2023 Ram ProMaster 2500 Cruise Control Isn't Working

Fixing Cruise Control Issues in the 2023 Ram ProMaster 2500

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Reviewed by
Andrew Hajjar
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 2023 Ram ProMaster 2500 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 2023 Ram ProMaster 2500 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 steps should I take to diagnose the non-functional cruise control in my 2023 Ram ProMaster 2500?

To effectively diagnose the non-functional cruise control in your 2023 Ram ProMaster 2500, begin with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Start by inspecting 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, examine the cruise control buttons on the steering wheel to ensure they are responsive and not malfunctioning, as faulty buttons can prevent engagement. Following this, verify the speed sensor's functionality, since a defective sensor can disrupt the cruise control's ability to maintain speed. It's also essential to check the brake pedal switch, as a malfunction here can disable the cruise control entirely. If these initial checks do not resolve the issue, utilize a diagnostic scanner to identify any error codes that may indicate specific problems within the system. Finally, inspect the wiring and connections associated with the cruise control for any signs of damage or corrosion, as compromised wiring can lead to malfunctions. By following this structured diagnostic approach, you can efficiently 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 2023 Ram ProMaster 2500?

When troubleshooting the cruise control system in a 2023 Ram ProMaster 2500, it's essential to understand the common problems that may lead to its failure. One of the primary culprits is faulty speed sensors, which are crucial for the system to accurately gauge the vehicle's speed. If these sensors malfunction, the cruise control may not engage or maintain the desired speed. Another frequent issue is a malfunctioning brake light switch; since the cruise control is designed to disengage when the brakes are applied, any failure in this switch can disrupt the entire system. Additionally, a blown fuse can prevent the cruise control from operating, making it a straightforward yet often overlooked problem. The cruise control module itself can also be a source of trouble; if it is faulty, the system may fail to engage or hold speed. Lastly, vacuum leaks in the engine can significantly impact the cruise control's performance, as the system relies on vacuum pressure to function correctly. Addressing these issues promptly can help restore the cruise control system to its optimal performance, ensuring a safer and more comfortable driving experience.

How urgent is it to address the non-functioning cruise control in a 2023 Ram ProMaster 2500?

Addressing a non-functioning cruise control in your 2023 Ram ProMaster 2500 should be a priority, even if it may not seem like an immediate emergency. While the absence of this feature may not pose a direct safety risk, it can significantly affect your driving experience, especially during long highway trips where maintaining a constant speed is crucial for comfort and fuel efficiency. Ignoring the problem could lead to further complications, such as potential issues with the vehicle's electronic systems or sensors, which may escalate into more serious repairs down the line. For DIY enthusiasts, it’s advisable to start by checking the cruise control settings, inspecting the fuses, and examining the brake pedal switch, as these are common culprits for malfunction. By taking proactive steps to diagnose and address the issue, you can ensure a smoother, safer driving experience while potentially saving on costly repairs in the future.

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2023 Ram ProMaster 2500 Cruise Control Troubleshooting