Audi A4 A5 B9 Headlight Headlamp Control Switch 4M0941531AA

Audi A4 A5 B9 Headlight Headlamp Control Switch is an original component from the Switches, control elements and ignition switches group, designed specifically for the lighting system in Audi vehicles. It allows for precise control of the lights from the cockpit, maintaining factory ergonomics and visual consistency of the interior.

Specifications and technical data

• SKU: 4M0941531AA
• Mark: Audi
• Condition: Used
• OEM Part Number: 4M0941531AA
• Substitutable numbers: 4M0941531AA, 4M0 941 531 AA
• Category: Switches & Controls

Purpose and function in the vehicle

The headlight control panel in the Audi A4 B9 is responsible for operating the basic and extended functions of the vehicle's lighting. Using an original switch ensures:

• proper cooperation with the vehicle's electrical system,
• maintenance of the factory lighting system's operating logic,
• consistency with other dashboard elements.

Thanks to this, the driver receives clear, intuitive access to lighting controls, which translates into safe and comfortable operation of the car.

Construction and fitment for Audi

The switch was developed by the Audi brand as an OEM component, which means a perfect fit for factory mounts, wiring harnesses, and finishing standards. The panel design is integrated, ensuring that:

• electrical connectors fit directly into the original wiring harness,
• the housing blends in with the center console and side panels,
• markings and pictograms comply with the factory Audi standard.

Such a solution reduces the risk of installation problems and eliminates the need for wiring modifications.

Performance characteristics and condition

The offered headlight control panel is a used item, which in practice means it comes from disassembly and has been verified for suitability for further use. This type of part is particularly attractive to users who:

• want to restore full lighting functionality after a switch failure,
• are looking for a factory replacement instead of universal solutions,
• care about maintaining the original character of the Audi A4 B9 interior.

Choosing an original panel from the secondary market allows you to combine repair cost control with maintaining compliance with the vehicle's factory specifications.

Product group and control system expansion

The switch belongs to the Switches, control elements and ignition switches group, i.e., components responsible for operating key vehicle functions from the cabin level. Replacing this element often accompanies other work within the cockpit, such as lighting upgrades, wiring repairs, or refreshing control panels.

If you are planning a comprehensive repair or upgrade of the cockpit area in your Audi and need other elements from the same group, such as additional switches, control modules, or ignition switch components, check the available parts in the Audi Switches, control elements and ignition switches category.

Operational safety and selection of used parts

A functional light control panel has a direct impact on the vehicle's visibility on the road and the ability to react quickly to changing driving conditions. When selecting used components for safety-critical systems, it is worth following proven verification procedures. Practical tips on purchasing parts from the secondary market can be found in the guide Second-hand braking system: how to safely select discs, calipers, and ABS?, which discusses universal principles for assessing the condition of used parts in a specialized store.

Summary

Audi A4 A5 B9 Headlight Headlamp Control Switch is a functional, factory-fitted OEM element that allows you to restore or maintain proper lighting operation in your Audi. Using an original switch from the Switches, control elements and ignition switches group supports the reliability of the electrical system, preserves the visual consistency of the interior, and is a sensible choice for professional vehicle repair or modernization.