Ford Focus Mk3 Keyless Entry Control Module Antenna Unit DS7T-15K603-AA

Ford Focus III Key Fob Antenna Amplifier Control Module is a component from the Electronic Control Modules and Controllers category, responsible for stable signal handling between the key fob and the vehicle's electronics. This solution is designed for users who want to restore the correct operation of the car's remote access and start system while maintaining the factory installation architecture.

Specifications and technical data

• SKU: DS7T-15K603-AA
• Mark: Ford
• Condition: Used
• OEM Part Number: DS7T-15K603-AA
• Substitutable numbers: DS7T-15K603-AA, DS7T15K603AA
• Category: ECUs & Computer Modules

Purpose and Function in the Vehicle

The Ford Focus III Key Fob Antenna Amplifier Control Module operates within the electronic system responsible for communication with the vehicle's key fob. Its task is to handle the radio signal and cooperate with the security system, in order to:

• ensure stable reception of the key fob signal under typical operating conditions,
• maintain proper cooperation with the factory control system for locks and starting,
• minimize communication interference between the key fob and the vehicle's electronics.

By using an original solution from the Electronic Control Modules and Controllers group, consistency with the Ford factory electrical installation is maintained, without the need for modifications to wiring harnesses or software beyond the standard service procedure.

Benefits of Using an Original Ford Module

Choosing a Ford component from this product group translates into a number of practical advantages in daily vehicle operation:

• Factory Compatibility – the module is designed to work with the original electrical and electronic architecture of the Ford Focus III.
• Stable Key Fob System Operation – a properly functioning antenna amplifier reduces problems with key fob recognition and remote control range.
• Consistency with the Security System – maintaining the integrity of the immobilizer and central locking system as intended by the manufacturer.
• Reduced Risk of Communication Errors – using a module from the same product line as factory components reduces the risk of conflicts within the vehicle's electronic network.

Characteristics of the Used Module

The offered component comes from the segment of used Electronic Control Modules and Controllers, allowing for an economical restoration of system functionality while maintaining the original design. This type of solution is particularly beneficial when:

• the existing module has been damaged due to electrical or mechanical failure,
• problems with key fob recognition or remote control range occur,
• the component needs to be replaced without interfering with other system components.

A used module with retained functionality allows for maintaining a proper balance between repair costs and compliance with Ford's factory solutions.

Selection, Reference Numbers, and Compatibility

When selecting such a component, matching it to the specific vehicle configuration is crucial, including compatibility with the OEM part number and interchangeable numbers. Proper selection ensures:

• correct cooperation with the existing installation without the need for modifications,
• maintenance of full key fob system functionality after installation,
• reduction of diagnostic error risks in the vehicle's electronic systems.

If you want to delve deeper into selecting used electronic modules by OEM numbers and hardware-software compatibility, it is worth consulting the guide: used car electronics – how to safely select control modules and sensors by OEM numbers.

System Expansion and Related Ford Modules

In case of system expansion or comprehensive repair of the control system, it is worth considering other Ford Electronic Control Modules and Controllers that cooperate with the security and comfort system. If you need additional components from the same group, check the available Ford Electronic Control Modules and Controllers to maintain the consistency of the entire system.