there is noise from the area around the instrument cluster.
A4323742059665_52023-06-06. Service bulletin. This bulletin provides an SVM update for when the warning light for the suspension appears in the instrument cluster, and the SVM registers an unknown event when carrying out "Check control unit configuration" and cannot be automatically parameterized.
A4323732051336_72023-06-06. Service bulletin. This bulletin advises that if the warning lamp for the damper control in the instrument cluster is on, and DTC B200FF0 is stored to delete the DTC and perform suspension basic settings.
A3923542048671_62023-06-06. Service bulletin. This bulletin provides a software update for when "All Wheel Drive Malfunction Message" is displayed in the instrument cluster and DTC U030000 is logged.
A9022582059335_32022-05-05. Service bulletin. This bulletin contains information on noises from the instrument cluster installation area.
A3921452048671_52021-12-07. Service bulletin. This bulletin contains instructions for when DTC U030000 appears and “All Wheel Drive Malfunction Message” is displayed in the instrument cluster.
A9021982059335_22021-05-06. Service bulletin. This bulletin contains information on noises from the instrument cluster installation area.
A9021992063038_12021-05-06. Service bulletin. This informational bulletin explains why the version information pops-up.
A3921422051558_62021-04-06. Service bulletin. This bulletin contains repair instructions for when the message "four-wheel drive malfunction" shows up sporadically in the instrument cluster with DTC C05ED00.