WenmarOpen by Wenmar Pro

Service bulletin TT 20 18 05

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 id10154080
Published by NHTSA2019-03-04
Manufacturer's numberTT 20 18 05
Manufacturer's date2018-12-07
NHTSA componentFUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES; FUEL SYSTEM, GASOLINE

NHTSA's summary

Low side fuel pressure sensor explanation.

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

Fuel system, Fuel tank

Vehicles listed
VOLKSWAGEN BEETLE2014, 2015, 2016, 2017, 2018
VOLKSWAGEN BEETLE CONVERTIBLE2014, 2015, 2016, 2017, 2018 (the catalog's model; the bulletin names a series or trim of it)
VOLKSWAGEN GOLF2014, 2015, 2016, 2017, 2018
VOLKSWAGEN GOLF SPORTWAGEN2014 (the catalog's model; the bulletin names a series or trim of it)
VOLKSWAGEN GOLF SPORTWAGEN2015, 2016, 2017, 2018
VOLKSWAGEN JETTA2014, 2015, 2016, 2017, 2018
VOLKSWAGEN PASSAT2014, 2015, 2016, 2017, 2018

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
V2022012067976-12022-10-05. Service bulletin. Replacement fuel tank modification.
VIN4APIN202012012021-01-08. Service bulletin. Customer states MIL-on with P0556 Customer states MIL-on with P2421 Customer states MIL-on with Misfire code Customer states clutch pedal makes noise No crank, no start Customer states seat memory inoperative Customer states fuel odor/leak in the rear part of the vehicle (without a punctured fuel tank, hoses or pipes) or difficulty fueling fuel tank or fuel coming back up filler neck
V2317072041118152020-07-07. Service bulletin. Updated to remove duplicate bolt part number in Passat part table.
TT 20 18 032018-12-03. Service bulletin. Clarification that no G410 is installed on these engines.
TT 20-16-012018-02-05. Service bulletin. Document informs how to check the fuel filler neck for blockage, and how to clean the part.
V201601_20441242017-06-20. Service bulletin. CREATE AND INSTALL A SIMILAR DESIGN FUEL TANK VENT TO INHIBIT PROBABITY OF RESTRICTIONS ESPECIALLY DURING FREEZING WEATHER.
V201601_20441242017-06-15. Service bulletin. CREATE AND INSTALL A SIMILAR DESIGN FUEL TANK VENT TO INHIBIT PROBABITY OF RESTRICTIONS ESPECIALLY DURING FREEZING WEATHER.