2001 Dodge Ram 2500 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2001 Dodge Ram 2500 and How to Fix Them

Find Repair Location
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 2001 Dodge Ram 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 2001 Dodge Ram 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.

When the vehicle speed sensor fails or the wiring harness prevents signal transmission, the speedometer is the first thing that will stop functioning properly. This can be an intermittent issue where the speedometer only works occasionally, the speedometer may cease all function, or the speedometer may read erratically or incorrectly. Also, the traction control and anti lock brake warning lights specific to each vehicle may be illuminated, depending on the design of those systems. You may notice the vehicle hesitate to accelerate, cruise control will not function properly, and the vehicle may not shift properly through all of the gears.

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 steps to diagnose the non-functioning cruise control on a 2001 Dodge Ram 2500?

When diagnosing the non-functioning cruise control on a 2001 Dodge Ram 2500, it's essential to adopt a systematic approach. Begin by checking the control module, sensors, and switches, as these components are often the culprits behind cruise control failures. If the cruise control light illuminates but the system does not engage, this could indicate a minor issue that may be easily resolved. Next, inspect the throttle actuation to ensure it is functioning correctly, as any problems here can directly impact cruise control performance. Pay close attention to the vacuum system and servo; a functioning cruise control light is a good sign before you troubleshoot these parts. Look for vacuum leaks, particularly around the vacuum hose, as these can significantly disrupt the system's operation. Additionally, examine the heater controls, since any issues here might suggest a broader vacuum problem affecting cruise control. Lastly, if your vehicle utilizes a vacuum-controlled system, check the vacuum pod under the driver's side battery for signs of corrosion from battery acid. By following these steps, you can effectively diagnose and potentially resolve the issues with your cruise control system.

What are the common problems that could cause the cruise control to stop working in a 2001 Dodge Ram 2500?

When troubleshooting cruise control issues in a 2001 Dodge Ram 2500, it's essential to understand the common problems that may lead to its failure. One of the primary culprits is a faulty brake light switch, which can prevent the cruise control from engaging since the system is designed to disengage when the brake pedal is pressed. Additionally, a defective speed sensor can disrupt the communication necessary for the cruise control to function properly, leading to erratic behavior or complete failure. Another potential issue is vacuum leaks within the cruise control system, which can hinder its ability to maintain a steady speed. Furthermore, a malfunctioning cruise control module may require replacement to restore normal operation. Lastly, electrical issues, such as blown fuses or damaged wiring, can also contribute to cruise control problems. By identifying and addressing these common issues, you can effectively troubleshoot and potentially resolve the cruise control malfunction in your Dodge Ram 2500.

How urgent is it to address the malfunctioning cruise control in a 2001 Dodge Ram 2500?

When it comes to the malfunctioning cruise control in a 2001 Dodge Ram 2500, the urgency of addressing the issue cannot be overstated. While it may not seem like an immediate emergency, neglecting this problem can lead to significant safety risks and inconvenience during long drives. A malfunctioning cruise control system not only disrupts the comfort of maintaining a steady speed but may also signal underlying mechanical issues that could compromise the vehicle's overall performance. For instance, if the cruise control light activates without engaging, it could indicate a simple fix, such as a blown fuse or a problem with the brake pedal or throttle body. By troubleshooting these symptoms promptly, you can prevent further complications that might arise from ignoring the issue. Ultimately, addressing cruise control malfunctions in a timely manner ensures a safer driving experience and helps maintain the integrity of your vehicle, making it a priority for any DIY enthusiast.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.

2001 Dodge Ram 2500 Cruise Control Issues & Repair Costs