Ford Focus Mk3 Seat Air Module Sensor Front Passenger Side BM51-A625B02-AC

Ford Focus Mk3 Seat Air Module Sensor Front Passenger Side is a component from the Electronic control modules and controllers group, responsible for the proper interaction of the passenger seat with the airbag system. Designed for installation in the front right part of the vehicle, it supports the safe and stable operation of the SRS system, which is crucial for both daily use and emergency situations.

Specifications and technical data

• SKU: 1812480
• Mark: Ford
• Condition: Used
• OEM Part Number: 1812480
• Substitutable numbers: 1812480, BM51-A625B02-AC, BM51A625B02AC
• Location on the vehicle: Front
• Category: ECUs & Computer Modules

Purpose and function in the vehicle

The offered seat airbag sensor is designed to work with the front right seat in the Ford Focus Mk3 model. As an electronic component integrated into the passive safety system, it is responsible for transmitting information to the controller necessary for the proper operation of the passenger-side airbag.

Its placement in the front cabin area means this component is significant for the correct logic of airbag deployment and communication with other electronic modules of the vehicle. A correctly selected and functional sensor reduces the risk of SRS system errors and unwanted warning messages on the instrument cluster.

Technical characteristics and system integration

As an element from the Electronic control modules and controllers category, the seat airbag sensor works with the vehicle's bus and electrical harness, utilizing factory connectors provided by the manufacturer. This allows for installation in place of the original component without the need for wiring modifications, which facilitates service and reduces repair time.

The module has been designed for a specific model and seat configuration, so when selecting, it is worth paying attention to compatibility with the car's equipment and the parameters stored in the controllers. Proper integration with the SRS system affects:

• the stability of the airbag controller operation,
• correct passenger presence detection,
• the elimination of errors and warning lights related to the seat airbag.

Product condition and benefits of choosing a used module

The presented seat airbag sensor comes from the used parts group, which allows for an economical repair of the safety system while maintaining the original manufacturer's specifications. Choosing such a solution is particularly beneficial for older vehicles, where it is important to combine reasonable service costs with maintaining factory compatibility.

A used electronic module, selected according to the manufacturer's markings, can be an effective alternative to new components, especially when you want to maintain consistency with the existing installation and vehicle controller software.

Selection, compatibility, and technical support

To ensure the correct operation of the SRS system after replacing the sensor, it is recommended to verify compatibility by the OEM number and interchangeable numbers, as well as to check the placement on the vehicle (front right). In many cases, after installation, it may be necessary to clear errors in the controller or perform adaptation using an appropriate diagnostic tester.

If you want to better understand how to safely and consciously use used electronic modules in a car, check out the guide: Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?. You will find practical tips there regarding selection by numbers, compatibility, and installation.

Expanding repairs within Ford electronics

If you are planning a comprehensive repair or upgrade of the electronic zone in your Ford and need other elements from the same group, such as controllers, comfort modules, or additional safety systems, check the available parts in the Ford electronic control modules and controllers category.

For an even more reliable selection of used components, you can also use a practical guide on parts selection: No more bad purchases! How to professionally select used car parts, saving time and nerves. This is a helpful supplement when planning electronics repairs in your vehicle.