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$38.21
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SEN-2BWS0268• Rear• Disc Brake Pad Wear Sensor
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GeoBrakes stocks OEM-grade disc brake pad wear sensors confirmed to fit the Rolls Royce Dawn, the single-use probe components that trigger your Dawn dashboard warning light the moment your brake pads approach minimum thickness. Every sensor is direct-fit for the Rolls Royce Dawn
Standard/OE$38.21
10 items in stock
Select your vehicle to see compatible products and accurate pricing
A disc brake pad wear sensor on the Rolls Royce Dawn is your vehicle's advance warning system for brake pad replacement. It eliminates the need to rely on audible squealing from your Dawn to know your pads are getting thin, instead triggering a dashboard warning light at a preset minimum thickness on the Rolls Royce Dawn, giving you time to plan the replacement before the pads wear through to the metal backing plate. Replacing a triggered sensor with every Dawn pad change is the only way to keep that early-warning system working for the next service interval.
The wear sensor on the Rolls Royce Dawn is a small probe embedded in or clipped to the brake pad. When the Dawn pad wears down to the replacement threshold, the probe contacts the rotor surface. This contact creates a circuit change that signals the Rolls Royce Dawn ABS or brake control module, illuminating the brake warning light. Once the probe on the Rolls Royce Dawn has contacted the rotor, it is destroyed and cannot be reused. It is a single-use component by design on the Dawn.
Installing fresh brake pads on the Rolls Royce Dawn without fitting a new wear sensor defeats the entire purpose of having a brake monitoring system on your Dawn. A previously triggered sensor probe is worn through and has no remaining material to detect the next set of Dawn pads wearing down. From day one of the new Rolls Royce Dawn brake pads, the warning system is non-functional without a new sensor.
Wear sensor compatibility for the Rolls Royce Dawn is more exacting than most brake parts. The probe length, contact resistance specification, and connector design must all match the Dawn brake monitoring circuit precisely. A wrong sensor triggers Rolls Royce Dawn 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 Rolls Royce Dawn, with front and rear positions listed separately.
Do I need to replace the brake pad wear sensor every time I change pads on my Rolls Royce Dawn?
Yes, on Rolls Royce Dawn vehicles equipped with electronic wear sensors. The sensor probe on your Dawn is a single-use component. Once it has contacted the rotor and triggered the Dawn warning light, the probe is consumed. Always replace the Rolls Royce Dawn sensor during every pad change.
Does my Rolls Royce Dawn have electronic brake pad wear sensors?
Many vehicles use a mechanical wear indicator instead of electronic sensors. Check your Rolls Royce Dawn owner's manual or use the GeoBrakes vehicle selector to confirm whether your Dawn uses an electronic pad monitoring system.
Can a faulty wear sensor keep the brake warning light on my Rolls Royce Dawn on after new pads are installed?
Yes. If the Rolls Royce Dawn wear sensor from a previous brake service was not replaced, or if the probe has been damaged on your Dawn, the brake warning light will remain on even with new pads. Replacing the Dawn sensor will clear the fault and restore normal operation.