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Service bulletin 23N5

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 id10240595
Published by NHTSA2023-08-14
Manufacturer's number23N5
Manufacturer's date2014-12-16
NHTSA componentUNKNOWN OR OTHER; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE; ELECTRICAL SYSTEM:SOFTWARE; FUEL SYSTEM, DIESEL

NHTSA's summary

Some vehicles may experience exhaust turbocharger failure (under extreme cold weather conditions) in a brief time period after initial vehicle start up.

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, Engine, Fuel system, Engine control module, Software

Vehicles listed
VOLKSWAGEN PASSAT2012, 2013, 2014

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
9114132024-04-15. Service bulletin. Car-Net? Operating Control Unit (OCU/J949) Service Guidelines & General Information
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9114072024-04-15. Service bulletin. RNS 510 Welcome Screen Image Distorted
9114032024-04-15. Service bulletin. RNS 315 Navigation Radio Software Update for Locking, Rebooting, Switches Off at Random
9113202024-04-15. Service bulletin. DVD Customer Mailing
9113142024-04-15. Service bulletin. Car-Net? Operating Control Unit (OCU/J949) Service Guidelines & General Information
9113122024-04-15. Service bulletin. RNS 315 Hardware Failure
9113102024-04-15. Service bulletin. After switching ON the RNS 315 radio-navigation system, the message "Please insert software CD" appears and the unit will not operate.
UPDATE24AE2024-04-01. Service bulletin. 1.8T ECM/TCM Software
UPDATE23L32024-04-01. Service bulletin. TDI ECM/EDC Software