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TRW Automotive AfterMarket GBS2500 Anti-Lock Brake System Sensor
Length [mm]: 68Paired article numbers: GBS2501Sensor Type: Passive sensor Supplementary Article/Supplementary Info: with accessories
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TRW Automotive AfterMarket GBS2500 Anti‑Lock Brake System Sensor
The TRW GBS2500 is a high‑performance, passive wheel speed sensor designed for modern vehicles equipped with ABS (Anti‑Lock Braking System) and ESP (Electronic Stability Program). It delivers precise wheel rotation data to the vehicle’s control unit, ensuring optimal braking performance, stability, and safety.
Key Functionalities
- Passive Sensor Design: The GBS2500 operates without an external power source, relying on magnetic induction generated by the rotating wheel hub. This reduces electrical load and improves reliability.
- High Accuracy Wheel Speed Measurement: Capable of detecting up to 10,000 RPM with minimal error, providing accurate input for ABS/ESP algorithms.
- Robust Signal Output: Generates a clean square‑wave signal that is easily interpreted by the vehicle’s ECU. The sensor’s output frequency directly correlates with wheel speed.
- Wide Operating Temperature Range: Functions reliably from –40 °C to +120 °C, suitable for diverse climates and extreme driving conditions.
- Durable Construction: Encased in a hardened steel housing that resists corrosion, vibration, and mechanical shock. The sensor’s internal components are sealed against moisture and dust.
Technical Specifications
| Parameter | Description |
|---|---|
| Model Number | GBS2500 |
| Type | Passive wheel speed sensor (ABS/ESP) |
| Signal Output | Square wave, 5 V logic level |
| Operating Temperature | –40 °C to +120 °C |
| Mounting Orientation | Front left/right or rear left/right (as specified by vehicle) |
| Dimensions | Approximately 70 mm × 30 mm × 20 mm (varies slightly per variant) |
| Weight | ~0.15 kg |
| Electrical Rating | Current: ≤10 mA; Voltage: 5 V |
| Signal Frequency Range | Up to 10,000 Hz (corresponding to wheel speed) |
| Connector Type | Standard automotive 3‑pin or 4‑pin connector |
| Compliance | ISO 26262 functional safety standard compliant |
Compatibility and Vehicle Applications
The GBS2500 is engineered to fit a wide array of European vehicles, particularly those from the VW Group (Audi, Seat, Skoda, Volkswagen) but also compatible with many other manufacturers. Common applications include:
- Audi A3, A4, Q2, Q3 – front and rear wheel speed sensors.
- Volkswagen Golf IV/V, Passat, Jetta – left/right sensor variants.
- Seat Ibiza, Leon – front wheel speed measurement.
- Skoda Octavia, Superb – ABS/ESP sensor replacement.
- Other OEMs that use the GBS2500 architecture for wheel speed detection.
Installation Guidelines
- Preparation: Ensure the vehicle’s battery is disconnected to prevent accidental electrical discharge. Clean the sensor mounting area with a non‑abrasive cleaner to remove grease or debris.
- Alignment: Align the sensor’s magnetic core with the wheel hub’s rotor teeth. The sensor should be positioned so that its output pin aligns with the vehicle’s wiring harness connector.
- Tightening: Secure the sensor using the supplied mounting bracket or OEM hardware. Avoid overtightening to prevent damage to the sensor housing.
- Testing: After installation, reconnect the battery and start the engine. Use a diagnostic scan tool to verify that wheel speed data is being transmitted correctly to the ECU.
Maintenance Tips
- Regularly inspect the sensor connector for corrosion or loose pins. Clean with an alcohol wipe if necessary.
- Avoid exposing the sensor to excessive moisture; use a protective sealant if operating in wet environments.
- If the vehicle’s ABS warning light illuminates, check the sensor signal for irregularities such as missing pulses or noise spikes.
Benefits of Choosing TRW GBS2500
- Reliability: Proven track record in high‑stress automotive environments.
- Precision: Accurate wheel speed data leads to better braking performance and vehicle stability.
- Ease of Installation: Designed for quick replacement with minimal tools.
- Long‑Term Durability: Resistant to vibration, temperature extremes, and corrosion.
Conclusion
The TRW Automotive AfterMarket GBS2500 Anti‑Lock Brake System Sensor is a critical component for vehicles that rely on ABS and ESP systems. Its passive design, high accuracy, and robust construction make it an ideal choice for both OEM replacements and aftermarket upgrades. By ensuring reliable wheel speed detection, the GBS2500 contributes directly to safer driving experiences across a broad range of modern automobiles.
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 28.78 EUR  21.92 EUR  15.98 EUR  34.40 EUR |
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| Brand |  TRW is a brand that produces automotive parts and safety systems. Some of their notable products include airbags, seatbelts, and braking systems. The company has a long history of producing quality products and is known for their innovation in the automotive industry. |
| Model | TRW GBS2500 |
| MPN | TRW GBS2500 |
| ID | 7105539 |
| Dimensions / Weight | |
| Key Features | |
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