VW Golf Mk6 LED Module DRL Daytime Running Lights Regulator Unit 4H0907472F

VW Golf Mk6 LED Module DRL Daytime Running Lights Regulator Unit is a specialized controller designed to operate factory LED daytime running lights in Volkswagen vehicles. This component is responsible for the precise control of DRL operation, ensuring stable power supply, correct lighting function, and compatibility with the vehicle's electrical system.

Specifications and technical data

• SKU: 4H0907472F
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 4H0907472F
• Substitutable numbers: 4H0907472F, 4H0 907 472 F
• Part type: Daytime Running Light Assembly
• Category: Daytime Running Lights

Purpose and function of the DRL controller

The presented module is dedicated to the Daytime Running Lights system in sixth-generation Golf models equipped with LED technology. The controller is responsible for:

• controlling the power supply to the LEDs in the daytime running lamps,
• cooperating with the vehicle's electrical system and the bulb monitoring system,
• correct switching on and off of daytime running lights in accordance with factory logic. As a result, the lighting system maintains stable operating parameters, and the driver receives a clear, compliant light signal during the day.

Construction, integration, and technical aspects

The VW Golf Mk6 LED Module DRL Daytime Running Lights Regulator Unit has been designed as an OEM installation component, which means full integration with the vehicle's wiring harness and electronic architecture. The design provides for:

• the use of dedicated connectors for the factory wiring harness,
• compatibility with the on-board diagnostic system,
• appropriate protection against overloads and errors in the daytime running light circuit. Such a solution facilitates installation and reduces the risk of errors that often occur when using universal, non-factory controllers.

Benefits of using the original module

Using a factory DRL controller in a sixth-generation Golf allows for maintaining the consistency of the entire lighting system. Key advantages include:

• compatibility with the factory installation – no need for wiring modifications or additional adapters,
• stable operation of LED daytime running lights, without flickering or errors on the instrument cluster,
• maintaining the original lighting operation logic, including interaction with other vehicle functions. This solution is particularly recommended when replacing a damaged controller after a failure, water ingress, or errors in the daytime running light circuit.

Component condition and practical application

The offered module comes from the secondary market, which allows for an economical repair of the lighting system while maintaining the manufacturer's original specifications. Before installation, it is recommended to perform a standard verification of the vehicle's electrical system to rule out damage to wires, connectors, or the LED lamps themselves, which could overload the controller again. In practice, replacing the DRL controller is often the fastest way to restore full functionality of daytime running lights in a sixth-generation Golf, especially when diagnostics indicate a lighting module error or lack of communication with the system.

Expanding the lighting system in a Volkswagen

If you are planning a comprehensive repair or upgrade of the exterior lighting zone in your Volkswagen and need other components from the same group, such as daytime running lamps, control modules, or additional LED elements, check the available parts in the Volkswagen Daytime Running Lights category. For more advanced drivetrain modifications or gear ratio changes in your car, it is also worth expanding your knowledge on selecting mechanical components – you will find practical tips in the article Dismantled drive axles and differentials – how to choose gear ratios for your driving style, which discusses the relationships between gear ratios, driving characteristics, and the selection of used components.