2019 Ram 1500 Classic Cruise Control Isn't Working

Troubleshooting Common Issues with Cruise Control in Your 2019 Ram 1500 Classic and How to Fix Them

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Reviewed by
Devin Cabugcal
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 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 2019 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.

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 cruise control issue in a 2019 Ram 1500 Classic?

To effectively diagnose a cruise control issue in a 2019 Ram 1500 Classic, begin with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Start by inspecting the cruise control fuse, as a blown or damaged fuse can easily disrupt the system's functionality. Next, examine the cruise control buttons on the steering wheel to ensure they are operational and not stuck, as this can prevent engagement. Utilizing a diagnostic scanner to check for error codes can provide insights into any underlying electronic issues. Additionally, inspect the speed sensors, which are vital for the cruise control system's performance, and test the brake pedal switch, as a malfunction here can deactivate cruise control unexpectedly. Finally, take a close look at the wiring connections associated with the cruise control system for any signs of damage or loose connections. If these steps do not resolve the issue, seeking assistance from a professional mechanic is advisable, as they possess the expertise to diagnose more intricate problems. By following this structured approach, you can efficiently identify and address the cruise control issue in your vehicle.

What are the common problems that could cause the cruise control to stop working in a 2019 Ram 1500 Classic?

When the cruise control in your 2019 Ram 1500 Classic stops functioning, it can be frustrating, but understanding the common problems can help you diagnose the issue effectively. One of the primary culprits is a faulty brake light switch, which is crucial for the cruise control system as it disengages when the brake pedal is pressed. If this switch is malfunctioning, it may prevent the cruise control from activating. Additionally, issues with the speed sensor can disrupt the system's ability to maintain a constant speed, leading to failure. Another potential problem could be a blown fuse in the vehicle's electrical system, which can interrupt the cruise control's operation. Furthermore, a malfunction in the throttle control system, particularly with the throttle position sensor, can hinder the cruise control's performance. Lastly, vacuum leaks in the engine can also affect the cruise control system, as it relies on vacuum pressure to function properly. By systematically checking these components, you can identify and resolve the issue, restoring your cruise control functionality.

How urgent is it to address the non-functioning cruise control in a 2019 Ram 1500 Classic?

When it comes to the non-functioning cruise control in your 2019 Ram 1500 Classic, addressing the issue should be a priority, even if it may not seem like an immediate emergency. The cruise control system is designed to enhance your driving experience by maintaining a steady speed, which is particularly beneficial during long trips. However, a malfunctioning system can signal deeper problems within your vehicle's electrical components or sensors, potentially leading to more significant issues down the line. Ignoring this problem could compromise your safety, especially on highways where consistent speed is crucial for safe driving. Moreover, delaying repairs may result in further damage, ultimately increasing repair costs. For DIY enthusiasts, it’s advisable to conduct a thorough inspection of the cruise control system and related components, or consult a qualified mechanic to ensure your vehicle remains safe and efficient on the road. Taking prompt action not only enhances your driving comfort but also safeguards your vehicle's overall health.

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2019 Ram 1500 Classic Cruise Control Issues & Repairs