Volkswagen Golf Mk4 Passat B3 Alarm System Siren Anti-Theft Signal 1J0951605

The Volkswagen Golf Mk4 Passat B3 Alarm Siren is a component of the alarm systems category, designed to work with the vehicle's factory security system. A used siren allows you to restore the alarm system's functionality without the need for a costly replacement of the entire system, while maintaining its original operating characteristics.

Specifications and technical data

• SKU: 1J0951605
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 1J0951605
• Substitutable numbers: 1J0951605, 1J0 951 605
• Category: Anti-Theft Car Alarms

Purpose and use of the alarm siren

The Volkswagen alarm siren was designed as an integral part of the factory security system in the Golf Mk4 and Passat B3 models. It generates a clear acoustic signal in the event of a breach in the vehicle's protected zone, working in conjunction with the central alarm module and peripheral sensors.

This element is particularly useful for:

• repair of a faulty alarm system,
• restoring the full functionality of the factory security system after dismantling or damaging the previous siren,
• maintaining the consistency of the electrical installation with the manufacturer's original design.

Technical characteristics and compatibility

The alarm siren operates within the power supply and control system intended for factory-installed systems in Volkswagen vehicles. The design is compatible with the electrical system and controllers used in units with the BFS engine code, facilitating integration with the existing wiring harness.

Key features:

• Original origin – a product from the Volkswagen range, adapted to the vehicle's electrical architecture.
• Consistent communication with the alarm system – an acoustic signal generated in accordance with the operating logic of the factory controller.
• Adaptation to specific engine configuration – taking into account installation requirements in vehicles with BFS code.

Condition, origin and operating parameters

The offered alarm siren is in used condition, meaning it was dismantled from a vehicle and has been previously used. This type of part allows for a cost-effective repair of the security system while maintaining the original manufacturer's specifications.

Important operating information:

• the element comes from a vehicle with low mileage, which helps maintain a durability reserve,
• the use of the original component reduces the risk of problems with electrical compatibility and communication with control modules,
• The used condition of the part is cost-effective while maintaining the factory design.

Benefits of using the original Volkswagen alarm siren

Using an alarm system component sourced directly from the vehicle manufacturer ensures stable operation of the security system. The siren works with existing sensors, central locking, and control modules without the need for any installation modifications.

The most important advantages of installing this siren:

• maintaining factory functionality – the alarm system works as intended by the manufacturer,
• compatibility with the vehicle electronics – no need for additional adapters or wiring modifications,
• cost-effective repair – a used part allows you to reduce service costs while maintaining the appropriate level of quality.

Volkswagen alarm systems – selecting the right components

If you're looking for other Volkswagen alarm system components, check out our dedicated Volkswagen alarm system offering. You'll find components that allow for comprehensive servicing of your vehicle's security system, while maintaining consistency with the factory installation.

More about electronics and control modules

Interested in a broader understanding of electronic modules and the use of salvage parts in modern cars? Check out our blog article: How to Maintain BMW iDrive Systems and Electronic Modules Using Salvage Parts . Although it focuses on BMW models, it provides a good overview of the approach to diagnostics and the selection of used electronic components, which can also be applied to servicing alarm systems in other brands.