2023 Land Rover Defender 90 Cruise Control Isn't Working

Fixing Cruise Control Issues in the 2023 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 2023 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.

How much does it cost to fix a 2023 Land Rover Defender 90 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 non-functioning cruise control in my 2023 Land Rover Defender 90?

When diagnosing the non-functioning cruise control in your 2023 Land Rover Defender 90, it's crucial to follow a methodical diagnostic approach that prioritizes simpler fixes before delving into more complex issues. Begin by checking the cruise control fuse located in the fuse box, as a blown fuse is a common culprit that can easily be replaced. Next, inspect the cruise control buttons on the steering wheel to ensure they are working correctly, since malfunctioning buttons can prevent the system from engaging. After that, verify the speed sensors, as any faults here can disrupt the cruise control's operation. It's also important to examine the wiring connections related to the cruise control system; loose or damaged wiring can lead to significant connectivity issues. If these preliminary checks do not resolve the problem, consider using a diagnostic scanner to check for any error codes that may provide insight into specific issues affecting the system. If you still cannot identify the problem, seeking assistance from a professional mechanic or an authorized service center is recommended for a thorough diagnosis and repair. By following this structured approach, you can effectively troubleshoot and potentially resolve the cruise control issues in your vehicle.

What are the common problems that could cause the cruise control to malfunction in a 2023 Land Rover Defender 90?

When troubleshooting cruise control malfunctions in a 2023 Land Rover Defender 90, it's essential to understand the common problems that may arise. One prevalent issue is faulty speed sensors, which can disrupt the system's ability to maintain a steady speed, leading to erratic behavior. Additionally, vacuum leaks can compromise the system's pressure, further affecting its functionality. Another critical component to check is the brake light switch; if this switch is malfunctioning, it may prevent the cruise control from engaging or disengaging as intended. Throttle control issues, such as a sticky throttle or problems with the throttle position sensor, can also hinder the cruise control's performance. Lastly, electrical issues, including wiring problems or blown fuses, can cause significant disruptions in the cruise control system. By systematically addressing these potential issues, you can effectively diagnose and resolve cruise control problems in your Defender 90, ensuring a smoother driving experience.

How urgent is it to address the malfunctioning cruise control in my 2023 Land Rover Defender 90?

When it comes to the malfunctioning cruise control in your 2023 Land Rover Defender 90, 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. This unpredictability not only endangers you and your passengers but also poses risks to other drivers. Moreover, neglecting the problem can result in further damage to the cruise control system and related components, leading to more costly repairs down the line. Additionally, a malfunctioning cruise control can negatively impact your vehicle's fuel efficiency, diminishing your overall driving experience. Therefore, it is crucial to have the system inspected and repaired by a qualified mechanic or authorized service center as soon as possible. Taking prompt action will ensure the safety and optimal performance of your vehicle, allowing you to enjoy the full benefits of your Land Rover's features.

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