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Service bulletin TT 37-12-04

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 id10072899
Published by NHTSA2016-06-22
Manufacturer's numberTT 37-12-04
Manufacturer's date2012-09-14
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM

NHTSA's summary

SUMMARY TO BE PROVIDED ON A FUTURE DATE.

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, Cooling system

Vehicles listed
VOLKSWAGEN TOUAREG2011, 2012, 2013

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
V1917012022548102023-06-06. Service bulletin. Introduce new engine coolant compatible with all models and all model years.
V8720022061094_22020-12-04. Service bulletin. Using Nitrogen to assist in finding A/C refrigerant leaks.
analysis list 042019-01-07. Service bulletin. On-car analysis list of Customer Complaints: Transmission
TB-19-13-012013-05-07. Service bulletin. VOLKSWAGEN: IT IS A NORMAL OCCURRENCE FOR THE ELECTRIC COOLANT FANS TO CONTINUE TO RUN AFTER THE IGNITION IS SWITCHED OFF. *JS