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Service bulletin Dealer 34N2

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 id10226799
Published by NHTSA2022-12-06
Manufacturer's numberDealer 34N2
Manufacturer's date2022-11-28
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION

NHTSA's summary

SERV_ACT - Transmission Control Module (TCM) Software

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

Transmission and driveline, Automatic transmission

Vehicles listed
VOLKSWAGEN TOUAREG2014

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
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Edition932023-09-18. Service bulletin. VW Elsa Newsletter
Edition642023-09-18. 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.
Circular 34N22022-12-06. Service bulletin. SERV_ACT - Transmission Control Module (TCM) Software
On-Car Analysis2019-04-08. Service bulletin. On-car analysis list of Customer Complaints: Transmission Concerns (including clutch assembly, bevel box and Haldex)
TT 0117042019-04-08. Service bulletin. Description and clarification of hill hold function to prevent unneccesary repairs.
Dealer Letter -2018-04-16. Service bulletin. 3.0L TDI vehicles were equipped with undisclosed Auxiliary Emission Control Devices which are not permitted by emissions regulations. Install updated engine control module (ECM) software, transmission control module (TCM) software and hardware to bring affected vehicles into regulatory compliance.