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Posts Tagged: Wheel speed sensors

Understanding wheel speed sensors: How they work

Wheel speed sensors — Two types and how each type works A wheel speed sensor tracks the rotation speed of each wheel (in most vehicles *) and reports the speed in either analog or digital form to the Anti-lock Brake Module (ABS Module). The ABS module compares the speed reading from each wheel. If the ABS module senses that one wheel is slowing down faster than the other wheels, it concludes that the slowing wheel is losing traction with the road (due to water, ice or snow). In other words, … Read More


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