2015 Land Rover Range Rover Sport Cruise Control Isn't Working

Fixing Cruise Control Issues in 2015 Land Rover Range Rover 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 2015 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 2015 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 steps should I take to diagnose the cruise control issue in my 2015 Land Rover Range Rover Sport?

When diagnosing a cruise control issue in your 2015 Land Rover Range Rover Sport, it's essential to adopt a systematic diagnostic approach that begins with the most straightforward checks before progressing to more complex assessments. Start by verifying the basics, such as ensuring the cruise control fuse is intact, as a blown fuse can easily disrupt functionality. Next, inspect the vacuum and actuator system for any signs of damage or leaks, as these components are critical for proper operation. The brake pedal switch also plays a vital role; ensure it is functioning correctly by checking for damage and performing a voltage test. Following this, conduct electrical tests to confirm that the cruise control module is receiving the necessary power and ground signals. Don't overlook the speed sensor, as a malfunction here can prevent the cruise control from engaging. If all these components check out, consider the cruise control module and relay, as they may be the source of the problem. Utilizing diagnostic tools like an OBD scanner can provide further insights by revealing any trouble codes that may indicate specific issues. Finally, a thorough visual inspection of all related connections and controls will help ensure everything is in working order. By following this structured approach, you can effectively diagnose the cruise control issue and determine whether professional assistance is needed.

What are the common problems that could cause the cruise control to stop working in a 2015 Land Rover Range Rover Sport?

When troubleshooting cruise control issues in a 2015 Land Rover Range Rover Sport, it's essential to consider several common problems that could be at play. One of the first things to check is the fuse associated with the cruise control system; a blown fuse can completely disable the feature, making it a simple fix if replaced with the correct amperage. Another critical component is the brake pedal switch, which disengages the cruise control when the brake is pressed. If this switch is malfunctioning, it may prevent the system from engaging properly. Additionally, the speed sensor plays a vital role by providing speed data to the cruise control system; a failure here can lead to complete inoperability and may also affect the speedometer. For vehicles with older systems, air leaks in vacuum hoses or issues with the vacuum actuator can disrupt the cruise control's functionality. Software glitches can also be a culprit, as outdated software may lead to erratic behavior, necessitating an update. If your vehicle features adaptive cruise control, problems with the radar unit, such as calibration issues or obstructions, can hinder performance. Lastly, ensure that all electrical connections are secure and that there is proper communication between the Vehicle Speed Sensor and the Electronic Control Unit, as faulty wiring can lead to intermittent issues. By systematically addressing these potential problems, you can effectively diagnose and resolve cruise control malfunctions in your vehicle.

How urgent is it to address the malfunctioning cruise control in a 2015 Land Rover Range Rover Sport?

Addressing the malfunctioning cruise control in a 2015 Land Rover Range Rover Sport should not be overlooked, as it carries implications that extend beyond mere inconvenience. While the immediate safety risk may seem low, the absence of cruise control can lead to increased driver fatigue during long journeys, indirectly compromising safety. Moreover, the malfunction could be indicative of underlying issues such as a failing brake pedal switch or a faulty speed sensor, which are critical to the vehicle's overall functionality. Ignoring these symptoms may result in more severe problems that could escalate into costly repairs. Additionally, resolving the cruise control issue promptly enhances driving comfort, making long trips more enjoyable. By taking action now, you not only ensure the reliability of your vehicle but also prevent potential damage to related systems, ultimately safeguarding your investment and enhancing your driving experience.

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2015 Land Rover Range Rover Sport Cruise Control Issues