2002 Dodge Ram 3500 Van Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2002 Dodge Ram 3500 Van and How to Fix Them

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Reviewed by
Bo Fader
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 2002 Dodge Ram 3500 Van 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 2002 Dodge Ram 3500 Van 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 throttle position sensor fails, the engine's computer tends to overcompensate with fuel, leading black exhaust coming from the tailpipe. There is a strong possibility of engine misfires, and the check engine light will come on.

Throttle position sensors can also develop "dead spots," or certain places along the throttle curve where it doesn't get a reading. When this happens, the above symptoms can occur but then stop when you further press or let off the gas pedal.

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 in a 2002 Dodge Ram 3500 Van?

When diagnosing the non-functioning cruise control in a 2002 Dodge Ram 3500 Van, it's essential to adopt a systematic approach that begins with the most straightforward checks. Start by examining the cruise control fuse located in the fuse box; a blown fuse is a common culprit that can easily be replaced. Next, inspect the cruise control buttons on the steering wheel to ensure they are operational, as faulty buttons can hinder engagement. Following this, verify the functionality of the vehicle's speed sensor, which is crucial for the cruise control system to maintain speed. Utilizing a diagnostic scanner to check for error codes can provide insights into any underlying issues that may not be immediately visible. Additionally, inspect the vacuum lines connected to the cruise control system for any signs of leaks or damage, as these can disrupt its operation. Finally, if the previous steps do not resolve the issue, test the cruise control module itself, as a malfunctioning module may be the reason for the system's failure. By methodically working through these steps, you can effectively diagnose and address the cruise control problem in your Dodge Ram 3500 Van.

What are the common problems that could cause the cruise control to stop working in a 2002 Dodge Ram 3500 Van?

When troubleshooting cruise control issues in a 2002 Dodge Ram 3500 Van, it's essential to consider several common problems that could be at play. A faulty cruise control switch is often the first suspect, as it can hinder the system's ability to engage or disengage properly. Additionally, a blown fuse in the vehicle's fuse box can disrupt the entire cruise control system, rendering it inoperative. Another critical component to examine is the brake pedal switch; if this switch is malfunctioning, it may not signal the cruise control to disengage when the brakes are applied, leading to operational failures. Furthermore, issues with the vehicle speed sensor can prevent the cruise control from maintaining a consistent speed, while vacuum leaks in the engine can also significantly impact the system's functionality. If you're experiencing cruise control problems, it's advisable to systematically check these components to identify and resolve the issue effectively.

How urgent is it to address the non-functioning cruise control in a 2002 Dodge Ram 3500 Van?

Addressing the non-functioning cruise control in a 2002 Dodge Ram 3500 Van should be considered a priority for any DIY enthusiast. While it may not seem like an immediate emergency, the implications of neglecting this issue can be significant. A malfunctioning cruise control system can lead to unpredictable vehicle behavior, such as sudden acceleration or deceleration, which poses a serious safety risk, especially on highways where maintaining a steady speed is crucial. Furthermore, the absence of this feature can lead to increased driver fatigue during long trips, detracting from the overall comfort of the driving experience. Additionally, diagnosing the root cause of the problem early on can prevent more extensive and costly repairs in the future. Lastly, in some areas, having a fully functional cruise control system is necessary to meet vehicle inspection standards, making timely repairs not just a matter of convenience but also of legal compliance. Therefore, addressing the cruise control issue promptly is essential for ensuring a safe, comfortable, and compliant driving experience.

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