Audi A6 C7 A7 4G Alarm Signal Control Module ECU 4G0907159D

Audi A6 C7 A7 4G Alarm Signal Control Module ECU is an original component from the Electronic control modules and controllers group, designed for vehicles with petrol engines. It ensures precise management of the alarm signal, supporting the vehicle's factory security features and maintaining the integrity of the entire electronic system.

Specifications and technical data

• SKU: 4G0907159D
• Mark: Audi
• Condition: Used
• OEM Part Number: 4G0907159D
• Substitutable numbers: 4H0907159A, 4H0 907 159 A, 4G0907159D, 4G0 907 159 D
• Fuel type: Petrol
• Part type: Central Timing Module
• Category: ECUs & Computer Modules

Purpose and function in the vehicle

The presented alarm controller is dedicated to Audi A6 C7 generation and Audi A7 4G series models with petrol engines. As a component of the security system, it is responsible for controlling the alarm sound signal, working in conjunction with other body modules and the vehicle's electrical installation. A properly selected alarm siren ECU module allows for full integration with the factory comfort and security system, without the need for wiring modifications or the use of additional adapters. As a result, the alarm system operates stably, and communication with other controllers proceeds according to the manufacturer's specifications.

Benefits of using an original Audi module

As an Audi brand product, the module belongs to the group of original electronic controllers, which translates into maintaining operating parameters consistent with the vehicle's factory configuration. This means, among other things, correct handling of the alarm signal, no conflicts with other controllers, and proper cooperation with the installation designed for petrol engines. Choosing a used, original control module is often a more predictable solution than cheap replacements, as it maintains hardware and software compatibility with the Audi 4G platform. This is particularly important in the case of modern security systems, where many functions are logically interconnected.

Application in petrol vehicles

The module is designed to work with the electrical installation of petrol-powered vehicles. Proper matching to the electrical architecture of such engine versions reduces the risk of communication errors in the vehicle network and facilitates diagnostics if necessary. For workshops and users, this means the possibility of efficient component replacement as part of alarm system maintenance, without the need to modify the configuration for other fuel types.

Condition and installation aspects

The item is in used condition, which allows for an economical repair of the security system while maintaining the manufacturer's original specifications. Such modules are typically installed in place of the factory controller, using existing connectors and mounts, which facilitates quick service. Before installation, standard workshop procedures are recommended: verification of vehicle compatibility, inspection of the electrical installation, and – if necessary – adaptation using appropriate diagnostic software, in accordance with Audi procedures.

Choosing used electronics – practical tips

When choosing a used alarm controller, it is worth paying attention to compatibility with the vehicle platform, fuel type, and functional group within the security system. General principles for selecting automotive electronics – from verifying the intended use to proper installation and post-installation testing – can also be helpful. A detailed discussion of these issues can be found in the article The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?, which contains practical advice on purchasing and installing used modules. If you are planning a comprehensive repair or upgrade of the electronic control systems in your Audi and need other components from the same group, such as comfort modules, body controllers, or other ECU units, check the available parts in the Audi electronic control modules and controllers category.