2020 Land Rover Discovery Sport Cruise Control Isn't Working

Fixing Cruise Control Issues in the 2020 Land Rover Discovery Sport

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Reviewed by
Devin Cabugcal
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 2020 Land Rover Discovery 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 2020 Land Rover Discovery 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 steps to diagnose the cruise control issue in a 2020 Land Rover Discovery Sport?

When tackling a cruise control issue in a 2020 Land Rover Discovery Sport, it's essential to adopt a systematic diagnostic approach. Begin by checking the cruise control fuse, as a blown fuse can be a straightforward fix that often goes overlooked. Next, inspect the cruise control buttons on the steering wheel; ensure they are responsive and not stuck, as faulty buttons can hinder functionality. Utilizing a diagnostic scanner to check for error codes is a crucial step, as it provides insight into any underlying electronic issues that may be affecting the system. Additionally, verify the operation of the vehicle speed sensor, since it is integral to the cruise control's performance; a malfunctioning sensor can lead to erratic behavior. Finally, examine the wiring and connections associated with the cruise control system for any signs of wear, damage, or corrosion, as these can disrupt the electrical flow necessary for proper operation. By following these steps, you can effectively diagnose and potentially resolve cruise control issues in your vehicle.

What are the common problems that could cause the cruise control to stop working in a 2020 Land Rover Discovery Sport?

When the cruise control in your 2020 Land Rover Discovery Sport ceases to function, it can be frustrating, but understanding the common problems can help you troubleshoot 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 itself can lead to complete system failure, so checking this component is crucial. Electrical issues, such as blown fuses or damaged wiring, can also impede the cruise control's functionality, making it important to inspect the vehicle's electrical system. Lastly, vacuum leaks in the engine can prevent the cruise control from maintaining a steady speed, so ensuring that there are no leaks is vital for proper operation. By systematically examining these areas, you can identify and potentially resolve the issues affecting your cruise control system.

How urgent is it to address the malfunctioning cruise control in a 2020 Land Rover Discovery Sport?

When it comes to a malfunctioning cruise control in a 2020 Land Rover Discovery Sport, the urgency of addressing the issue cannot be overstated. A malfunctioning system can lead to unexpected acceleration or deceleration, creating significant safety hazards on the road. Moreover, such issues may signal deeper problems within the vehicle's electronic systems or sensors, which can compromise overall drivability and performance. Ignoring these symptoms not only risks your safety but can also lead to decreased fuel efficiency and increased wear on the vehicle over time. By addressing the malfunction promptly, you can prevent further damage to the cruise control system and related components, ultimately saving on repair costs. For those considering a DIY approach, it’s crucial to diagnose the issue accurately and understand the potential risks involved. If the problem seems complex, consulting a qualified mechanic is advisable to ensure your safety and the longevity of your vehicle.

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