Heavy Duty 8D0927803B Front ABS Wheel Speed Sensor Fit VW Passat Lingyu On the VW Passat B5.5 and the China-market Lingyu 9F0, a dying front wheel-speed sensor lights the ABS lamp, makes the speedo hesitate at low speed, and sets a wheel-speed fault that clears on scan but returns the next damp morning. It's a passive inductive unit with a ~1 m lead that runs past the steering knuckle — the cable chafes, the 2-pin plug sweats inside the wheel arch, and the ~1650 Ω coil drifts