Wiper Motor Control Module -J400-, DEACTIVATING APP: Procedure
WARNING: This page is about a different car, the 2018 Volkswagen Jetta, 2017 Volkswagen Jetta, 2016 Volkswagen Jetta, and 2015 Volkswagen Jetta. However, it is still accessible from the selected car via links, so may be relevant.
-- Deactivate the APP function using the Vehicle Diagnostic Tester, in Guided Fault Finding , Coding The Wiper Electronics Control Module/Deactivating The App Function .