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Service bulletin 15VWGTIMNT1020

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 id10181976
Published by NHTSA2020-11-05
Manufacturer's number15VWGTIMNT1020
Manufacturer's date2020-10-28
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

NHTSA's summary

Added "Front axle differential lock (if equipped): Change fluid (Every 3 years)"

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

Equipment and accessories, Labels and manuals, Transmission and driveline, Automatic transmission

Vehicles listed
VOLKSWAGEN GTI2015

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
CHARTj2023-09-18. Service bulletin. FLUID CAPACITY CHART
Edition932023-09-18. Service bulletin. VW Elsa Newsletter
V3718022033975112023-07-10. Service bulletin. Automatic Transmission Fluid Requirements
TB0016012023-05-22. Service bulletin. Choosing service numbers-Transmission and Drivetrain.
TT 34 21 012021-07-02. Service bulletin. Reverse gear function note.
VIN-4-A-PIN 7-312018-02-05. Service bulletin. On-car analysis list of Customer Complaints: Customer states the oil light is on
V001607 20344072018-01-08. Service bulletin. Update to include model year 2017 applicability.
V371602 20339752018-01-08. Service bulletin. Updated to include an additional model year applicability.
V371601 20339752017-10-31. Service bulletin. This document was created In response to multiple dealership inquires about aftermarket universal (one fluid fits all) automatic transmission fluids and transmission flushing, Volkswagen Group of America, Volkswagen Canada have prepared the following statement. At this time, Volkswagen Group of America, Volkswagen Canada do not support or warranty any use of aftermarket universal automatic transmission fluids or the machines used to flush the transmissions. This applies to all standard automatic and DSG transmissions. Due to the functional and design variations in each automatic transmission, the transmission fluid is developed and used by Volkswagen for specific purpose within each application. Under no circumstances are these fluids to be used outside their designated transmission and replacing any of the Volkswagen approved automatic transmission fluids with a universal ?one fluid fits all? approach is not accepted.
TT 32-14-012017-10-21. Service bulletin. Tech Tips (Torque Converter/Flywheel/Flexplate installation): Incorrect torque converter or flywheel/flexplate installation can result in transmission damage. When installing an engine, flywheel or transmission, please follow the installation procedures outlined in ELSA. This document also contains advice on the installation of these devices