Heavy Duty 1H0927807D Rear Left and Right ABS Wheel Speed Sensor Fit VW Santana Chery Qiyun On aging PQ34-platform sedans like the VW Santana Zhijun (Typ 345) and Chery Qiyun, a tired rear wheel speed sensor usually shows up as a stubborn ABS warning lamp, an erratic speedometer, or a stored C-code that fails annual inspection. Because this is an inductive (passive) sensor , a cracked pickup head or corroded 2-pin connector changes the AC signal amplitude and the ABS module