Ford Focus Mk3 Brake Servo Air Pressure Sensor DE93-2C444-BA A2C53428844

Ford Focus Mk3 Brake Servo Air Pressure Sensor is a component from the Electronic control modules and controllers group, responsible for precise pressure measurement in the brake servo system and transmitting the signal to the vehicle's controller. This ensures stable operation of the braking system and allows driver assistance systems to react in a predictable and repeatable manner. This solution is intended for users who expect proven, factory-grade electronics tailored to the specifics of the Ford Focus Mk3.

Specifications and technical data

• SKU: DE93-2C444-BA
• Mark: Ford
• Condition: Used
• OEM Part Number: DE93-2C444-BA
• Substitutable numbers: DE93-2C444-BA, DE932C444BA, A2C53428844
• Category: ECUs & Computer Modules

Function and role of the brake servo pressure sensor

The brake servo pressure sensor in the Ford Focus Mk3 monitors the operating conditions of the brake booster system and sends a signal to the controller, which then adjusts the operation of related systems accordingly. A properly functioning component ensures:

• stable operation of the braking system under varying load conditions,
• consistent performance of electronic systems monitoring braking,
• better repeatability of braking force across different driving styles.

Replacing a worn or damaged sensor with an original component from the same group helps restore the correct operating parameters of the electronics responsible for driving safety.

Electronic control modules and controllers in Ford vehicles

This element belongs to the Electronic control modules and controllers category, which are components that collect data from sensors and work in conjunction with the vehicle's main controllers. In the case of the Ford Focus Mk3, it is particularly important to maintain consistency between sensors and ECU modules in order to:

• avoid diagnostic errors and the appearance of incorrect fault codes,
• ensure correct signal interpretation by the controller software,
• maintain predictable vehicle reactions during emergency braking and driving in difficult conditions.

Selecting the right sensor from this group of components has a direct impact on the comfort and safety of vehicle operation.

Benefits of using original Ford electronics

The original brake servo pressure sensor designed for the Ford Focus Mk3 has been engineered to work with the vehicle's factory software and electrical architecture. In practice, this means:

• proper matching of signal parameters to the controller's requirements,
• preservation of factory braking system performance characteristics,
• reduced risk of compatibility issues compared to aftermarket replacements with uncertain parameters.

For users who want to maintain the integrity of the electronics in their Ford, choosing such a component is a technically sound and long-term beneficial solution.

Condition, installation, and practical aspects

The offered item comes from the group of used components, which allows for combining reasonable costs with the preservation of factory design and performance characteristics. Before installation, a standard diagnostic procedure and verification of the vehicle's electrical system are recommended to rule out other sources of faults in the braking system and related electronic systems.

A properly selected brake servo pressure sensor can be installed as part of preventive brake system maintenance or as part of a repair following the appearance of errors related to servo pressure. Combined with properly functioning control modules, this allows for the restoration of stable, predictable operation of the entire system.

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

To better plan the selection of used electronic components, including sensors and control modules, it is worth familiarizing yourself with practical tips regarding selection by identification numbers, hardware and software compatibility, and installation principles – these are discussed in detail in the Global Parts guide: Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?