2015 Ram C/V Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2015 Ram C/V 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
0%
25% chance it's the
Throttle
0%
20% chance it's
Something else
The most common reasons a 2015 Ram C/V 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 Ram C/V 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 initial diagnostic steps to troubleshoot the non-functioning cruise control in a 2015 Ram C/V?

When troubleshooting the non-functioning cruise control in a 2015 Ram C/V, start with the simplest checks to avoid unnecessary complexity. Begin by inspecting the cruise control fuse in the fuse box; a blown fuse can easily disrupt the system. Next, examine the cruise control switch on the steering wheel for any signs of damage or wear, as a malfunctioning switch can prevent activation. It's also crucial to check the brake pedal switch, since a faulty switch can inadvertently signal that the brakes are engaged, disabling the cruise control. Additionally, verify the vehicle speed sensor's functionality, as this component is vital for maintaining speed. Finally, using a diagnostic scanner to check for error codes can provide valuable insights into any underlying issues affecting the cruise control system. By systematically addressing these areas, you can effectively diagnose and potentially resolve the cruise control problem in your vehicle.

What are the common problems that could cause the cruise control to stop working in a 2015 Ram C/V?

When troubleshooting the cruise control system in a 2015 Ram C/V, it's essential to understand the common problems that could lead to its failure. One of the primary culprits is a faulty brake light switch, which can prevent the cruise control from engaging if it fails to detect when the brake pedal is pressed. Additionally, a defective speed sensor can disrupt the communication necessary for maintaining a set speed, causing the cruise control to malfunction. It's also important to check for a blown fuse, as this can completely disable the cruise control system. Vacuum leaks in the engine can further complicate matters, as the cruise control relies on vacuum pressure to function correctly. Lastly, a malfunctioning cruise control module may require replacement to restore proper operation. By systematically addressing these issues, you can effectively diagnose and potentially resolve the problems affecting your vehicle's cruise control system.

How urgent is it to address the non-functioning cruise control in a 2015 Ram C/V?

Addressing a non-functioning cruise control in a 2015 Ram C/V is important for both safety and vehicle performance. While it may not seem like an immediate emergency, the urgency lies in the potential consequences of ignoring the problem. A malfunctioning cruise control can indicate deeper issues within the vehicle's electronic or mechanical systems, which could compromise overall drivability. Moreover, without the ability to maintain a constant speed, drivers may experience increased fatigue on long trips, leading to a higher risk of accidents. Additionally, the failure to rectify this issue could result in further damage to the vehicle, ultimately leading to more costly repairs. Therefore, it is advisable to have the cruise control system diagnosed and repaired promptly by a qualified mechanic to ensure safe driving conditions and optimal vehicle functionality.

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