Jaguar XK Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your Jaguar XK 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
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25% chance it's the
Throttle
0%
20% chance it's
Something else
The most common reasons a Jaguar XK 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 Jaguar XK 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.

Troubleshooting Cruise Control Issues in a Jaguar XK

When troubleshooting cruise control issues in a Jaguar XK, it's essential to adopt a systematic diagnostic approach. Begin by checking for any error codes, particularly U0104, which indicates communication problems with the cruise control module. This initial step can provide valuable insights into the underlying issue. Next, inspect all related wiring, switches, and buttons to ensure they are functioning correctly, as these components are often the culprits behind cruise control malfunctions. Pay special attention to the brake pedal position switch and brake cancel switch, as any faults here can directly impact the cruise control system's operation. If your vehicle is equipped with Adaptive Cruise Control, be sure to address any messages indicating radar sensor blockages, as these can also hinder functionality. By following this structured approach, you can effectively diagnose and resolve cruise control issues, ensuring a smoother driving experience.

What Are the Common Causes of Cruise Control Malfunction in a Jaguar XK?

When dealing with cruise control malfunctions in a Jaguar XK, it's crucial to understand the common problems that may arise. One of the primary issues often stems from the control module, sensors, or switches that govern the cruise control system. If any of these components fail, the cruise control may not engage or function correctly. Additionally, throttle actuation problems can disrupt the system's ability to maintain speed, leading to further complications. Another frequent culprit is the brake pedal switch, which not only affects the cruise control but also the rear brake lights. If this switch is defective, it can inadvertently disable the cruise control feature. Furthermore, a malfunctioning brake pedal position switch or a faulty brake cancel switch can also contribute to these issues. To effectively troubleshoot, it's essential to inspect these components for proper connections and secure installations, as addressing these areas can often resolve the cruise control problems without the need for extensive repairs.

Why is the Cruise Control Not Working in a Jaguar XK?

When the cruise control in your Jaguar XK is not functioning, it is crucial to address the issue promptly to ensure both your safety and the vehicle's performance. Ignoring symptoms such as the "Cruise Control unavailable" message or issues with the brake pedal position switch can lead to more significant problems down the line, including potential failures in other systems that rely on these components. For instance, a malfunctioning brake pedal switch not only affects cruise control but can also impact the operation of your rear brake lights, creating a safety hazard. Additionally, if the cruise control module cannot communicate due to wiring or switch issues, it may result in costly repairs if left unchecked. Therefore, it is essential to conduct a thorough diagnosis of the cruise control system, focusing on the control module, sensors, and switches, to identify and rectify the problem before it escalates into a more serious concern. Taking immediate action not only enhances your driving experience but also ensures that your vehicle remains safe and reliable on the road.

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Jaguar XK Cruise Control Issues: Causes & Repair Costs