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Service bulletin V401406 2028353

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 id10120323
Published by NHTSA2017-10-21
Manufacturer's numberV401406 2028353
Manufacturer's date2014-09-19
NHTSA componentSUSPENSION

NHTSA's summary

Technical Bulletin (Front Suspension Creaking Noise): This document informs of a Front suspension creaking noise during suspension cycles (going over speed bumps or entering on an inclined surface). This is due to the Coil Spring not being formed correctly and rubs against the perch of the strut. The production solution for this issue was Improved parts installed in production. This document discusses the "Fault Codes" necessary to diagnosis, and potential remedy of the issue. The fault codes for checking warranty coverage for servicing the vehicle are also available.

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

Suspension

Vehicles listed
VOLKSWAGEN PASSAT2011, 2012
VOLKSWAGEN PASSAT2014, 2015

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
V4016012043146_42025-12-05. Service bulletin. What is and what is not a leaking suspension strut.
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TT4413032023-07-05. Service bulletin. This Tech Tip provides an overview of vehicle four wheel alignment, and important steps that should be followed when performing four wheel alignments.