2003 Jaguar XKR Cruise Control Isn't Working

Diagnosing Common Issues with the Cruise Control System in Your 2003 Jaguar XKR and How to Fix Them

Find Repair Location
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 2003 Jaguar XKR 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 2003 Jaguar XKR 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 steps to diagnose the cruise control issue in a 2003 Jaguar XKR?

To effectively diagnose the cruise control issue in a 2003 Jaguar XKR, start with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Begin by inspecting the control module, sensor, and switch, as these are common culprits for cruise control malfunctions. Next, examine the throttle actuation system, particularly the throttle position sensor, since any irregularities here can lead to performance issues, such as excessive fuel consumption and black exhaust. It’s also crucial to check the brake pedal switch, as a malfunctioning or misaligned switch can prevent the cruise control from engaging when needed. Utilizing an OBD scanner to identify any error codes related to the cruise control system can provide valuable insights into specific problems, such as communication failures with the control module. Pay attention to any warning messages displayed on the dashboard, as these can indicate underlying issues that require immediate attention. Additionally, inspect the ABS system, since faults here can trigger alerts that affect cruise control functionality. Finally, based on your findings, consider the necessary repairs or replacements for any faulty components, as addressing these issues promptly can restore your cruise control system to optimal working condition. By following this structured diagnostic approach, you can efficiently troubleshoot and resolve cruise control problems in your Jaguar XKR.

How urgent is it to address the non-functioning cruise control in a 2003 Jaguar XKR?

While the non-functioning cruise control in your 2003 Jaguar XKR may not pose an immediate threat to the vehicle's overall performance, it is still advisable to address the issue sooner rather than later. Cruise control significantly enhances driving comfort, especially during long trips, by allowing for a more relaxed driving experience and improved fuel efficiency. Ignoring this malfunction could lead to increased driver fatigue on extended journeys, which may compromise safety. Additionally, the underlying causes of the cruise control failure—such as issues with the switch, fuses, or brake pedal switches—could potentially escalate into more significant electrical problems if left unresolved. Therefore, while it may not be urgent, diagnosing and repairing the cruise control system is a prudent step to ensure your driving experience remains enjoyable and safe.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.

2003 Jaguar XKR Cruise Control Issues & Repairs | RepairPal