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Service bulletin TT 20 18 02

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 id10149851
Published by NHTSA2018-12-03
Manufacturer's numberTT 20 18 02
Manufacturer's date2018-08-10
NHTSA componentFUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP; FUEL SYSTEM, GASOLINE

NHTSA's summary

Additional diagnostic recommendations to address fuel pump relay power supply issues.

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 pump

Vehicles listed
VOLKSWAGEN ROUTAN2011, 2012

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
Edition412023-09-18. Service bulletin. VW Elsa Newsletter
TB-20-13-052013-08-30. Service bulletin. VOLKSWAGEN: ON SOME VEHICLES, LOW FUEL STORED IN ECM PRESSURE, ENGINE WOULD CRANK BUT NOT START LONG PERIODS WITHOUT DRIVING, MAY RUN ROUGH AND/OR MIL ON. ALL MODELS 2008-2013. *PE