VW Polo Mk5 Seat Ibiza Mk4 Roof Alarm Monitor Module Sensor Unit 6C0951171

VW Polo Mk5 Seat Ibiza Mk4 Roof Alarm Monitor Module Sensor Unit is an original roof alarm monitoring module from the Switches, control elements and ignition switches group, designed for factory installations in Volkswagen vehicles. This component is responsible for precise detection of intrusions within the cabin and roof area, working in conjunction with the vehicle's central security system.

Specifications and technical data

• SKU: 6C0951171-2
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 6C0951171
• Substitutable numbers: 6C0951171, 6C0 951 171, 5Q0951171, 5Q0 951 171
• Category: Switches & Controls

Function and application of the roof alarm module

The presented module acts as a sensor and monitoring unit for the alarm system in the roof area, which is particularly important in vehicles with advanced security systems. It is responsible for transmitting signals regarding interior intrusion to the central controller, supporting protection against unauthorized access.

Thanks to its factory origin from the Volkswagen range, the module is optimized for compatibility with the original electrical installation, wiring harnesses, and the alarm system logic in the VW Polo Mk5 and Seat Ibiza Mk4.

Construction and integration with the control system

The roof alarm module belongs to the Switches, control elements and ignition switches group, meaning it is part of a broader vehicle comfort and security control system. The design provided by the manufacturer allows for:

• direct connection to the original electrical harness,
• stable communication with the central comfort or alarm controller,
• preservation of the factory security system operating logic.

Such a solution reduces the risk of communication errors, unwanted alarms, and electronic diagnostic issues.

Benefits of using an original Volkswagen module

Using an original roof alarm monitoring module offers a number of practical benefits:

• Factory compatibility – a component designed specifically for VW Polo Mk5 and Seat Ibiza Mk4 alarm systems, with no need for installation modifications.
• Stable alarm system operation – correct recognition of interior and roof intrusions, without accidental triggers resulting from component incompatibility.
• Easier diagnostics – the module works with factory service procedures and diagnostic testers, which facilitates checking the system's operation if necessary.

For users who want to maintain the consistency of the car's electronics, choosing an original component from this group is a safe and predictable solution.

Characteristics of the used component

The offered module comes from disassembly and is sold as a used part, which allows for a significant reduction in repair costs compared to purchasing a new OEM component. At the same time, compliance with the manufacturer's factory specifications is maintained, which is crucial for electronic components responsible for safety.

Choosing a used roof alarm module is particularly beneficial for post-accident repairs, replacing damaged electronics after flooding, or when dealing with malfunctions of the alarm system that require the replacement of the entire assembly.

Expanding the control system in Volkswagen vehicles

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

More practical information about the advantages of using original, used components from disassembly in premium class cars can be found in the article Used parts for Mercedes – original parts from disassembly, which shows how to reasonably combine OEM quality with service cost control.