Audi A4 B7 Passenger Air Module OFF Switch Warning Light 8E2919234B

The Audi A4 B7 Passenger Air Module OFF Switch Warning Light is a specialized switch responsible for indicating the deactivation of the passenger airbag in the Audi A4 B7 generation. This component, from the Switches, Control Elements, and Ignition Switches group, provides clear information about the airbag module's status, which is important for both safety and compliance with the vehicle's diagnostic requirements. Thanks to its factory design, the switch is properly fitted to the electrical system and the Audi's cockpit panel.

Specifications and technical data

• SKU: RHD-8E2919234B
• Mark: Audi
• Condition: Used
• OEM Part Number: 8E2919234B
• Substitutable numbers: 8E2919234B, 8E2 919 234 B
• Category: Switches & Controls

Function and Application in Audi A4 B7

The passenger airbag deactivation switch with an OFF indicator light is part of the passive safety control system, working in conjunction with the airbag module and the dashboard signaling system. Its tasks include:

• enabling control over the passenger-side airbag status,
• transmitting information about the current status to the airbag system,
• displaying a clear light signal indicating the deactivation of the airbag module.

This provides the driver with unambiguous information about the safety configuration, which is particularly important when transporting a child seat on the front seat or in other specific usage scenarios.

Construction and Integration with the Control System

The switch is designed as a component compatible with the factory Audi electrical system, facilitating its integration with the wiring harness and the control panel in the console. The design includes:

• a dedicated connector for the vehicle's wiring,
• a built-in indicator light informing about the OFF status of the passenger module,
• a housing adapted for installation in the original location designated by the manufacturer.

This solution helps maintain the visual consistency of the interior and ensures proper cooperation with the onboard diagnostic system, reducing the risk of errors appearing in the airbag control unit's memory.

Benefits of Using a Used Original Part

Choosing a used, original switch for the Audi A4 B7 allows for maintaining the factory operating parameters of the safety system while optimizing service costs. Key advantages include:

• compliance with Audi's factory standard regarding electrical signals and operating logic,
• proper fit for the control panel and vehicle interior,
• the ability to restore full functionality of the passenger module's OFF indicator after the failure of the previous component.

For workshops and individual users, this means efficient resolution of faults related to passenger airbag operation and a reduced risk of the warning light malfunctioning.

Selection and Diagnostics in the Context of Safety

When selecting a passenger airbag deactivation switch, it is important to pay attention to compatibility with the vehicle's generation and airbag system configuration. A correctly chosen component:

• works with the existing airbag control unit,
• does not generate additional errors in the diagnostic system,
• ensures stable operation of the OFF warning light.

For a more comprehensive understanding of safe component selection related to safety, including components associated with the braking system and assistance systems, it is worth consulting the guide: Used Braking System: How to Safely Choose Discs, Calipers, and ABS?.

Expanding Service for Audi Control and Electronics

If you are planning a comprehensive repair or upgrade of the cockpit area and control panels in your Audi and need other parts from the same group, such as function buttons, light switches, or control modules, check the available parts in the category Audi Switches, Control Elements, and Ignition Switches.