2024 Land Rover Defender 90 Cruise Control Isn't Working

Fixing Cruise Control Issues in the 2024 Land Rover Defender 90

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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 2024 Land Rover Defender 90 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.

What steps should I take to diagnose the non-functioning cruise control in my 2024 Land Rover Defender 90?

To effectively diagnose the non-functioning cruise control in your 2024 Land Rover Defender 90, begin with the simplest solutions before progressing to more intricate checks. Start by inspecting the cruise control fuse located in the fuse box, as a blown fuse is a common culprit that can easily be replaced. Next, examine the cruise control buttons on your steering wheel to ensure they are operational; faulty buttons can prevent the system from engaging. If these initial checks do not resolve the issue, move on to the speed sensors, as malfunctioning sensors can disrupt the cruise control's functionality. Additionally, inspect the wiring connections associated with the cruise control system for any signs of damage or looseness, as these can impede signal flow. If the problem persists, utilizing a diagnostic scanner to check for error codes can provide valuable insights into specific issues affecting the system. Should you find yourself unable to pinpoint the problem or if the diagnostics reveal complex issues, it is wise to consult a professional mechanic or an authorized service center for expert assistance. By following this structured approach, you can systematically identify and address the underlying causes of your cruise control malfunction.

What are the common problems that could cause the cruise control to malfunction in a 2024 Land Rover Defender 90?

When dealing with cruise control malfunctions in a 2024 Land Rover Defender 90, it's essential to understand the common problems that may arise. One frequent issue is faulty speed sensors, which can lead to erratic behavior or prevent the system from engaging altogether. Additionally, vacuum leaks can compromise the system's performance by causing a loss of vacuum pressure, making it difficult for the cruise control to maintain a steady speed. Electrical issues, such as wiring faults or a defective cruise control module, can also hinder the system's operation. Another critical component to check is the brake light switch; if this switch is malfunctioning, it may cause the cruise control to disengage unexpectedly when the brakes are applied. Lastly, throttle-related problems, including issues with the throttle position sensor or throttle body, can affect the system's ability to adjust speed accurately. By diagnosing and addressing these common issues, DIYers can ensure that the cruise control system operates smoothly and reliably.

How urgent is it to address the malfunctioning cruise control in a 2024 Land Rover Defender 90?

Addressing a malfunctioning cruise control system in your 2024 Land Rover Defender 90 is not just a matter of convenience; it is a critical safety concern that requires immediate attention. A malfunction can lead to unexpected acceleration or deceleration, significantly increasing the risk of accidents on the road. Moreover, delaying repairs can exacerbate the issue, potentially causing further damage to the vehicle's components, which may result in costly repairs down the line. The driving experience is also compromised when cruise control is not functioning properly, detracting from the comfort and ease that this feature is designed to provide. Therefore, it is essential to diagnose and repair any cruise control issues as soon as they arise, ensuring both your safety and the optimal performance of your vehicle.

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2024 Land Rover Defender 90 Cruise Control Issues & Repairs