Heavy Duty WHT003857A Front Left ABS Wheel Speed Sensor Fit Tiguan Magotan On the imported VW Tiguan 5N (2012–2014) and FAW Magotan B7 (2012–2015), the front-left wheel-speed signal comes from a grey, Hall-effect pick-up: WHT003857A. It's a cable-free 66 mm unit, 2-pin, active type — not the old black inductive sensor. Fit a black one into this slot and the ABS module reads garbage: ABS and ESP lamps light up, cruise drops out, and you'll log a wheel-speed signal implausibl