PowerStop SW-1540 Disc Brake Pad Wear Sensor - Rear

Rear Brake Wear Sensor for Euro-Stop Applications

PowerStop SW-1540 is a rear disc brake pad wear sensor built for Euro-Stop brake systems that use an electronic wear indicator. It is designed to match original equipment form, fit, and function for direct replacement service on select Porsche and Volkswagen applications.

For drivers servicing a Porsche Cayenne, Porsche Panamera, or Volkswagen Touareg, this rear brake wear sensor helps restore proper wear-indicator operation after brake pad replacement. PowerStop SW-1540 is engineered for consistent conductivity and durability under high-temperature brake conditions.

Key Features

• Rear disc brake pad wear sensor for electronic brake monitoring
• Designed for Euro-Stop brake applications
• OE-style form, fit, and function
• Built to withstand extreme temperatures
• Black connector with oval shape
• Female connector and female blade terminals
• 2-wire design with 1 connector and 2 terminals
• Wiring harness length: 140.00 mm / 5.511 in

Detailed Product Overview

PowerStop SW-1540 is a rear electronic brake wear sensor intended for vehicles equipped with Euro-Stop-style pad wear monitoring. It is made to meet or exceed OEM requirements and is a direct replacement choice when servicing brake pads and restoring the warning system on compatible Porsche Cayenne, Porsche Panamera, and Volkswagen Touareg models. This part number, SW-1540, is also referenced in cross-application catalogs for the same rear sensor application.

PowerStop’s Euro-Stop brake wear sensor line focuses on replacement parts that follow the original sensor layout and electrical connection style. That makes SW-1540 a practical option when you need a rear brake pad wear sensor that matches the vehicle’s factory monitoring setup.

Vehicle Fitment

• Fits 2011-2018 Porsche Cayenne, rear; except Ceramic Composite Brakes.
• Fits 2011-2017 Volkswagen Touareg, rear.
• Fits 2011-2016 Porsche Panamera, rear; except Ceramic Composite Brakes.

Common Issues This Part Can Address

• Brake wear warning light stays on after pad service
• Damaged or broken rear pad wear sensor
• Incorrect wear-indicator readings from a failed sensor
• Sensor connector or harness wear from heat and road exposure
• Need for a direct replacement rear brake wear sensor during brake maintenance

Installation Notes and Tips

Verify rear brake system configuration before ordering, especially on Porsche Cayenne and Porsche Panamera models with Ceramic Composite Brakes, which are excluded from this application. Inspect the sensor routing, connector condition, and mounting points during brake service, and replace the sensor if the original wear indicator has been damaged or triggered.

Quality Assurance

PowerStop designs this Euro-Stop brake wear sensor to meet or exceed OEM requirements and to maintain conductivity under elevated brake temperatures. The SW-1540 is built as an OE-style replacement for dependable rear brake wear monitoring on the listed applications.