Heavy Duty 701927807F Front ABS Wheel Speed Sensor Fit VW On a VW T4 Transporter / EuroVan / Caravelle, the front wheel-speed sensors are ancient-school passive inductive pick-ups with a long lead tucked along the steering knuckle. When the coil drifts, the round plug sweats inside the wheel arch, or the tip gets caked in metallic brake dust, you get the ABS lamp, a traction-control light, and a wheel-speed code that clears on scan and returns the next wet morning. The fix