Land Rover Discovery L319 Solar Sun Sensor Unit AH22-043C26-AA

The Land Rover Discovery L319 Sunload Sensor is responsible for precisely measuring light intensity, which is crucial for the proper functioning of the automatic climate control and related comfort systems. This offered sensor, from the range of genuine Land Rover components, allows you to restore the correct operation of the vehicle's interior control systems without the need for costly installation modifications.

Specifications and technical data

• SKU: AH22-043C26-AA
• Mark: Land Rover
• Condition: Used
• OEM Part Number: AH22-043C26-AA
• Substitutable numbers: AH22-043C26-AA, AH22043C26AA
• Category: Other Interior Parts & Accessories

Function and Application of the Sunload Sensor

The sunload sensor in the Discovery L319 model works with the climate control module, providing it with information about the current cabin sun exposure. Based on this, the system can appropriately adjust:

• the fan speed on the driver and passenger sides,
• the set temperature in individual zones,
• the system's response to sudden changes in lighting conditions (e.g., exiting a tunnel).

A functional sensor helps maintain stable thermal conditions in the cabin, which translates to higher driving comfort and more predictable operation of the automatic climate control.

Benefits of Using a Genuine Land Rover Part

Using a sensor specifically designed for the Discovery L319 ensures:

• full electrical compatibility with the vehicle's factory wiring harness and control unit,
• correct measurement characteristics tailored to the climate control software,
• stable operation across a wide range of temperatures and lighting conditions.

This helps avoid problems typical of aftermarket parts, such as incorrect readings, unpredictable fan operation, or intermittent comfort system fault messages.

Component Condition and Installation Aspects

The offered sunload sensor is a used component, which in practice means a favorable cost-to-functionality ratio while maintaining the original manufacturer's specifications. Such a part, when properly removed and stored, retains its measurement properties, and its installation does not require any intervention in the vehicle's electrical system.

In most cases, installation involves:

• removing the cover at the sensor's factory location,
• replacing the old part with a functional one,
• connecting to the existing wiring harness without additional modifications.

This solution allows for a quick restoration of the climate control system's proper operation and avoids lengthy diagnostics associated with unreliable aftermarket parts.

Why Choose This Sunload Sensor

For the Discovery L319, a properly functioning sunload sensor directly impacts interior thermal comfort and the stability of the climate control system. By choosing a genuine part from the Other category, you gain:

• preservation of the factory climate control logic,
• reduced risk of diagnostic errors related to incompatible parts,
• reasonable repair costs while maintaining manufacturer standards.

If you are also looking for other components from the Other category dedicated to this brand, check out our offer for other Land Rover parts, where you will find a wide selection of genuine components.

More on Differences Between Sport and Standard Versions

Are you interested in how manufacturers differentiate equipment and components between standard and sport versions, including in terms of electronics and sensors? See an analysis using another brand as an example in the article Audi RS vs. Other Models – What's Under the Hood and Chassis?, which discusses differences in construction, accessories, and parts selection.