Volkswagen VW Polo 6R 5 Audi A6 C7 Air Module Crash Impact Sensor 4H0955557

Volkswagen VW Polo 6R 5 Audi A6 C7 Air Module Crash Impact Sensor is a specialized component from the Electronic control modules and controllers group, responsible for precise detection of deceleration during a collision. This component works with the airbag system, ensuring rapid signal transmission to the airbag control unit and the correct response of the safety system.

Specifications and technical data

• SKU: 4H0955557
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 4H0955557
• Substitutable numbers: 4H0955557, 4H0 955 557
• Category: ECUs & Computer Modules

Function and role in the safety system

The airbag impact sensor plays a key role in the electronic architecture of Volkswagen and Audi vehicles, monitoring acceleration and sudden changes in body speed. Based on this data, the airbag control unit decides whether to deploy the airbags and seatbelt tensioners, which has a direct impact on the protection of the driver and passengers.

Its placement in the body structure and connection to other control modules make it a component that requires compliance with the manufacturer's factory specifications. Using the correct sensor allows for maintaining the consistency of the entire SRS system and avoiding diagnostic errors in the control unit's memory.

Compatibility with Volkswagen VW Polo 6R and Audi A6 C7

The presented sensor has been designed to work in Volkswagen VW Polo 6R and Audi A6 C7 vehicles, where it works with the original airbag control unit and the vehicle's electrical installation. This makes it possible to maintain the factory safety system response parameters and correct communication with other modules in the vehicle network.

Selecting a component from the same construction group as the one installed on the production line minimizes the risk of system malfunction, dashboard errors, and problems during periodic inspections or computer diagnostics.

Characteristics as an electronic control module

As an element from the Electronic control modules and controllers category, the airbag impact sensor is part of an extensive network of controllers responsible for active and passive safety. It works with the central airbag module, using high-speed communication lines and precisely calibrated activation thresholds.

The main advantages of using an original module include:

• maintaining the factory logic of the airbag system,
• proper cooperation with the SRS control unit software,
• reduction of the risk of errors and warning lights appearing,
• consistency with service documentation and diagnostic procedures.

Product condition and service application

The offered sensor comes from the used OEM components segment, which allows for an economical repair of the airbag system while maintaining the original manufacturer's specification. This type of solution is particularly beneficial for post-accident repairs when it is necessary to replace several safety system elements at the same time.

In workshop practice, the impact sensor is used both when restoring the full functionality of the SRS system after airbag deployment and when removing faults related to side or front sensor errors. A correctly selected component allows for restoring the proper operation of the system without interfering with the electrical installation structure.

Volkswagen electronic control modules and controllers – expansion and service

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

More about the role of original used parts in Audi

In Audi vehicles, such as the A6 C7, maintaining the characteristic operation of safety and comfort systems is strictly linked to the use of the correct electronic modules. If you want to better understand how original used components – including controllers and modules responsible for safety – affect the vehicle's behavior, it is worth reading the article Audi and emotions in their purest form. How do used parts help maintain the brand's DNA?.