WenmarOpen by Wenmar Pro

Service bulletin TT 01 21 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 id10189310
Published by NHTSA2021-04-06
Manufacturer's numberTT 01 21 01
Manufacturer's date2021-03-19
NHTSA componentFUEL SYSTEM, GASOLINE

NHTSA's summary

Evap diagnosis for fuel cap tether 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

Vehicles listed
VOLKSWAGEN TIGUAN2019, 2020, 2021

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
VWM14072024-04-22. Service bulletin. Carefree Maintenance and VW Care Maintenance Plans Interim AdBlue Refills -? Diesel Engines Model Year 2015 and Newer
VWM14032024-04-22. Service bulletin. Volkswagen Carefree Maintenance Program ? Diesel Engines Model Year 2015 and Newer
TT 01-20-02_32023-11-06. Service bulletin. T8 fuel injector harness inspection for stored DTCs P0201, P0202, P0203, P0204.
V0017132033846192023-07-10. Service bulletin. Gasoline fuel additive
VWM14072023-05-22. Service bulletin. This communication contains important information and SAGA claim entry requirements for interim AdBlue refills under the Carefree Maintenance and VW Care Maintenance plans for Model Year 2015 and newer VW models with Diesel Engines.
VWM14032023-05-22. Service bulletin. Volkswagen Carefree Maintenance Program ? Diesel Engines Model Year 2015 and Newer
VWP-23-032023-05-05. Service bulletin. This Document informs dealers on VWP-23-03
VIN4APIN202302062023-03-06. Service bulletin. Customer states MIL-on, fault P0456 and/or P0442 stored in ECM memory Customer states fuel tank difficult to fill, pump keeps clicking off Customer states MIL-on, fault P0456 and/or P0442 stored in ECM memory Noise from front end while driving Customer states MIL-on/Airbag light, fault U019900 and/or B101715 stored in ECM/Airbag memory Airbag light on B1225F1 Customer states seat belt won't retract Customer states AC inoperative
VIN4APIN202302022023-03-06. Service bulletin. Customer states MIL-on, fault P0456 and/or P0442 stored in ECM memory Customer states fuel tank difficult to fill, pump keeps clicking off Customer states MIL-on, fault P0456 and/or P0442 stored in ECM memory Noise from front end while driving Customer states MIL-on/Airbag light, fault U019900 and/or B101715 stored in ECM/Airbag memory Customer states KESSY door lock/unlock inoperative Customer states cannot set seat memory. Customer states cannot set seat memory. Customer states AC inoperative
TT 20 09 01_52022-07-01. Service bulletin. Gasoline quality check. Update to model and model year applicability.