Rear Vent Temperature Sensor -G174-, REMOVING AND INSTALLING: Installing
WARNING: This page is about a different car, the 2021 Volkswagen Tiguan, 2020 Volkswagen Tiguan, 2019 Volkswagen Tiguan, 2018 Volkswagen Tiguan Limited, and 2018 Volkswagen Tiguan. However, it is still accessible from the selected car via links, so may be relevant.
Install in reverse order of removal. Note the following:
NOTE:
An incorrectly installed vent temperature sensor causes flow-generated noise.
-- Check the DTC memory and erase any displayed entries. Refer to Vehicle Diagnostic Tester in the "Guided Fault Finding" function.