2023 Land Rover Discovery Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2023 Land Rover Discovery and How to Fix Them

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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 2023 Land Rover Discovery 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 2023 Land Rover Discovery 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.

The cruise control switch can cause complete failure of the cruise control feature, but in a lucky scenario only partial functionality will be lost. This means that the cruise control may come on, but that it will not increase in speed automatically, or the cancel button does not work leading the driver to cancel cruise control with the foot brake. In some vehicles, the cruise control light may illuminate, or a warning message may be displayed due to lack of functionality.

What steps should I take to diagnose the cruise control issue in my 2023 Land Rover Discovery?

To effectively diagnose the cruise control issue in your 2023 Land Rover Discovery, begin with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Start by examining the cruise control fuse, as a blown fuse can easily disrupt functionality. Next, inspect the cruise control buttons on your steering wheel to ensure they are operational, since faulty buttons can lead to malfunctions. Utilizing an OBD-II scanner to check for error codes is a crucial step, as these codes can pinpoint specific problems within the system. Following this, verify the performance of the speed sensors, which are essential for the cruise control's operation. Additionally, inspect the wiring connections associated with the cruise control system for any signs of damage or loose connections, as these can significantly impact performance. Finally, test the cruise control module itself to confirm it is functioning correctly. If these steps do not resolve the issue, seeking assistance from a professional mechanic or an authorized Land Rover service center is recommended to ensure a thorough diagnosis and repair. By following this structured approach, you can efficiently identify and address the cruise control problem in your vehicle.

What are the common problems that could cause the cruise control to malfunction in a 2023 Land Rover Discovery?

When diagnosing cruise control malfunctions in a 2023 Land Rover Discovery, it's crucial to consider several common problems that could be at play. Electrical issues, such as faulty wiring or blown fuses, can disrupt the system's functionality, making it essential to inspect the vehicle's electrical components first. Additionally, sensor malfunctions, particularly with the speed or throttle position sensors, can hinder the cruise control's ability to maintain a consistent speed, so checking these sensors for proper operation is vital. Another potential culprit is vacuum leaks within the engine, which can impair the cruise control's performance by affecting speed regulation. Furthermore, a faulty brake light switch may cause the cruise control to disengage unexpectedly, leading to frustrating driving experiences. Lastly, software glitches in the vehicle's onboard computer can also contribute to cruise control issues, so ensuring that the software is up to date is an important step in troubleshooting. By addressing these common problems, DIY enthusiasts can effectively restore the cruise control system's functionality and enhance their driving experience.

How urgent is it to address the malfunctioning cruise control in a 2023 Land Rover Discovery?

When it comes to a malfunctioning cruise control system in a 2023 Land Rover Discovery, the urgency of addressing the issue cannot be overstated. A malfunctioning cruise control can lead to erratic vehicle behavior, such as unexpected acceleration or deceleration, which poses a significant safety risk to both the driver and other road users. Additionally, these issues may be symptomatic of deeper electronic system or sensor problems that could compromise the overall drivability and performance of your vehicle. Ignoring these symptoms not only increases the likelihood of fuel inefficiency but can also lead to more severe mechanical failures, resulting in costly repairs. Therefore, it is crucial to diagnose and repair cruise control malfunctions promptly, ensuring the vehicle operates smoothly and safely while preventing further complications down the line. Taking swift action not only safeguards your safety but also enhances the longevity and reliability of your Land Rover Discovery.

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