2021 Land Rover Range Rover Sport Cruise Control Isn't Working

Addressing Cruise Control Issues in 2021 Land Rover Range Rover Sport

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Reviewed by
Andrew Hajjar
Written by RepairPal Car Genius
Updated January 14, 2025
0%
30% chance it's the
Sensor
0%
25% chance it's the
Control Module
0%
25% chance it's the
Throttle
0%
20% chance it's
Something else
The most common reasons a 2021 Land Rover Range Rover Sport cruise control isn't working are failed control module, sensor or switch issues, or throttle actuation problems.
  • Sensor: A faulty or malfunctioning sensor can lead to incorrect readings, causing issues with engine performance or other systems relying on accurate data.
  • Control Module: A faulty control module can lead to erratic vehicle behavior or failure of various electronic systems due to improper signal processing.
  • Throttle: A faulty throttle body or a defective accelerator pedal position sensor may be causing inconsistent throttle response.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

How much does it cost to fix a 2021 Land Rover Range Rover Sport cruise control isn't working?

Common Repairs

The total repair cost will vary based on the condition of your vehicle and the number of repairs needed to fix your symptom. Proper diagnosis will save you money by finding the exact repairs needed to fix your car right the first time.

In the event that a wheel speed sensor fails, the ABS, traction control system (TCS) and manufacturer specific stability control system lights will illuminate, informing the driver that the systems are disabled. The vehicle will be more prone to tire slip, and normal driving patterns may need to be adjusted to correct for the loss of computer control. On older vehicle's, the speedometer can be affected, causing illumination of the check engine light as well.

What are the initial diagnostic steps to troubleshoot the non-functional cruise control in a 2021 Land Rover Range Rover Sport?

When faced with a non-functional cruise control in your 2021 Land Rover Range Rover Sport, start by checking the cruise control fuse to rule out any electrical issues; a blown fuse can often be the simplest fix. Next, verify that the cruise control settings are correctly configured and activated, as incorrect settings can prevent the system from engaging. Utilizing a diagnostic scanner to check for error codes can provide insights into any underlying problems that may not be immediately visible. Additionally, inspect the cruise control buttons on the steering wheel to ensure they are not stuck or malfunctioning, as this can hinder operation. Testing the cruise control module is also crucial, as it must send signals correctly for the system to function. Finally, don’t overlook the vehicle speed sensor; an inaccurate reading can disrupt the cruise control's performance. By systematically following these steps, you can effectively diagnose and potentially resolve the issues affecting your cruise control system.

What are the common problems that could cause the cruise control to stop working in a 2021 Land Rover Range Rover Sport?

When the cruise control in your 2021 Land Rover Range Rover Sport ceases to function, it can be frustrating, but understanding the common problems can help you diagnose the issue effectively. One of the primary culprits is faulty speed sensors, which are essential for the cruise control system to accurately gauge your vehicle's speed. If these sensors are malfunctioning, the system may not engage or maintain speed as intended. Another frequent issue is related to the brake light switch; if this switch is defective, it can inadvertently signal the cruise control to deactivate whenever the brakes are applied, disrupting its operation. Additionally, a faulty cruise control module can prevent the system from engaging or holding the set speed, leading to further complications. Electrical issues, such as blown fuses or damaged wiring, can also interfere with the cruise control's functionality, making it crucial to check these components. Lastly, vacuum leaks in the engine can affect the system's ability to maintain speed, as they disrupt the necessary pressure for proper operation. By systematically checking these areas, you can effectively troubleshoot and potentially resolve the cruise control issues in your vehicle.

How urgent is it to address the malfunctioning cruise control in a 2021 Land Rover Range Rover Sport?

Addressing a malfunctioning cruise control in a 2021 Land Rover Range Rover Sport is of utmost urgency due to the significant safety risks it poses. A malfunction can lead to unexpected acceleration or deceleration, creating hazardous driving conditions that could endanger both the driver and other road users. Furthermore, issues with the cruise control system may signal deeper electronic problems or sensor failures, which can compromise the vehicle's overall drivability and performance. Ignoring these symptoms not only increases the likelihood of erratic vehicle behavior but can also lead to higher fuel consumption and potential damage to other critical components. By promptly diagnosing and repairing the cruise control system, you can prevent further complications and potentially save on costly repairs in the future. Therefore, it is crucial to prioritize this issue to ensure the safety and reliability of your vehicle on the road.

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