2010 Cadillac CTS Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2010 Cadillac CTS 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
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25% chance it's the
Throttle
0%
20% chance it's
Something else
The most common reasons a 2010 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 2010 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 2010 Cadillac CTS?

To effectively diagnose a cruise control issue in your 2010 Cadillac CTS, start with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Begin by inspecting the control module, throttle, and associated sensors, as these components are often the root of the problem. Next, look for any aftermarket devices that may interfere with the cruise control system's functionality. Pay attention to any signs of speed surges or difficulties in maintaining speed, as these can indicate underlying issues. Utilizing a diagnostic scanner can help identify any bad sensors or computer malfunctions by reading error codes. If the cruise control disengages unexpectedly, consider the possibility of a faulty brake sensor or rear brake controller switch, which may require reprogramming of the body control module upon replacement. Lastly, ensure that the brake switch is functioning properly, as issues with this component have been known to affect cruise control performance. By following this structured diagnostic approach, you can effectively pinpoint and address the cruise control issues in your Cadillac CTS.

What are the common problems that could cause the cruise control to stop working in a 2010 Cadillac CTS?

When troubleshooting cruise control issues in a 2010 Cadillac CTS, it's essential to understand the common problems that may be at play. One frequent culprit is a faulty brake pedal switch, which is crucial for disengaging the cruise control when the brake is applied; if this switch malfunctions, it can prevent the system from engaging properly. Additionally, issues with the speed sensor can disrupt the vehicle's ability to maintain a constant speed, leading to cruise control failure. Another potential problem 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 malfunction. Lastly, vacuum leaks in the engine can also impact the cruise control's performance. If you're experiencing difficulties with your cruise control, it's advisable to conduct a thorough inspection of these components or consult a professional mechanic for an accurate diagnosis and repair.

How urgent is it to address the malfunctioning cruise control in a 2010 Cadillac CTS?

When it comes to a malfunctioning cruise control system in a 2010 Cadillac CTS, the urgency of addressing the problem cannot be overstated. A faulty cruise control can lead to unpredictable vehicle behavior, such as sudden acceleration or deceleration, which significantly increases the risk of accidents on the road. Ignoring these symptoms not only jeopardizes your safety but also that of other drivers and pedestrians. Moreover, delaying repairs can exacerbate the issue, potentially leading to more extensive damage to the vehicle's systems and resulting in costly repairs down the line. Therefore, it is crucial to have the cruise control system inspected and repaired by a qualified mechanic as soon as possible to ensure the safe and reliable operation of your vehicle. Taking prompt action not only protects you but also helps maintain the integrity of your Cadillac CTS.

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