2006 Jaguar Super V8 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2006 Jaguar Super V8 and How to Fix Them

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Reviewed by
Aisha
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 2006 Jaguar Super V8 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 2006 Jaguar Super V8 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 are the initial diagnostic steps to troubleshoot the non-functioning cruise control in a 2006 Jaguar Super V8?

When troubleshooting the non-functioning cruise control in a 2006 Jaguar Super V8, it's essential to adopt a systematic diagnostic approach that begins with the simplest checks before progressing to more complex issues. Start by examining the battery and electrical system, as low voltage can often trigger the "cruise not available" message. Ensure that the battery is fully charged and that the terminals are clean and free from corrosion. Next, utilize diagnostic tools to scan for error codes; a Jaguar-specific scan tool is ideal, but a generic OBD II scanner can also provide valuable insights into the Engine Control Module. Following this, inspect the brake pedal switch, as it plays a crucial role in cruise control functionality. Ensure that both microswitches are operational, as a failure in either can disrupt the system. Additionally, check the main cruise control switch and the set/resume switch on the steering wheel for continuity using a multimeter. If these components are functioning correctly, turn your attention to the throttle actuation system, ensuring that the throttle actuator and its connections are in good working order. Finally, consider the control module and associated sensors, as these can also be potential points of failure. By methodically working through these steps, you can effectively diagnose and potentially resolve the cruise control issue in your vehicle.

What are the common problems that could cause the cruise control to stop working in a 2006 Jaguar Super V8?

When dealing with cruise control issues in a 2006 Jaguar Super V8, it's essential to understand the various components that could be at fault. Start by examining the throttle system, as a malfunctioning throttle body or throttle position sensor (TPS) can disrupt the cruise control's operation. Next, consider the brake system; a faulty brake switch is critical since it signals when the brakes are engaged, which automatically disables cruise control. Additionally, electrical problems, such as a weak battery or failing alternator, can lead to voltage fluctuations that affect the cruise control's functionality. It's also important to check the control module and associated sensors, as failures here can prevent the system from working correctly. Lastly, inspect the cruise control switch and buttons for any signs of damage or corrosion, as these can hinder operation. Utilizing a diagnostic tool to scan for error codes can further assist in pinpointing the exact issue, allowing for a more targeted repair approach. By systematically addressing these common problems, you can effectively troubleshoot and restore the cruise control system in your vehicle.

How urgent is it to repair the non-functioning cruise control in a 2006 Jaguar Super V8?

While the non-functioning cruise control in your 2006 Jaguar Super V8 may not present an immediate safety risk, it is still advisable to address the issue sooner rather than later. Ignoring the malfunction can lead to increased driver fatigue during long trips, diminishing the overall driving experience. Additionally, the underlying causes of the cruise control failure, such as a faulty brake pedal switch or issues with the control module, could potentially escalate into more significant problems if left unattended. By proactively repairing the cruise control system, you not only restore a valuable convenience feature but also mitigate the risk of further complications that could arise from neglecting the symptoms. Therefore, while the urgency may not be critical, timely attention to this issue is beneficial for both comfort and vehicle maintenance.

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2006 Jaguar Super V8 Cruise Control Issues & Repairs