2004 Dodge Ram 3500 Cruise Control Isn't Working

Fixing Cruise Control Issues in 2004 Dodge Ram 3500

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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 2004 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 2004 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 2004 Dodge Ram 3500?

When troubleshooting the non-functional cruise control in your 2004 Dodge Ram 3500, it's essential to adopt a systematic diagnostic approach. Start by checking the cruise control fuse, as a blown or damaged fuse can easily disrupt the system's functionality. Next, inspect the cruise control switch located on the steering wheel for any signs of damage or malfunction, as this component is crucial for activating the system. It's also important to verify that your brake lights are functioning correctly; a faulty brake light switch can inadvertently disable the cruise control. Additionally, examine the vehicle speed sensor, which is vital for the cruise control to operate properly, ensuring it is working as intended. Finally, consider scanning your vehicle's onboard computer for any error codes that may provide insights into underlying issues affecting the cruise control system. By following these steps, you can effectively diagnose and address the problem, potentially saving time and money on repairs.

What are the common problems that could cause the cruise control to stop working in a 2004 Dodge Ram 3500?

When troubleshooting the cruise control system in a 2004 Dodge Ram 3500, 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 necessary communication between the vehicle's speed system and the cruise control, resulting in malfunction. Another issue to consider is vacuum leaks within the cruise control system; these leaks can lead to a loss of vacuum pressure, impairing the system's ability to maintain speed. Furthermore, a malfunctioning cruise control module may require replacement to restore proper functionality. Lastly, electrical issues such as blown fuses, damaged wiring, or a faulty cruise control switch can also hinder the system's performance. By systematically addressing these potential problems, DIY enthusiasts can effectively troubleshoot and resolve cruise control issues in their Dodge Ram 3500.

How urgent is it to address the non-functioning cruise control in a 2004 Dodge Ram 3500?

When considering the urgency of fixing a non-functioning cruise control in a 2004 Dodge Ram 3500, it is essential to recognize the potential safety risks involved. A malfunctioning system can lead to erratic speed changes, which may compromise your control over the vehicle, especially during long highway drives. Additionally, the absence of cruise control can increase driver fatigue, making long trips less comfortable and more taxing. Beyond immediate driving concerns, neglecting this issue can also affect the vehicle's resale value; prospective buyers often view non-functional features as red flags, which could deter them from making a purchase. Furthermore, addressing the problem early can prevent further damage to the cruise control system, ultimately saving you money on repairs. Therefore, while the urgency may vary based on personal driving habits, it is generally advisable to prioritize the repair of a non-functioning cruise control system to ensure safety, comfort, and financial prudence.

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