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Service bulletin TT 20-09-06

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 id10124482
Published by NHTSA2017-12-05
Manufacturer's numberTT 20-09-06
Manufacturer's date2014-08-29
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; FUEL SYSTEM, DIESEL

NHTSA's summary

Tech Tips (TDI Engine - N75 Solenoid Valve Diagnosis): This document informs with graphical aid the testing of the N75 Solenoid Valve in the event of a turbocharger fault code such as P0299 or P0234. This applies to Mechanical Injection Style Diesel Engines, Pumpe Duse Style Diesel Engines and the new Common Rail Style Diesel Engines.

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, Fuel system, Turbocharger or supercharger

Trouble codes named

P0234, P0299

Vehicles listed
VOLKSWAGEN BEETLE2000, 2001, 2002, 2003, 2004, 2005
VOLKSWAGEN BEETLE2012, 2013, 2014
VOLKSWAGEN BEETLE CONVERTIBLE2013, 2014 (the catalog's model; the bulletin names a series or trim of it)
VOLKSWAGEN GOLF2000, 2001, 2002, 2003, 2004, 2005, 2006
VOLKSWAGEN GOLF2010, 2011, 2012, 2013, 2014
VOLKSWAGEN GTI2000, 2001, 2002, 2003
VOLKSWAGEN GTI2004
VOLKSWAGEN GTI2005
VOLKSWAGEN JETTA2000, 2001, 2002, 2003, 2004, 2005, 2006
VOLKSWAGEN JETTA2009, 2010, 2011, 2012, 2013, 2014
VOLKSWAGEN JETTA SPORTWAGEN2005 (the catalog's model; the bulletin names a series or trim of it)
VOLKSWAGEN JETTA SPORTWAGEN2009, 2010, 2011, 2012, 2013, 2014
VOLKSWAGEN PASSAT2004, 2005
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
TT9014012024-04-01. Service bulletin. Beetle Turbo-Oil Temperature Gauge Operation
VWP14052024-02-26. Service bulletin. Turbocharger Limited Warranty Extension
2114062023-07-31. Service bulletin. Check Engine Light ON, Reduced Performance or Noise from Turbocharger. DTC P0299 may be stored in ECM.
2114052023-07-31. Service bulletin. Check Engine Light ON, Reduced Performance or Noise from Turbocharger. DTC P0299 may be stored in ECM.
2114022023-07-31. Service bulletin. Check Engine Light ON, Reduced Performance or Noise from Turbocharger. DTC P0299 may be stored in ECM.
2114012023-07-31. Service bulletin. Engine Lacks Performance, Shaft of Turbine Fan of Turbo Charger Broken or Seized
TT2009062023-07-10. Service bulletin. Use the diagram below to test the N75 Solenoid Valve in the event of a turbocharger fault code such as P0299 or P0234. This applies to Mechanical Injection Style Diesel Engines, Pumpe Duse Style Diesel Engines and the new Common Rail Style Diesel Engines.
V2118012036110122020-10-06. Service bulletin. Administrative republish, erWIN missed upload and TB would not display.
V2118012036110112020-10-06. Service bulletin. Update to vendor code.
analysis list 022019-01-07. Service bulletin. Customer states noise from the engine/turbo and/or MIL-on and misfire faults