Ford Focus Mk3 Rear Door Control Unit Module ECU Left Right N/O/S BV6N-14B532-BF

Ford Focus Mk3 Rear Door Control Unit Module ECU Left Right is an original component from the Electronic control modules and controllers group, designed to manage the rear door electronics in a Ford vehicle. The module is responsible for precise control of door functions on both the left and right sides of the rear axle, ensuring consistent operation of electrical systems and communication with other vehicle systems.

Specifications and technical data

• SKU: AV6N-14C236-BB
• Mark: Ford
• Condition: Used
• OEM Part Number: AV6N-14C236-BB
• Substitutable numbers: BV6N-14B532-BF, BV6N14B532BF, AV6N-14C236-BB, AV6N14C236BB, 1799121, BV6N14B532BJ, BV6N-14B532-BJ
• Location on the vehicle: Rear, Right, Left
• Part type: Door Control Unit
• Category: ECUs & Computer Modules

Purpose and function of the door module

The presented door controller is dedicated for installation in the rear part of the vehicle, on either the left or right side, where it acts as a local management center for door electronics. As a component integrated into the vehicle's network, the module works with the main control unit, transmitting signals and executing commands related to the operation of electrical systems in the doors. By using an original module from the Electronic control modules and controllers group, compatibility with the factory installation architecture is maintained, which reduces the risk of communication errors, system malfunctions, and diagnostic issues.

Benefits of using an original Ford controller

Using a factory door module in the Ford Focus Mk3 allows for maintaining the consistency of electrical and software parameters with the rest of the vehicle's installation. This is particularly important in modern designs, where individual controllers are interconnected within a communication bus. Key advantages of using this solution include:

• High compatibility with the factory electrical installation and vehicle software.
• Stable operation in the rear zone of the vehicle, on both the left and right sides.
• Possibility of proper diagnostics using standard Ford service tools.
• Reduction of the risk of conflicts between controllers within the vehicle network.

Vehicle placement and installation aspects

The module has been designed to operate in the rear part of the body, intended for installation on the right or left side. This solution allows for flexible use of the component depending on the vehicle configuration and service needs. When replacing the controller, it is recommended to:

• maintain the correct sequence of disconnecting and connecting the electrical installation,
• check the condition of wiring harnesses and connectors in the installation area,
• perform diagnostics after installation to verify communication with other modules. This approach allows for fully utilizing the module's potential and ensuring stable operation of the door systems in daily use.

Application in service and Ford electronics repairs

The offered door controller is particularly useful for repairs of rear door electrical systems when there are problems with the operation of electronically controlled elements or communication errors appear in the system. Replacing the module with an original component allows for restoring the correct operation of door functions without interfering with the installation design. The element will prove useful both in professional service centers and in workshops specializing in automotive electronics, where parameter repeatability and the ability to properly configure within the existing network of controllers are important. If you are planning a comprehensive repair or upgrade of the body electronics area in your Ford and need other elements from the same group, such as comfort controllers, door modules, or body ECU units, check the available parts in the Ford Electronic control modules and controllers category.

Substantive support and knowledge about electronic modules

When working with control modules, it is worth knowing the principles of their diagnostics, coding, and best practices when selecting dismantled parts. It may be helpful to familiarize yourself with materials describing the specifics of modern controllers, their communication in the vehicle network, and their impact on driving comfort and safety. More information about the operation of advanced modules, their role in vehicle architecture, and the use of proven dismantled components can be found in the article Driving pleasure for years – how to take care of iDrive systems and electronic modules in BMW 3 and 5 series models using dismantled parts?, which discusses universal principles for handling automotive electronics.