Audi S4 B8 Chip Card Reader for Road Toll Japan Module Unit ECU 4F0919813C

Audi S4 B8 Chip Card Reader for Road Toll Japan Module Unit ECU is a specialized ECU module designed for integration with the toll collection system in vehicles used on the Japanese market. This component from the Console Parts group works with the factory electronics, providing convenient access to road functions without interfering with the vehicle's base architecture.

Specifications and technical data

• SKU: 4F0919813C
• Mark: Audi
• Condition: Used
• OEM Part Number: 4F0919813C
• Substitutable numbers: 4F0919813C, 4F0 919 813 C
• Location on the vehicle: Front
• Upholstery material: Leather
• Category: Centre & Overhead Console Parts

Application and function in the Audi S4 B8

The presented chip card reader module is designed for installation in the front part of the cabin, within the center console or control panel. Its task is to handle road cards used in toll collection systems in Japan, integrated with the Audi onboard electronics. Thanks to this, the driver receives an organized, factory-intended card handling point, without the need for additional, external devices.

This solution is particularly important in vehicles imported from the Japanese market, where road toll systems are widely used. The dedicated ECU module allows for maintaining the consistency of the electrical installation and the aesthetics of the interior, which is important both for daily use and for the future resale of the car.

Construction, integration, and materials

The reader is designed as an element mounted in the front console zone, taking into account the ergonomics of operation by the driver. The module's construction enables its integration with factory wiring harnesses and trim panels, which facilitates service and potential replacement. The use of a finish related to leather upholstery allows for a harmonious match with the interiors of premium Audi S4 B8 versions, where leather is the dominant material.

This element belongs to the Console Parts group, which means it is designed for precise fitting with the surrounding panels, buttons, and control modules. As a result, a consistent stylistic line of the cockpit is maintained, and the reader itself does not look like an additional, foreign element, but like an integral part of the factory equipment.

Benefits of using the original ECU module

Choosing an original Audi solution for road card handling brings a number of practical advantages:

• preservation of the factory electrical architecture and ECU communication,
• consistent fit with console panels and trim elements,
• easier diagnostics in case of electronics service,
• no need for additional holders or cables in the cabin.

For users who value order in the cockpit and predictable operation of electronic systems, the dedicated chip card reader is a much more functional solution than universal devices mounted provisionally.

Characteristics of the used product

The offered module is a used item, which in practice means it comes from vehicle dismantling and may show typical signs of visual wear, while maintaining the functionality required for further use. For many users, this is a reasonable compromise between cost and maintaining the original vehicle specification, especially in the case of specialized interior electronics components.

When selecting such a component, it is crucial to match it to the specific equipment version and the target market of the vehicle. Using the correct ECU module minimizes the risk of software conflicts and facilitates cooperation with existing comfort and safety systems.

Interior configuration expansion and further upgrades

If you are planning a comprehensive repair or modernization of the center console area in your Audi and need other elements from the same group, such as control panels, mounting frames, or additional functional modules, check the available parts in the Audi Console Parts category.

For drivers interested in comparing solutions used in different brands and sports equipment lines, an article describing the differences between standard and premium sports components may be useful – you can find more information in the material BMW M Performance: how do BMW M components differ from standard ones?, which helps to understand the manufacturers' approach to designing the interior, suspension, brakes, and drivetrain.