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$27.53
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SEN-2BWS0464• Rear• Disc Brake Pad Wear Sensor
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GeoBrakes stocks OEM-grade disc brake pad wear sensors confirmed to fit the Cadillac Lyriq, the single-use probe components that trigger your Lyriq dashboard warning light the moment your brake pads approach minimum thickness. Every sensor is direct-fit for the Cadillac Lyriq
Standard/OE$27.53
10 items in stock
Select your vehicle to see compatible products and accurate pricing
A disc brake pad wear sensor on the Cadillac Lyriq is your vehicle's advance warning system for brake pad replacement. It eliminates the need to rely on audible squealing from your Lyriq to know your pads are getting thin, instead triggering a dashboard warning light at a preset minimum thickness on the Cadillac Lyriq, giving you time to plan the replacement before the pads wear through to the metal backing plate. Replacing a triggered sensor with every Lyriq pad change is the only way to keep that early-warning system working for the next service interval.
The wear sensor on the Cadillac Lyriq is a small probe embedded in or clipped to the brake pad. When the Lyriq pad wears down to the replacement threshold, the probe contacts the rotor surface. This contact creates a circuit change that signals the Cadillac Lyriq ABS or brake control module, illuminating the brake warning light. Once the probe on the Cadillac Lyriq has contacted the rotor, it is destroyed and cannot be reused. It is a single-use component by design on the Lyriq.
Installing fresh brake pads on the Cadillac Lyriq without fitting a new wear sensor defeats the entire purpose of having a brake monitoring system on your Lyriq. A previously triggered sensor probe is worn through and has no remaining material to detect the next set of Lyriq pads wearing down. From day one of the new Cadillac Lyriq brake pads, the warning system is non-functional without a new sensor.
Wear sensor compatibility for the Cadillac Lyriq is more exacting than most brake parts. The probe length, contact resistance specification, and connector design must all match the Lyriq brake monitoring circuit precisely. A wrong sensor triggers Cadillac Lyriq warnings at the wrong pad thickness, or not at all. Every sensor in the GeoBrakes catalogue is sourced to original equipment probe and connector specifications for the Cadillac Lyriq, with front and rear positions listed separately.
Do I need to replace the brake pad wear sensor every time I change pads on my Cadillac Lyriq?
Yes, on Cadillac Lyriq vehicles equipped with electronic wear sensors. The sensor probe on your Lyriq is a single-use component. Once it has contacted the rotor and triggered the Lyriq warning light, the probe is consumed. Always replace the Cadillac Lyriq sensor during every pad change.
Does my Cadillac Lyriq have electronic brake pad wear sensors?
Many vehicles use a mechanical wear indicator instead of electronic sensors. Check your Cadillac Lyriq owner's manual or use the GeoBrakes vehicle selector to confirm whether your Lyriq uses an electronic pad monitoring system.
Can a faulty wear sensor keep the brake warning light on my Cadillac Lyriq on after new pads are installed?
Yes. If the Cadillac Lyriq wear sensor from a previous brake service was not replaced, or if the probe has been damaged on your Lyriq, the brake warning light will remain on even with new pads. Replacing the Lyriq sensor will clear the fault and restore normal operation.