2015 Cadillac ATS Cruise Control Isn't Working

Fixing Cruise Control Issues in Your 2015 Cadillac ATS

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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 2015 Cadillac ATS 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 ATS 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 non-functioning cruise control in a 2015 Cadillac ATS?

When diagnosing the non-functioning cruise control in a 2015 Cadillac ATS, it's essential to adopt a systematic approach that prioritizes simpler checks before delving into more complex issues. Start by inspecting the relevant fuses associated with the cruise control system, as a blown fuse can often be the simplest explanation for the malfunction. Next, assess the condition of the brake pedal and throttle body, as these components play a crucial role in the cruise control's operation. Consulting your vehicle's manual will guide you to the fuse box location, typically found in the engine bay, where you can safely remove and inspect the cruise control fuse. Additionally, pay close attention to the brake light switch, which is located on the upper section of the brake pedal arm; unhooking and unplugging this switch allows for a thorough inspection to identify any potential issues. By following this diagnostic approach, you can effectively pinpoint the cause of the cruise control failure and determine the necessary steps for repair.

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

When diagnosing cruise control issues in a 2015 Cadillac ATS, it's important to consider several common problems that may be at play. One frequent culprit is a failed control module, which can disrupt the communication between the cruise control system and the vehicle's engine management. Additionally, sensor or switch malfunctions can prevent the system from receiving the necessary signals to engage or maintain speed. Throttle actuation problems may also arise, where the throttle body fails to respond correctly to the cruise control commands, leading to erratic behavior or complete failure of the system. By understanding these potential issues, DIYers can effectively troubleshoot and address the underlying causes of cruise control malfunction, ensuring a smoother driving experience.

How urgent is it to address the malfunctioning cruise control in my 2015 Cadillac ATS?

When it comes to the malfunctioning cruise control in your 2015 Cadillac ATS, the urgency of addressing the issue cannot be overstated. A malfunctioning system can lead to unexpected acceleration or deceleration, creating hazardous driving conditions that could result in accidents. Moreover, such issues may signal deeper problems within the vehicle's electronic systems or sensors, which could compromise other critical functions. Ignoring these symptoms not only risks your safety but can also lead to decreased fuel efficiency and increased wear on your vehicle, ultimately resulting in higher repair costs. By promptly diagnosing and repairing the cruise control malfunction, you not only enhance your driving safety but also protect your vehicle from further damage, making it a wise decision to seek professional assistance as soon as possible.

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2015 Cadillac ATS Cruise Control Issues & Repair Costs