Land Rover Discovery 4 L319 Windscreen Rain Sensor Unit Module 8X23-17D547-AE

Land Rover Discovery 4 L319 Windscreen Rain Sensor Unit Module 8X23-17D547-AE is a specialized component from the Electronic control modules and controllers group, responsible for the automatic operation of windshield wipers based on rainfall intensity. A properly selected rain sensor module ensures stable system operation, improves driving comfort, and supports safe vehicle operation in changing weather conditions. The offered item is an original Land Rover component, designed for use in the Discovery 4 L319 model.

Specifications and technical data

• SKU: 8X23-17D547-AE
• Mark: Land Rover
• Condition: Used
• OEM Part Number: 8X23-17D547-AE
• Substitutable numbers: LR014238, 8X23-17D547-AE, 8X2317D547AE
• Category: ECUs & Computer Modules

Function and role of the rain sensor module

The rain sensor module in the Discovery 4 L319 works with the wiper system and the vehicle's electrical installation, analyzing signals from the windshield surface and transmitting them to control the wiper arm operation. As a result, the driver receives:

• automatic adjustment of wiper frequency to rainfall intensity,
• smooth switching between operating modes,
• stable system performance in rain, drizzle, and during sudden changes in weather conditions.

A functional rain sensor module reduces the need for manual wiper adjustment, which translates into better driver concentration on the road.

Benefits of using an original Land Rover module

Using an original module dedicated to the Discovery 4 L319 ensures proper cooperation with the factory electrical installation and vehicle software. Key advantages include:

• Full compatibility with onboard systems – the module is designed for specific Land Rover electronic solutions.
• Stable operating parameters – maintaining the manufacturer's specified response characteristics to precipitation.
• Possibility of integration with existing equipment configuration without the need for installation modifications.

For vehicles equipped with advanced driver assistance systems, the correct selection of the rain sensor module is essential for maintaining the consistency of the entire system's operation.

Condition, origin, and practical application

The offered module comes from dismantling and is a used part, which allows for cost-effective system repair while maintaining the manufacturer's original specifications. This type of solution is particularly beneficial for servicing vehicles used intensively, where a reasonable balance between repair cost and maintaining factory parameters is important.

Replacing the rain sensor module is recommended in situations where symptoms such as incorrect wiper response to rain, operation in emergency mode, or a complete lack of automatic control occur. Installing the correct module restores proper system operation and increases driving comfort in the rain.

Land Rover electronic control modules and controllers

If you are planning a comprehensive repair or upgrade of the body electronics area in your Land Rover and need other elements from the same group, such as comfort controllers, body modules, or other vehicle management systems, check the available parts in the Land Rover electronic control modules and controllers category.

Technical support and selection of used modules

When selecting used electronic components, it is worth knowing the basic principles of verifying compatibility and ways to minimize the risk of installation errors. Practical tips on working with control modules, multimedia systems, and controllers in modern cars can be found in the article Comprehensive supply: From the engine to the smallest clip – how to complete used car parts in one place?, which discusses the advantages of using original parts from dismantling and the One-Stop-Shop approach.

Additionally, if you are interested in the broader context of operation and service of advanced electronic systems in premium vehicles, it is worth reading the material Driving pleasure for years – how to take care of iDrive systems and electronic modules in BMW 3 and 5 series models using parts from dismantling?, which shows how properly selected modules affect the long-term reliability of electronics.