Volkswagen Polo Mk6 Audi A1 GB Air Module Sensor Control Unit ECU 2Q0959655BL

Volkswagen Polo Mk6 Audi A1 GB Air Module Sensor Control Unit ECU is an original component from the Electronic control modules and controllers group, designed to manage the operation of the passive safety system. This used airbag ECU ensures factory-standard system logic and allows for professional post-collision repair or replacement of a damaged module without interfering with the vehicle's wiring structure.

Specifications and technical data

• SKU: 2Q0959655BL
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 2Q0959655BL
• Substitutable numbers: 2Q0959655BL, 2Q0 959 655 BL
• Category: ECUs & Computer Modules

Purpose and function of the controller

This airbag controller is designed to work with the airbag system and crash sensors in sixth-generation Volkswagen Polo and Audi A1 GB models. It is responsible for analyzing signals from acceleration sensors, deciding on the deployment of airbags and seat belt tensioners, and communicating with other vehicle modules via the data bus.

Thanks to the factory architecture of the system, the module maintains compatibility with the vehicle's original software, which facilitates diagnostics, coding, and adaptation using professional service testers.

Advantages of using an original airbag ECU module

Choosing an original module from the Volkswagen group allows you to maintain the integrity of the entire safety system. In practice, this means:

• Full integration with the existing wiring harness and vehicle electronics architecture.
• The ability to correctly read and clear error codes using factory diagnostic software.
• Proper matching to the configuration of airbags, tensioners, and sensors intended for a given equipment version.
• Stable system operation under road conditions, in accordance with the manufacturer's specifications.

A used controller with an intact OEM structure is a solution that allows you to combine repair cost control with maintaining a high level of safety.

Condition, verification, and preparation for installation

The item comes from dismantling and is offered as a used electronic module. Such controllers are usually subjected to preliminary inspection for mechanical damage to the housing and connectors, as well as checked for diagnostic communication capabilities. Before installation in the vehicle, it is recommended to perform full diagnostics, potential software adaptation, and verification of compatibility with the specific vehicle configuration.

Due to the nature of safety-related electronic parts, installation should be performed by a qualified service center, following the manufacturer's procedures and including subsequent verification of the airbag system's operation.

OEM selection and compatibility – technical support

When selecting an airbag controller, it is crucial to match it by OEM number, hardware and software version, and vehicle model. It is worth consulting our guide on used automotive electronics, which discusses the principles of module selection, compatibility issues, and frequently asked questions – details can be found in the article Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?.

Expansion of the control system in the Volkswagen group

If you are planning a comprehensive repair or upgrade of the control electronics in your Volkswagen and need other components from the same group, such as comfort controllers, body modules, or safety system management units, check out the available parts in the Volkswagen electronic control modules and controllers category.