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Service bulletin TT 19 18 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 id10149894
Published by NHTSA2018-12-03
Manufacturer's numberTT 19 18 01
Manufacturer's date2018-10-26
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM; ENGINE

NHTSA's summary

Alternate diagnostic process for overheating.

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, Cooling system

Vehicles listed
VOLKSWAGEN BEETLE2011
VOLKSWAGEN BEETLE2012, 2013, 2014
VOLKSWAGEN BEETLE CONVERTIBLE2012, 2013, 2014 (the catalog's model; the bulletin names a series or trim of it)
VOLKSWAGEN GOLF2011, 2012, 2013, 2014
VOLKSWAGEN JETTA2011, 2012, 2013, 2014
VOLKSWAGEN PASSAT2011, 2012, 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
V2118022025464_92024-04-04. Service bulletin. Frozen Charge Air Cooler, Engine no start updated to include Parts ordering notification.
UPDATE01A32024-04-01. Service bulletin. Coolant Flush (NVLW)
V8016012040580102024-02-06. Service bulletin. Update TB because of new engine coolant part number.
UPDATE01AE2023-08-14. Service bulletin. Coolant Flush (NVLW)
19J52023-08-14. Service bulletin. Some customers of 2012 and 2013 model year Golf R vehicles have reported engine compartment noise and hard start issues with their vehicles. Volkswagen has determined that the coolant pump is the source of these concerns.
V1917012022548102023-06-06. Service bulletin. Introduce new engine coolant compatible with all models and all model years.
EN-1223132022-03-28. Service bulletin. VW Elsa Newsletter.
V8720022061094_22020-12-04. Service bulletin. Using Nitrogen to assist in finding A/C refrigerant leaks.
V8016012040580_82020-07-07. Service bulletin. Updated to changes gallons to liters in Warranty parts table.
V801601_20405802019-12-06. Service bulletin. Updated to include Noise Dampining Pan Self Locking Bolts in Required Parts table.