Marelli LRB400 Lighting Control Module

Lighting Control Module Overview

The Marelli LRB400 lighting control module is a direct-fit electrical control component for a wide range of Volkswagen and Audi applications. It is built for vehicles that rely on centralized lighting management and consistent module communication.

Compatible With Volkswagen Golf, GTI, Jetta, Eos, and related Audi models across multiple platform years, this module supports replacement needs where the original lighting control unit has failed or become unreliable. The LRB400 part number is the key reference for matching the correct module to the application.

Key Features

• Lighting control module for vehicle electrical system integration
• Direct-fit replacement for supported Volkswagen and Audi applications
• Matches the LRB400 part number for accurate ordering
• Broad fitment across multiple model lines and model years
• Suitable for vehicles with centralized lighting control architecture

Detailed Description

The Marelli LRB400 is a lighting control module used in vehicles that depend on electronic control for exterior and interior lighting functions. Fitment includes Volkswagen Golf, Golf SportWagen, GTI, Jetta, Eos, Transporter, Caddy, e-Golf, Clasico, Multivan, and Audi A1, A3, A4, A4 allroad, A5, A6, A6 Quattro, A8 Quattro, Q3 Quattro, Q5, Q7, RS5, S3, S4, S5, S6, S8, and SQ5 applications. If your vehicle calls for part number LRB400, this module provides the correct replacement path for the listed applications.

This part cross-references no listed interchange numbers in the provided data. For buyers searching by vehicle, the LRB400 is a relevant match for Volkswagen Golf and Audi A4 Quattro lighting control module replacement needs, as well as other supported models in the fitment table.

What It Is Used For

• Replacing a failed lighting control module
• Restoring proper lighting system communication
• Addressing intermittent or nonresponsive lighting control behavior
• Correcting module-related electrical faults in supported vehicles
• Returning factory-style lighting control operation

Installation Notes and Tips

Verify the part number LRB400 against the original module before ordering. Confirm the vehicle year, make, and model exactly as listed in the fitment table, since this module is application-specific. After installation, follow the vehicle’s diagnostic and coding procedures if required by the system.

Quality Assurance

Marelli supplies OE-level electrical components for automotive applications, and this module is identified by the LRB400 part number for precise fitment matching. Use the fitment table to confirm compatibility with your Volkswagen or Audi model before installation.