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Service bulletin A571846 2051540-

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 id10145650
Published by NHTSA2018-10-15
Manufacturer's numberA571846 2051540-
Manufacturer's date2018-07-16
NHTSA componentSTRUCTURE:BODY:DOOR; ELECTRICAL SYSTEM; LATCHES/LOCKS/LINKAGES:DOORS:LATCH

NHTSA's summary

This bulletin contains a software update that addresses when the power closing door latch system intermittently does not work with DTC B122D29 stored.

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

Body and frame, Electrical system, Latches and locks, Door latch

Trouble codes named

B122D

Vehicles listed
AUDI Q72017, 2018

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
A5723102058159_52023-07-10. Service bulletin. This bulletin provides information for when the power closing door latch is intermittently inoperative.
A5722892058159_42022-02-04. Service bulletin. This bulletin describes the repair instructions in the instance of intermittent lack of function to the power closing door latch
A5721832058159_32021-10-05. Service bulletin. This bulletin contains repair instructions for when the power closing door latch intermittently does not work.
A5720632058159_12020-02-08. Service bulletin. This bulletin contains repair instructions for when the power closing door latch intermittently does not work.
A571953 205154-42019-04-15. Service bulletin. This bulletin contains a software update that addresses when the power closing door latch system intermittently does not work with DTC B122D29 stored.
A571953 205154-42019-04-08. Service bulletin. This bulletin contains a software update that addresses when the power closing door latch system intermittently does not work with DTC B122D29 stored.
A571953 205154-42019-04-01. Service bulletin. This bulletin contains a software update that addresses when the power closing door latch system intermittently does not work with DTC B122D29 stored.
A571851 20515402019-02-25. Service bulletin. This bulletin contains a software update that addresses when the power closing door latch system intermittently does not work with DTC B122D29 stored.
A641857 2051540-2018-09-17. Service bulletin. This bulletin contains a software update that addresses when the power closing door latch system intermittently does not work with DTC B122D29 stored.