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Service bulletin TT 271601_204503

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 id10107203
Published by NHTSA2017-06-20
Manufacturer's numberTT 271601_204503
Manufacturer's date2016-08-05
NHTSA componentFORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL; EQUIPMENT:ELECTRICAL

NHTSA's summary

DIAGNOSTIC INFORMATION TO REINFORCE WHAT IS CALLED OUT IN THE REPAIR MANUAL BUT IS MISSED IN SOME CASES.

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Driver assistance, Equipment and accessories, Adaptive cruise control

Vehicles listed
VOLKSWAGEN TOUAREG2016

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
WLA-22-152022-12-06. Service bulletin. ACC Calibration Process
TT 27-17-012019-12-06. Service bulletin. Update to include latest model years.
TT 2717012017-12-14. Service bulletin. Example of devices, modifications or alterations that can impede Adaptive Cruise Control Radar Sensor function.
V961601_20436042017-06-23. Service bulletin. ORIGINAL PUBLICATION TO ASSIST DEALER TECHNICIANS WITH DIAGNOSIS OF LANE CHANGING SYSTEM (SIDE ASSIST)
TT 271601_2045032017-06-15. Service bulletin. DIAGNOSTIC INFORMATION TO REINFORCE WHAT IS CALLED OUT IN THE REPAIR MANUAL BUT IS MISSED IN SOME CASES.