2004 Dodge Ram 1500 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2004 Dodge Ram 1500 and How to Fix Them

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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 1500 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 1500 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 steps should I take to diagnose the non-functioning cruise control on my 2004 Dodge Ram 1500?

To effectively diagnose the non-functioning cruise control on your 2004 Dodge Ram 1500, begin with the simplest solutions before progressing to more intricate checks. Start by inspecting the fuse associated with the cruise control system, as a blown fuse is a common and easily fixable issue. Next, examine the wiring for any signs of damage or loose connections, which can disrupt the system's functionality. After ensuring the wiring is intact, test the cruise control switch located on the steering wheel; a malfunctioning switch is often a culprit in cruise control failures. If your vehicle utilizes a vacuum system for cruise control, check the vacuum lines for leaks or damage, as these can significantly impact performance. Additionally, using a diagnostic scanner to check for error codes can provide insights into specific problems affecting the system. Don’t overlook the speed sensor, as its proper functioning is crucial for cruise control operation. If these steps do not resolve the issue, consider consulting a mechanic who specializes in cruise control systems for a more thorough diagnosis. By following this structured approach, you can systematically identify and address the root cause of your cruise control problems.

What are the common problems that could cause the cruise control to stop working in a 2004 Dodge Ram 1500?

When dealing with cruise control issues in a 2004 Dodge Ram 1500, it's essential to understand the common problems that may be at play. One frequent culprit is a faulty brake light switch, which can prevent the cruise control from engaging since it is designed to disengage when the brakes are applied. Additionally, a blown fuse in the vehicle's electrical system can disrupt the cruise control function, making it crucial to check the fuse box for any issues. Vacuum leaks in the engine can also affect cruise control performance, as the system relies on vacuum pressure to maintain speed. Another potential problem is a defective speed sensor, which provides critical data for the cruise control system; if this sensor fails, the cruise control may not function correctly. Lastly, issues with the throttle cable, such as fraying or stretching, can hinder the cruise control's ability to maintain speed. By identifying and addressing these common issues, DIYers can effectively troubleshoot and resolve cruise control problems in their Dodge Ram 1500.

How urgent is it to repair the non-functioning cruise control in a 2004 Dodge Ram 1500?

When considering the urgency of repairing the non-functioning cruise control in a 2004 Dodge Ram 1500, it's essential to evaluate both the convenience and safety implications. While the cruise control system is primarily a comfort feature, its malfunction can detract from the driving experience, particularly on long journeys where maintaining a steady speed is beneficial. If the issue stems from minor components like a faulty switch or a blown fuse, it may not pose an immediate risk, allowing for a more flexible repair timeline. However, if the malfunction is linked to critical systems such as the throttle or brake, it becomes imperative to address the problem promptly to ensure safe vehicle operation. Therefore, diagnosing the root cause of the cruise control failure is crucial; it will help you determine whether the repair can wait or if it requires urgent attention to prevent potential safety hazards or further damage to the vehicle.

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