2020 Ram 1500 Classic Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2020 Ram 1500 Classic 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 2020 Ram 1500 Classic 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 2020 Ram 1500 Classic 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.

What are the initial diagnostic steps to troubleshoot the non-functioning cruise control in a 2020 Ram 1500 Classic?

When troubleshooting the non-functioning cruise control in your 2020 Ram 1500 Classic, it's essential to adopt a systematic diagnostic approach. Begin by checking the cruise control fuse located in the fuse box, as a blown fuse is a common and easily fixable issue that can halt the system's operation. Next, inspect the cruise control buttons on the steering wheel to ensure they are responsive and not stuck, as malfunctioning buttons can prevent engagement. Following this, verify the functionality of the vehicle's speed sensors, since faulty sensors can disrupt the cruise control's ability to maintain speed. Utilizing a diagnostic scanner to check for error codes can provide valuable insights into any underlying issues affecting the system. Additionally, ensure that your brake lights are operational, as a malfunctioning brake light switch can inadvertently disable the cruise control. Finally, take a close look at the wiring and connections associated with the cruise control system for any signs of damage or corrosion, as these can lead to malfunctions. By following these steps, you can effectively diagnose and potentially resolve the cruise control issues in your Ram 1500 Classic.

What are the common problems that could cause the cruise control to stop working in a 2020 Ram 1500 Classic?

When troubleshooting cruise control issues in a 2020 Ram 1500 Classic, it's essential to understand the common problems that may be at play. One frequent culprit is a faulty brake pedal switch, which is designed to disengage the cruise control when the brake is pressed; if it malfunctions, the system may not engage at all. Additionally, speed sensor issues can prevent the cruise control from maintaining a consistent speed, as the system relies on accurate speed readings to function correctly. A blown fuse in the cruise control circuit can also disrupt operation, so checking the fuse box for any damaged fuses is a good first step. Furthermore, problems with the throttle control system can hinder the cruise control's ability to maintain speed, while issues with the Electronic Control Module (ECM) can affect various vehicle functions, including cruise control. Lastly, inspect the wiring for any damage or loose connections, as faulty wiring can lead to malfunctions. By systematically addressing these potential issues, you can effectively troubleshoot and potentially resolve the cruise control problems in your vehicle.

How urgent is it to address the malfunctioning cruise control in my 2020 Ram 1500 Classic?

Addressing the malfunctioning cruise control in your 2020 Ram 1500 Classic is crucial for several reasons. First and foremost, a malfunction can lead to unexpected acceleration or deceleration, significantly increasing the risk of accidents on the road. This safety concern should not be taken lightly, as it can endanger not only your life but also the lives of others. Additionally, a faulty cruise control system can make long drives uncomfortable and tiring, detracting from the overall driving experience. Beyond immediate safety and comfort, neglecting this issue can lead to increased fuel consumption due to inconsistent speed control, which can add unnecessary costs to your driving expenses. Furthermore, delaying repairs may result in more extensive damage to the vehicle's systems, leading to costly repairs down the line. Therefore, it is imperative to address any cruise control malfunctions promptly to ensure your safety, enhance your driving experience, and maintain the longevity of your vehicle.

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