2015 Land Rover LR2 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2015 Land Rover LR2 and How to Fix Them

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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 2015 Land Rover LR2 cruise control isn't working are failed control module, sensor or switch issues, or throttle actuation problems.
  • Sensor: A faulty sensor can lead to incorrect readings, causing issues with engine performance or triggering warning lights on the dashboard.
  • Control Module: A faulty control module can result in 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 acceleration and poor engine 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 LR2 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 steps to diagnose the cruise control issue in a 2015 Land Rover LR2?

To effectively diagnose a cruise control issue in your 2015 Land Rover LR2, start by ensuring that the clutch pedal is fully released, as this is crucial for accurate testing. Next, disconnect the cruise control Electronic Control Unit (ECU) connector to safely access the system. Using a voltmeter, check for battery voltage by connecting the negative lead to terminal no. 8 (black wire) and the positive lead to terminal no. 10 (orange/white wire) on the CC ECU harness connector. If you detect battery voltage, you can proceed with further diagnostics; however, if there is no voltage, this indicates a potential issue that needs addressing before moving on. By following these steps methodically, you can pinpoint the source of the problem and take appropriate action to restore your cruise control functionality.

What common issues cause cruise control failure in a 2015 Land Rover LR2?

When dealing with cruise control failure in a 2015 Land Rover LR2, it's crucial to understand the common problems that may arise. One prevalent issue is software compatibility, which can lead to intermittent operation of the cruise control system. This can often be resolved by updating the vehicle's software to ensure all components communicate effectively. Additionally, vacuum hose problems are another frequent culprit; damaged or disconnected vacuum lines can prevent the cruise control from engaging properly. Inspecting these hoses for any signs of wear or leaks is essential for maintaining functionality. Lastly, faulty or damaged vacuum lines within the cruise control equipment itself can also contribute to failure. By addressing these common issues, DIYers can effectively troubleshoot and restore the cruise control system to optimal working condition.

How urgent is it to address the non-functioning cruise control in a 2015 Land Rover LR2?

Addressing the non-functioning cruise control in your 2015 Land Rover LR2 should be considered a priority, even if it may not seem like an immediate emergency. A malfunctioning cruise control system can lead to significant safety risks, as it may affect your vehicle's acceleration and speedometer functionality, potentially resulting in erratic driving behavior. Moreover, the convenience of maintaining a consistent speed during long drives is compromised, which can lead to driver fatigue and decreased focus on the road. Common issues such as blown fuses, faulty brake switches, or malfunctioning speed sensors can escalate if left unattended, potentially causing further damage to the vehicle's electrical system or other critical components. Therefore, it is essential to diagnose and repair any cruise control issues promptly to ensure not only your safety but also the overall performance and reliability of your Land Rover LR2.

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