Ford S-Max Mondeo Mk1 Mk4 Parking Sensor Rear Parktronic Primed CJ5T-15K859-BA

Ford S-Max Mondeo Mk1 Mk4 Parking Sensor Rear Parktronic Primed is an original parking assistance system component designed for installation in the rear area of the vehicle body. The primed finish allows for precise color matching to the vehicle's bodywork, facilitating aesthetic integration with the bumper. This is a solution for users who expect factory compatibility and stable operation of the PDC system in their Ford.

Specifications and technical data

• SKU: CJ5T-15K859-BA-PRIM
• Mark: Ford
• Condition: Used
• OEM Part Number: CJ5T-15K859-BA
• Substitutable numbers: CJ5T-15K859-BA, CJ5T15K859BA
• Location on the vehicle: Rear
• Color: Primed
• Category: Parking Sensors

Purpose and function of the PDC sensor

The presented sensor belongs to the Parking sensors category and operates in the rear part of the vehicle, assisting the driver when maneuvering in tight parking spaces, reversing, and approaching obstacles precisely. It is responsible for generating a distance signal, which is then interpreted by the vehicle's electronics and presented in the form of acoustic or visual signals.

Placement in the rear area of the body ensures optimal coverage of the area behind the vehicle, which reduces the risk of damage to the bumper, trunk lid, or lighting elements. By maintaining the original operating characteristics, the sensor works with the vehicle's factory software without the need for additional modifications.

Construction, color, and preparation for painting

The sensor features a primed finish, meaning it is prepared for further painting in the body color. This design:

• facilitates achieving a visually consistent effect with the bumper surface,
• allows the painter to use standard preparation and painting processes,
• ensures aesthetic integration with the body line without visible color differences.

This solution is particularly beneficial for post-accident repairs or replacing a single element in an already painted bumper, where both correct system operation and a consistent appearance are important.

Vehicle integration and installation aspects

The sensor has been designed for direct compatibility with the factory PDC system in the relevant generations of Ford S-Max and Mondeo models. The housing design is adapted to standard mounting sockets in the rear bumper, which facilitates seating the element in existing brackets.

During installation, it is recommended to:

• check the condition of the wiring harness and connectors for corrosion and mechanical damage,
• properly position the sensor in the socket to maintain the correct operating angle relative to the ground,
• perform a PDC system test after installation, using diagnostics or the vehicle's built-in test procedure.

This approach helps maintain stable operation of the parking assistance system and reduces the risk of false alarms or failure to react to obstacles.

Characteristics of the used product

The offered item is used, which in practice means it comes from disassembly but has been verified for functionality. For many users, this is a beneficial solution because it allows maintaining the vehicle's original specifications while reducing repair costs compared to purchasing a new component.

In the case of body electronics, such as parking sensors, using a used part from the same model line often ensures high compatibility of operating parameters with the vehicle's factory configuration, without the need for additional programming.

Technical support and selecting used electronics

If you want to better understand how to safely select used modules and sensors and what to pay attention to when verifying compatibility, it is worth reading our guide: Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?. The article discusses, among other things, selection by manufacturer markings, hardware and software compatibility issues, and practical installation examples.

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