2021 Land Rover Range Rover Cruise Control Isn't Working

Fixing Cruise Control Issues in the 2021 Land Rover Range Rover

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Reviewed by
Bo Fader
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 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 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 steps to diagnose the cruise control issue in a 2021 Land Rover Range Rover?

When diagnosing a cruise control issue in a 2021 Land Rover Range Rover, it's essential to adopt a systematic diagnostic approach that prioritizes simpler checks before delving into more complex solutions. Begin by inspecting the cruise control fuse, as a blown fuse can easily disrupt the system's functionality. Next, examine the cruise control buttons on the steering wheel to ensure they are operational, since faulty buttons can lead to malfunctions. Utilizing a diagnostic scanner to check for error codes can provide valuable insights into any underlying issues affecting the cruise control system. Additionally, verify the functionality of the vehicle speed sensor, as it is integral to the cruise control's operation; a malfunction here can cause significant problems. Finally, check the brake light switch, which is designed to disengage the cruise control when the brake pedal is pressed. A malfunctioning brake light switch can prevent the cruise control from working correctly. By following these steps, you can effectively diagnose and address the cruise control issue in your vehicle.

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

When troubleshooting the cruise control system in a 2021 Land Rover Range Rover, it's essential to be aware of several common problems that may arise. One frequent issue is faulty speed sensors, which can disrupt the system's ability to maintain a steady speed, leading to erratic performance. Additionally, electrical problems such as blown fuses or damaged wiring can significantly hinder the cruise control's functionality. Another potential culprit is vacuum leaks within the system, which can prevent proper engagement or disengagement of the cruise control. It's also crucial to check the brake light switch, as a malfunction here can cause the cruise control to disengage unexpectedly, even when the brakes are not applied. Lastly, throttle control issues, including a sticky throttle or problems with the throttle position sensor, can adversely affect the cruise control's operation. Addressing these issues promptly is vital for ensuring the safe and reliable performance of your vehicle's cruise control system.

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

Addressing a malfunctioning cruise control in a 2021 Land Rover Range Rover is of utmost importance due to the significant safety risks it poses. A faulty system can lead to unexpected acceleration or deceleration, which can result in dangerous driving situations. Promptly diagnosing and repairing the issue not only mitigates the risk of accidents but also prevents further damage to the vehicle's components, which could lead to more extensive and costly repairs down the line. Additionally, a malfunctioning cruise control detracts from the overall driving experience, making it less convenient and enjoyable. Therefore, it is crucial for vehicle owners to prioritize the repair of their cruise control system to ensure both safety and optimal vehicle performance.

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2021 Land Rover Range Rover Cruise Control Issues Explained