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Service bulletin V401403 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 id10120162
Published by NHTSA2017-10-21
Manufacturer's numberV401403 2028353
Manufacturer's date2014-06-24
NHTSA componentSUSPENSION; ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); ELECTRICAL SYSTEM

NHTSA's summary

Technical Bulletin (Front Suspension Creaking Noise): Front suspension creaking noise during suspension cycles (going over speed bumps or entering on an inclined surface). The Coil Spring is not formed correctly and rubs against the perch of the strut. The production solution for this issue was Improved parts installed in production since CW 18/14. This document informs on how to diagnoise the issue as well.

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

Driver assistance, Electrical system, Suspension

Vehicles listed
VOLKSWAGEN PASSAT2011, 2012
VOLKSWAGEN PASSAT2014

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

Recalls for the same vehicles and component
16V1710002016-03-24. ELECTRICAL SYSTEM:WIRING
20161322016-03-23. Electrical

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
VOS-26-422026-08-05. Service bulletin. This is a notice for software changes with the ODIS diagnostic program to correct the communication during vehicle programming function: A software fix is needed to correct the issue: DA 0019 - Hotfix 12-V battery test(s) – No battery diagnosis - Inconclusive test result.
VOS-26-152026-04-06. Service bulletin. This is a notice for software changes with the ODIS diagnostic program to correct the communication during vehicle programming function: A software fix is needed to correct multiple test plans: All basic settings test for the following components - Fill and bleed cooling system issue, N493, J338, Camshaft, V465 etc. Use this test for all the basic setting. You will need to select the component you need to run the basic settings. But there are also stand-alone tests for each of those components.
VOS-26-012026-02-06. Service bulletin. This is a notice for software changes with the ODIS diagnostic program to correct the communication during vehicle programming function: A software fix is needed to correct a test that is not reading any information from the battery data module (BDM) and will output:
V4016012043146_42025-12-05. Service bulletin. What is and what is not a leaking suspension strut.
V4616012043146_32025-08-05. Service bulletin. How to identify and when to replace a leaking strut
V4019012028353_122025-04-04. Service bulletin. Front suspension noisy, spring rubs on strut perch.
V2719012011894262024-09-06. Service bulletin. Battery testing
9613012024-04-15. Service bulletin. Keyless Entry Inoperative after Access / Start (KESSY) Module Replacement
9214022024-04-15. Service bulletin. Washer Level Sensor
9114132024-04-15. Service bulletin. Car-Net? Operating Control Unit (OCU/J949) Service Guidelines & General Information