Ford B-Max 1.0 SFJA Petrol EcoSport Start Stop Switch Power Button AV1TD3LOB

Ford B-Max 1.0 SFJA Petrol EcoSport Start Stop Switch Power Button is an original component from the Switches, control elements and ignition switches group, designed for operating the engine start system in petrol-powered vehicles. This factory-original button ensures consistent operation with the vehicle's electronics, maintaining the correct ignition and power control logic. By using an original solution, you maintain full functionality of the start/stop system without the need for any wiring modifications.

Specifications and technical data

• SKU: AV1TD3LOB
• Mark: Ford
• Condition: Used
• OEM Part Number: AV1TD3LOB
• Substitutable numbers: AV1TD3LOB, AV1T-D3L0B-14C376AA, AV1TD3L0B14C376AA
• Fuel type: Petrol
• Part type: Push Button
• Category: Switches & Controls

Purpose and function in the ignition system

The start/stop button in the Ford B-Max 1.0 SFJA is responsible for controlling the electronic ignition switch, replacing the traditional mechanical lock. The component works with the key recognition system and body control modules, allowing for the switching of the ignition on and off as well as starting the petrol engine with a single, controlled signal. Using the original switch allows for maintaining the correct operating sequence of all related systems, such as accessory power, the starting system, or comfort functions.

Benefits of using the original switch

Choosing a factory start/stop button from the Switches, control elements and ignition switches group ensures high electrical and mechanical compatibility with the vehicle's wiring. The appropriate contact parameters, harness fitment, and correct operating characteristics of the button minimize the risk of communication errors with control modules. This is particularly important in vehicles with complex electronics, where an incorrect component can cause starting problems, error messages, or unstable operation of the start/stop system. The component comes from the Ford OEM segment, which means it maintains factory standards of workmanship, ergonomics, and panel markings. As a result, the vehicle's interior remains visually consistent, and the driver benefits from a button with a familiar, predictable travel and actuation force, which translates into daily driving comfort.

Application in petrol vehicles

The button has been designed to work with a petrol power system, which is significant for the starting control logic and compatibility with the appropriate maps in the engine control unit. Proper matching to the fuel version limits the risk of improper operation of the ignition function, component warm-up times, or accessory handling during startup. Replacing it with a compatible component is especially important when diagnosing starting problems or unstable operation of the start/stop system.

Characteristics of the used component

The offered start/stop button is a used part, sourced from dismantling, which allows for economical repair while maintaining the original specification. Such components are frequently chosen for post-accident repairs, mechanical damage to the center console, or problems resulting from intensive use of the button. Using an original, used component is often a beneficial compromise between cost and maintaining factory quality.

Integration with other Ford control elements

The start/stop button belongs to the same functional group as other switches and control elements in the cabin, which is why its proper operation affects the overall ergonomics of vehicle handling. In the case of modernization or repair of the starting system, it is worth paying attention to the consistency of the components used to avoid problems with communication in the vehicle network and the power supply of individual circuits. If you are planning a comprehensive repair or modernization of the ignition and power control zone in your Ford and need other elements from the same group, such as function buttons, control modules, or electronic ignition switch components, check the available parts in the Ford switches, control elements and ignition switches category.

Additional technical support

When selecting used OEM components, such as buttons, modules, or installation components, it is worth being guided not only by model compatibility but also by the technical condition and correct identification of the part. In the case of comfort and power systems, it is particularly important to maintain proper cooperation with the body electronics as well as the air conditioning and heating system, which often use the same power lines and operating logic. For users interested in a broader approach to servicing comfort and power systems in the car, a practical guide has been prepared – more information can be found in the article Air conditioning and heating – part selection and maintenance for year-round comfort.