2015 Cadillac SRX Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2015 Cadillac SRX 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 2015 Cadillac SRX 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 2015 Cadillac SRX 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 2015 Cadillac SRX?

When diagnosing a cruise control issue in a 2015 Cadillac SRX, it's essential to adopt a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Start by inspecting the control module, as a malfunction here is a common culprit for cruise control failures. Ensure that the module is operational and free from any visible damage. Next, turn your attention to the sensors and switches associated with the cruise control system; these components must be in good working order and accurately relaying signals. Following this, examine the throttle actuation to confirm that it responds appropriately to the cruise control commands. Lastly, don't overlook the speed sensor, which is vital for the cruise control's functionality; check it and the surrounding wiring for any signs of wear or damage. By methodically assessing these components, you can effectively identify and address the root cause of the cruise control issue in your Cadillac SRX.

What are the common problems that could cause the cruise control to stop working in a 2015 Cadillac SRX?

When the cruise control in a 2015 Cadillac SRX ceases to function, several common problems may be at play. One of the first areas to check is the brake light switch, as a faulty switch can prevent the cruise control from engaging, given that the system 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. It's also wise to inspect the fuses related to the cruise control system, as a blown fuse can halt its operation entirely. If these components are functioning correctly, the cruise control module itself may be defective, requiring repair or replacement. Lastly, consider the throttle control system, as malfunctions here can impede the cruise control's effectiveness in maintaining speed. By systematically checking these components, DIYers can often identify and resolve the issue without needing to consult a mechanic.

How urgent is it to address the malfunctioning cruise control in a 2015 Cadillac SRX?

Addressing a malfunctioning cruise control in a 2015 Cadillac SRX is of utmost importance due to the potential safety risks and performance issues it can cause. When cruise control fails, it may lead to unexpected acceleration or deceleration, which can create dangerous driving conditions. Additionally, such malfunctions often signal deeper electronic system or sensor problems that could compromise the vehicle's overall drivability. Ignoring these symptoms not only risks your safety but can also result in decreased fuel efficiency and may lead to more extensive damage to other vehicle components. By promptly diagnosing and repairing the cruise control issue, you can prevent further complications and avoid costly repairs in the future. Therefore, it is crucial to take action as soon as you notice any irregularities with your cruise control system to ensure a safe and efficient driving experience.

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