2019 Cadillac XT5 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2019 Cadillac XT5 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 2019 Cadillac XT5 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 2019 Cadillac XT5 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.

When the vehicle speed sensor fails or the wiring harness prevents signal transmission, the speedometer is the first thing that will stop functioning properly. This can be an intermittent issue where the speedometer only works occasionally, the speedometer may cease all function, or the speedometer may read erratically or incorrectly. Also, the traction control and anti lock brake warning lights specific to each vehicle may be illuminated, depending on the design of those systems. You may notice the vehicle hesitate to accelerate, cruise control will not function properly, and the vehicle may not shift properly through all of the gears.

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 steps should I take to diagnose the non-functioning cruise control in my 2019 Cadillac XT5?

When diagnosing the non-functioning cruise control in your 2019 Cadillac XT5, it's essential to adopt a systematic 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 is a common and easily rectifiable issue. Next, examine the cruise control buttons on the steering wheel for any signs of damage or sticking, as these can hinder the system's operation. Following this, verify the functionality of the speed sensors, since faulty sensors can disrupt the cruise control's ability to maintain speed. Utilizing an OBD-II scanner to check for error codes can provide valuable insights into any underlying issues. Additionally, ensure that the brake lights are functioning correctly, as a malfunctioning brake light switch can disable the cruise control for safety reasons. Finally, inspect the wiring connections associated with the cruise control system for any loose or damaged wires, as these can lead to operational failures. By methodically following these steps, you can effectively identify and address the root cause of your cruise control issues.

What are the common problems that could cause the cruise control to stop working in a 2019 Cadillac XT5?

When dealing with a malfunctioning cruise control system in a 2019 Cadillac XT5, it's important to understand the common problems that could be at play. One frequent issue is faulty speed sensors, which can disrupt the system's ability to maintain the desired speed accurately. Additionally, problems with the brake light switch can prevent the cruise control from engaging or disengaging as intended, leading to frustrating driving experiences. Another potential culprit is a defective cruise control module, which may fail to respond to user commands or maintain speed effectively. Electrical issues, such as blown fuses or wiring problems, can also interfere with the cruise control's functionality. Lastly, vacuum leaks in the system that controls the cruise control can result in operational failures. Identifying and addressing these issues promptly is crucial for restoring the cruise control system's performance, and consulting a qualified mechanic is recommended for accurate diagnosis and repair.

How urgent is it to address the malfunctioning cruise control in my 2019 Cadillac XT5?

When it comes to the malfunctioning cruise control in your 2019 Cadillac XT5, the urgency of addressing the issue cannot be overstated. A malfunctioning system can lead to unexpected acceleration or deceleration, creating a significant safety hazard on the road. This unpredictability not only compromises your control over the vehicle but also increases the risk of accidents, endangering both you and other drivers. Furthermore, a faulty cruise control system can detract from your overall driving experience, making long trips less comfortable and more stressful. Ignoring these symptoms may also result in higher fuel consumption, as inconsistent speed control can lead to unnecessary expenses over time. By promptly diagnosing and repairing the issue, you not only enhance your safety and comfort but also prevent potential underlying problems from escalating, which could lead to more extensive and costly repairs down the line. Therefore, it is crucial to prioritize the repair of your cruise control system to ensure a safe and enjoyable driving experience.

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.