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Q:Does this control my speedomanator?
A:Hi ED, glad to assist you! Functions of vehicle speed sensor: Modules or functions that use information from vehicle speed sensors include the variable assist power steering unit where the information from a speed sensor regulates the power steering pressure with higher pressure at low speeds and vice versa. This makes things like parallel parking maneuvers easier. A car's anti-lock braking system (ABS) also uses information from a speed sensor to decide when a wheel has locked up and thus commands the ABS to cut pressure in order for the driver to maintain control of the car. While some cars use separate sensors for the ABS, it is common that the computer uses the information from the wheel sensors to act as a vehicle speed sensor. For example, many newer Ford vehicles use a rear axle mounted speed sensor for ABS and vehicle speed functions that are computer related. Both traditional and hybrid cars use information from vehicle speed sensors for the speedometer display. Many new cars have developed suspension systems that use vehicle speed sensor information to control the height of the ride. They adjust the ride down for better control at higher speeds for improved maneuverability. Automatic transmissions must have the information from a vehicle speed sensor to decide shift strategy. Additionally, cruise control depends on speed sensor information to know when to engage and when to disengage, as well as when to cruise at a set speed. All Electronic Engine Control (EEC) systems use some speed sensor information to perform their tasks.