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Service bulletin TT 21 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 id10161179
Published by NHTSA2019-06-12
Manufacturer's numberTT 21 18 02
Manufacturer's date2019-06-11
NHTSA componentEQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER

NHTSA's summary

Turbo wastegate actuator rod

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, Turbocharger or supercharger

Vehicles listed
VOLKSWAGEN JETTA2016, 2017

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 022019-06-24. Service bulletin. Turbo wastegate actuator rod
analysis list 022019-01-07. Service bulletin. Customer states noise from the engine/turbo and/or MIL-on and misfire faults
TT 21 18 012018-12-10. Service bulletin. Incorrect removal of Turbocharger oil feed line may cause engine damage
VIN-4-A-PIN APRI2017-06-26. Service bulletin. MIL-ON, FAULT P309F OR P309D, NO ELECTRIC DRIVE MODE CUSTOMER STATES CRANK NO START AND/OR IN-TANK FUEL PUMP MAKING NOISE AND POSSIBLY WITH FUEL PUMP FAULTS MIL-ON, FAULT P013E IN THE ECM MIL-ON, FAULT P164B IN ECM MIL-ON, FAULT P0011 AND/OR P0016 IN THE ECM MIL-ON, FAULT P2407 IN THE ECM CUSTOMER STATES NOISE FORM THE ENGINE/TURBO CUSTOMER STATES THE FUEL GAUGE DOES NOT READ FULL MIL ON, FAULT P2181 IN THE ECM MIL-ON, FAULT P0456 IN THE ECM CUSTOMER STATES THERE IS A NOISE WHILE TURNING/ GOING OVER BUMPS VEHICLE ALIGNMENT NOT CORRECT, STEERING OFF CENTER, PULLS, DRIFTS, DURING PDI CLUTCH PEDAL SQUEAL/SQUEAK WHEN OPERATING CLUTCH PEDAL CUSTOMER STATES THE A/C SYSTEM DOES NOT PERFORM PROPERLY CUSTOMER STATES INTERIOR "A" PILLAR TRIM IS LOOSE CUSTOMER STATES WIND NOISE FROM DRIVERS DOOR/WINDOW GUIDE CUSTOMER STATES AIRBAG LIGHT IS ON ANY KEY FUNCTIONS (INCLUDING STARTING, KESSY, REMOTE BUTTONS)