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Service bulletin VIN4APIN20201120

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 id10183580
Published by NHTSA2020-12-04
Manufacturer's numberVIN4APIN20201120
Manufacturer's date2020-11-20
NHTSA componentENGINE AND ENGINE COOLING; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; FUEL SYSTEM, OTHER:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS

NHTSA's summary

Customer states MIL-on with P0556 "Customer states MIL-on with P11A1/P11A2/P11A3/P11A4/P11A5/P11A6/P11A7/P11A8/ P11A9/P11AA/P11AB/P11AC/P11AD/P11AE/P11AF/P11B0" Customer states MIL-on with P2421 Customer states MIL-on, HPFP mounting bolts loose/broken 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

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, Equipment and accessories, Fuel system, Labels and manuals, Fuel hoses and lines

Trouble codes named

P0556, P11A1, P11A2, P11A3, P11A4, P11A5, P11A6, P11A7, P11A8, P11A9, P11AA, P11AB, P11AC, P11AD, P11AE, P11AF, P11B0, P2421

Vehicles listed
VOLKSWAGEN ATLAS2019, 2020, 2021
VOLKSWAGEN ATLAS CROSS SPORT2021
VOLKSWAGEN GOLF2017, 2018, 2019, 2020, 2021
VOLKSWAGEN GOLF SPORTWAGEN2017, 2018, 2019
VOLKSWAGEN GTI2019 to 2021
VOLKSWAGEN JETTA2017, 2018, 2019, 2020, 2021
VOLKSWAGEN PASSAT2019, 2020
VOLKSWAGEN TIGUAN2019, 2020

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
TT 21 18 012018-12-10. Service bulletin. Incorrect removal of Turbocharger oil feed line may cause engine damage