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Service bulletin TT201202

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 id10238955
Published by NHTSA2023-07-10
Manufacturer's numberTT201202
Manufacturer's date2012-04-30
NHTSA componentELECTRICAL SYSTEM:ADAS:PARKING ASSIST:WARNING; FUEL SYSTEM, GASOLINE:STORAGE:EVAPORATIVE EMISSIONS:HOSES/VALVES/SENSORS; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM); ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE

NHTSA's summary

It is recommended to perform the EVAP tank leak test on V6 equipped Touareg through Control Module OBD. The test can be selected from the basic settings selection under the ECM address 01. Select ?Tank Leak Test? basic setting and then select ?Measured Values? so that the readings can be monitored during the test (Figure 2). Select ?Tank Leak, Result? and ?Tank Leak, Status? from the drop down list and press the ?forward? arrow to continue. Press the ?forward? arrow again and then the ?Start? button. The brake and gas pedal must both be depressed in order for the test to begin.

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, Engine, Fuel system, Engine control module, Evaporative emissions

Vehicles listed
VOLKSWAGEN TOUAREG2010, 2011, 2012

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

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