Standard/OE$35.38
10 items in stock
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GeoBrakes stocks OEM-grade vehicle speed sensors confirmed to fit the Buick Lucerne, the components that supply vehicle speed data to the Lucerne transmission control module, ABS system, speedometer, and cruise control simultaneously. Every Buick Lucerne sensor is direct-fit, calibrated to the correct signal frequency
Standard/OE$35.38
10 items in stock
Select your vehicle to see compatible products and accurate pricing
The vehicle speed sensor on the Buick Lucerne is a single component whose data feeds multiple vehicle systems at once on your Lucerne. When it fails on the Buick Lucerne, the effects appear across your Lucerne speedometer, transmission, cruise control, and ABS simultaneously, making diagnosis less straightforward than a fault that affects only one system on the Buick Lucerne.
On older Buick Lucerne vehicles and most rear-wheel-drive designs, a dedicated transmission-mounted speed sensor monitors output shaft speed on the Lucerne and serves as the primary reference for the Lucerne speedometer and transmission control module. On modern Buick Lucerne front-wheel-drive and all-wheel-drive platforms, wheel hub sensors serve the dual function of ABS speed sensing and vehicle speed data delivery on the Lucerne, one sensor feeding multiple Buick Lucerne systems from a single mounting point.
Signal accuracy is the defining specification for a Buick Lucerne vehicle speed sensor. A sensor that generates the wrong pulse frequency for your Lucerne control modules produces incorrect speedometer readings, mis-timed transmission shifts, and inaccurate ABS calibration on your Buick Lucerne, even if it passes a basic resistance test. Every speed sensor in the GeoBrakes catalogue is sourced to the correct signal frequency for the Buick Lucerne exact year, make, model, and sensor position.
Can a faulty speed sensor affect the transmission on my Buick Lucerne?
Yes. The Buick Lucerne transmission control module relies on vehicle speed data to calculate correct shift timing. A failed Lucerne speed sensor can cause erratic shifting, delayed upshifts, incorrect downshifts, or trigger Lucerne limp mode.
Will a bad vehicle speed sensor turn on the check engine light on my Buick Lucerne?
Yes. A failed Buick Lucerne vehicle speed sensor typically stores fault codes P0500, P0501, or P0502. Depending on the Lucerne, it may also trigger ABS, traction control, or transmission warning lights simultaneously.
Is the vehicle speed sensor the same as the ABS wheel speed sensor on my Buick Lucerne?
On many modern Buick Lucerne vehicles, yes, wheel hub sensors serve both the ABS system and vehicle speed sensing simultaneously on your Lucerne. On older Lucerne vehicles with transmission-mounted speed sensors, they are separate components. Use the GeoBrakes vehicle selector to confirm the correct sensor type for your Buick Lucerne.