2006 Dodge Ram 3500 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2006 Dodge Ram 3500 and How to Fix Them

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Reviewed by
Aisha
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 2006 Dodge Ram 3500 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 2006 Dodge Ram 3500 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 diagnostic steps to troubleshoot the non-functional cruise control in a 2006 Dodge Ram 3500?

When troubleshooting the non-functional cruise control in a 2006 Dodge Ram 3500, it's essential to adopt a systematic diagnostic approach. Begin by checking the fuse associated with the cruise control system, as a blown fuse is a common and easily fixable issue. Next, inspect the wiring for any visible damage or loose connections, as faulty wiring can disrupt the system's functionality. After ensuring the wiring is intact, verify the operation of the speed sensors, which are crucial for relaying vehicle speed information to the cruise control system; malfunctioning sensors can lead to operational failures. Additionally, test the brake pedal switch, as this component disengages the cruise control when the brake is applied, and any issues here can prevent the system from engaging. If these initial checks do not resolve the problem, examine the cruise control module for signs of damage or malfunction, as this module is central to the system's operation. Finally, using a diagnostic scanner to check for error codes can provide valuable insights into specific issues affecting the cruise control system. By following this structured approach, you can effectively diagnose and potentially resolve the cruise control issues in your Dodge Ram 3500.

What are the common problems that could cause the cruise control to stop working in a 2006 Dodge Ram 3500?

When troubleshooting the cruise control system in a 2006 Dodge Ram 3500, it's essential to consider several common problems that could be at play. One of the primary culprits is a faulty brake pedal switch, which is crucial for disengaging the cruise control when the brake is applied. If this switch malfunctions, it can prevent the system from engaging properly. Another potential issue is a defective speed sensor; this component is vital for maintaining a constant speed, and if it fails, the cruise control will not function as intended. Additionally, a blown fuse in the vehicle's electrical system can disrupt the cruise control operation, so checking for any blown fuses is a good first step. Vacuum leaks can also affect the cruise control's performance, as they impact the vacuum-operated components that regulate speed. Lastly, a malfunctioning cruise control module may be the root cause of the problem, and replacing it could restore functionality. By systematically addressing these common issues, you can effectively troubleshoot and potentially resolve the cruise control problems in your Dodge Ram 3500.

How urgent is it to address the malfunctioning cruise control in a 2006 Dodge Ram 3500?

Addressing a malfunctioning cruise control in a 2006 Dodge Ram 3500 is of utmost urgency due to the significant safety risks it poses. A faulty system can lead to unexpected acceleration or deceleration, which can be dangerous for both the driver and other road users. Moreover, neglecting this issue can result in decreased fuel efficiency, ultimately leading to higher operational costs and potential damage to critical components like the engine or transmission. Additionally, cruise control malfunctions may signal deeper electronic system issues that could affect other vital functions of the vehicle. Therefore, it is crucial to diagnose and repair cruise control problems promptly to ensure safe driving, maintain optimal vehicle performance, and avoid costly repairs down the line.

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Fixing Cruise Control Issues in 2006 Dodge Ram 3500