Heavy Duty WHT003859A Rear Left ABS Wheel Speed Sensor Fit FAW VW Audi On a FAW-Volkswagen CC (B7, 2012–2018) and a first-gen Audi Q3 (84B 2013–2016 / 84G 2016–2018, Euro code 8U/8UB/8UG), the rear wheel-speed sensors are tiny Hall-effect pick-ups pressed into the rear knuckle — no cable, just a 77 mm grey body with a 2-pin round plug. When brake dust bakes onto the tip, the sealed plug sweats, or the tone ring on the hub throws a tooth, you get the ABS and ESC lamps, a