2011 Cadillac CTS Cruise Control Isn't Working

Fixing Cruise Control Issues in the 2011 Cadillac CTS

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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 2011 Cadillac CTS 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 2011 Cadillac CTS 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 2011 Cadillac CTS?

When diagnosing a cruise control issue in a 2011 Cadillac CTS, it's crucial to follow a methodical approach that prioritizes simpler checks before delving into more complex diagnostics. Begin by inspecting the cruise control fuse located in the fuse box, as a blown fuse can easily disrupt the system's operation. Next, examine the cruise control buttons on the steering wheel to ensure they are functioning properly, since faulty buttons can lead to malfunctions. Utilizing an OBD-II scanner to check for error codes is an essential step, as these codes can provide insights into specific issues within the cruise control system. Additionally, verify the functionality of the vehicle's speed sensors, which are vital for the cruise control's performance; any faults here can significantly impact its operation. It's also important to inspect the vacuum lines connected to the cruise control system for any leaks, as these can hinder performance. Finally, test the cruise control module to ensure it is working correctly. If these steps do not resolve the issue, seeking assistance from a professional mechanic may be necessary for further diagnosis and repair. By adhering to this structured diagnostic approach, you can effectively identify and resolve cruise control problems in your Cadillac CTS.

What are the common problems that could cause the cruise control to stop working in a 2011 Cadillac CTS?

When the cruise control in a 2011 Cadillac CTS ceases to function, several common problems may be at play. One of the primary culprits is a faulty brake light switch, which is crucial for the cruise control system's operation; if this switch malfunctions, it can prevent the system from engaging, as it is designed to deactivate when the brake pedal is pressed. Additionally, issues with the speed sensor can disrupt the vehicle's ability to maintain a constant speed, leading to cruise control failure. Another potential issue is a blown fuse within the cruise control system, which can completely disable its functionality. Furthermore, a defective cruise control module may hinder communication between the system and the vehicle, resulting in a non-operational cruise control. Lastly, vacuum leaks in the engine can also impact the system's performance, making it difficult to maintain speed consistently. If you encounter problems with your cruise control, these are the areas to investigate, and while some issues may be manageable for a DIY repair, others may require professional assistance for a thorough diagnosis and resolution.

How urgent is it to address the non-functioning cruise control in a 2011 Cadillac CTS?

When considering the urgency of fixing a non-functioning cruise control in a 2011 Cadillac CTS, it is crucial to recognize the potential safety risks involved. A malfunctioning cruise control system can compromise your ability to maintain a steady speed, particularly on highways, which may lead to dangerous driving situations. Additionally, the comfort of your driving experience is significantly affected; without cruise control, long trips can become more tiring as you constantly need to adjust your speed. It is advisable to have a qualified mechanic conduct a diagnostic assessment to identify the underlying issue, as delaying repairs could result in more severe complications and higher costs in the future. Furthermore, addressing this issue promptly can help preserve the vehicle's resale value, as a fully functional cruise control system is often a desirable feature for potential buyers. In summary, while it may not seem immediately critical, timely attention to a non-functioning cruise control is essential for safety, comfort, and the overall health of your vehicle.

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2011 Cadillac CTS Cruise Control Not Working: Causes & Fixes