Audi TT 8J Dashboard Alarm Warning Sensor Security Light 8J0919238

Audi TT 8J Dashboard Alarm Warning Sensor Security Light is a precision component from the Switches, control elements and ignition locks group, responsible for the correct reading of light intensity inside and outside the vehicle. A properly selected sensor supports the stable operation of comfort systems, ensuring predictable performance of electronically controlled systems. This is a solution for users who expect the electrical system to operate consistently with the manufacturer's factory specifications.

Specifications and technical data

• SKU: 8J0919238
• Mark: Audi
• Condition: Used
• OEM Part Number: 8J0919238
• Substitutable numbers: 8J0919238, 8J0 919 238
• Rim width: 8
• Category: Switches & Controls

Function and application of the light sensor

The light sensor in the Audi TT 8J model is responsible for measuring the lighting level, which is then used by the vehicle's control systems. A properly functioning component:

• ensures stable signal transmission to control modules,
• maintains the consistency of comfort systems and onboard electronics,
• reduces the risk of incorrect readings and fault messages.

Thanks to this, the control system maintains parameters close to factory settings, and the vehicle's reactions to changes in lighting conditions remain predictable and repeatable.

Construction, integration and control group

The sensor is a component integrated with the vehicle's electrical system within the Switches, control elements and ignition locks category. This means it works with other components responsible for:

• transmitting signals to control modules,
• supporting comfort and safety functions,
• coordinating the operation of selected electronic systems.

Such grouping facilitates diagnostics and the selection of appropriate parts in the event of expansion or repair of the control system.

Performance parameters and technical fitment

The presented light sensor is intended for use in the Audi TT 8J generation, while meeting the manufacturer's requirements regarding electrical and mechanical compatibility. The component has been designed to:

• ensure a stable reading of light intensity under typical operating conditions,
• operate within the parameter range provided for the factory Audi installation,
• maintain signal consistency with other control system components.

Additionally, the product has a specified rim width in the technical data, which allows for precise matching in parts search systems, although the sensor itself is not a wheel component – this information is mainly used for categorization and filtering in catalogs.

Product characteristics and condition

The light sensor is offered as a used item, which in practice means it comes from disassembly and has been verified for suitability for further use. This type of solution allows you to:

• maintain compliance with the original manufacturer's specification,
• reduce repair costs while maintaining the factory design,
• maintain visual and mounting consistency with other interior elements.

A used control element is a good choice wherever compatibility with the existing installation and predictable behavior of electronic systems without the need for modifications is key.

Control system expansion and parts selection

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

When choosing used control components, it is also worth knowing the broader context of using original parts from disassembly in premium class vehicles – practical tips and examples can be found in the article Used parts for Mercedes – original parts from disassembly, which discusses the advantages of this approach in servicing modern cars.