vehicle came in with abs light on-code set for rf speed sensor-was dead sensor-replaced sensor road-tested-released vehicle-came back 2 days with abs light on same code-determined fault w/ abs module-unable to get new part-used installed-no codes-released again-came back customer complaint noise associated with abs kicking on with light braking @low speeds-no codes-data stream shows poor waveform lf speed sensor-replaced lf sensor and axle w/tone ring-data now shows same waveform as before-replaced used abs module with another used module-electronics only each time-now all four wheels show matched wave forms-same symptoms-all four sensors show no speed when braking/abs kicks in-brakes in good shape and tires okay-lost on next step

Greg Hochhalter
Owner
Auburn Foreign & Domestic Car
Auburn, Washington, USA