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Service bulletin TT-21-10-01

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 id10051241
Published by NHTSA2013-02-26
Manufacturer's numberTT-21-10-01
Manufacturer's date2012-04-02
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:GASOLINE; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER

NHTSA's summary

VOLKSWAGEN: DIAGNOSIS N75 SOLENOID VALVE ON TURBOCHARGER, WITH FAULT CODES P0299 AND P0234, THAT LEADS TO TESTING ON WHICH VACUUM PORTS THAT WOULD HOLD AND WHICH ONES WILL NOT. NO MODELS WERE LISTED. MODEL YEARS 2006-2013 WITH 2.0T GASOLINE ENGINES. *PE

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Engine, Turbocharger or supercharger

Trouble codes named

P0234, P0299

Vehicles listed
VOLKSWAGEN BEETLE1998

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