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Service bulletin TT 27-15-01

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 id10121279
Published by NHTSA2017-10-31
Manufacturer's numberTT 27-15-01
Manufacturer's date2015-01-30
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)

NHTSA's summary

Tech Tips: No Crank, No Start After Cold Soak

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

Engine, Exhaust and emissions, Crankcase ventilation (PCV)

Vehicles listed
VOLKSWAGEN JETTA2014, 2015
VOLKSWAGEN PASSAT2014, 2015
VOLKSWAGEN TOUAREG2014, 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
TT 01 18 142019-06-11. Service bulletin. Alternative diagnosis for lean fuel trim.
Timing Chain Cla2018-12-03. Service bulletin. Timing Chain Class Action Update
V011508 20401712017-10-31. Service bulletin. Technical Bulletin: This document refers to the camshaft adjuster control valve which may stick causing camshaft position faults. This document contains the trouble shooting codes in order to service this issue
TT 01-15-072016-07-07. Service bulletin. Correction to fault code