Cadillac ELR Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your Cadillac ELR and How to Fix Them

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Reviewed by
Bo Fader
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 Cadillac ELR 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 Cadillac ELR 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.

Troubleshooting Cruise Control Issues in a Cadillac ELR

When troubleshooting cruise control issues in your Cadillac ELR, it's essential to adopt a systematic diagnostic approach that begins with the simplest potential problems before moving on to more complex ones. Start by checking the basics, such as the control module, sensors, and throttle, as these components are often the culprits behind malfunctioning cruise control. Next, inspect the fuses and brake lights, as a blown fuse or a faulty brake light can easily disrupt the cruise control system. If these elements are functioning correctly, examine the brake switch, since a defective switch can prevent the cruise control from engaging. Additionally, keep an eye on the check engine light; any engine-related issues can interfere with cruise control operation, so addressing these problems is crucial. If your ELR features Adaptive Cruise Control, be aware that specific issues may arise with this system, which could affect other driver aids. By following this methodical approach, you can effectively identify and resolve the underlying issues affecting your cruise control system.

What Could Cause the Cruise Control to Malfunction in a Cadillac ELR?

When dealing with cruise control malfunctions in a Cadillac ELR, it's essential to understand the common problems that could be affecting the system. One of the primary culprits is a failed control module, which can disrupt the entire cruise control functionality. Additionally, issues with sensors or switches may also lead to operational failures. Throttle actuation problems are another significant factor; if the throttle body is malfunctioning, it can hinder communication between the engine and the cruise control system, resulting in erratic behavior or complete inoperability. Furthermore, a blown fuse or a defective brake pedal switch are frequent causes of cruise control issues that are relatively easy to check and replace. Lastly, problems within the throttle control system or the anti-lock braking system (ABS) can also contribute to cruise control malfunctions. For those looking to troubleshoot these issues themselves, a thorough inspection of these components can often reveal the source of the problem, but for a definitive diagnosis, consulting a professional is recommended.

Why is it Critical to Address Cruise Control Issues in a Cadillac ELR?

Addressing cruise control issues in a Cadillac ELR is not just a matter of convenience; it is a critical safety concern that demands immediate attention. Neglecting symptoms such as unresponsive controls or erratic behavior can lead to dangerous driving situations, particularly if the cruise control system fails while on the highway. Moreover, the interconnected nature of the ELR's electronic systems means that unresolved cruise control problems can exacerbate other issues, such as navigation and climate control malfunctions, potentially leading to costly repairs down the line. Additionally, with recalls issued for certain models due to electronic stability control faults, it becomes evident that timely intervention is essential to prevent safety hazards. By addressing these issues promptly, ELR owners can enhance their vehicle's performance and reliability, ensuring a smoother and safer driving experience.

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