2006 Dodge Ram 2500 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2006 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 2006 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 2006 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 steps to diagnose the cruise control issue in a 2006 Dodge Ram 2500?

To effectively diagnose the cruise control issue in your 2006 Dodge Ram 2500, start with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Begin by inspecting the throttle and vacuum lines, as these are common culprits for cruise control malfunctions. Look closely at the plastic vacuum lines for any signs of wear or damage, which can often lead to loss of functionality. Next, check for any loose screws that may be compromising the cruise control system's integrity; ensuring all components are securely fastened can resolve many issues. Additionally, test the on/off button to confirm it is operational, as a malfunctioning switch can prevent the system from engaging. If your vehicle is equipped with Adaptive Cruise Control, verify that it is correctly set and functioning, as this feature has its own set of requirements. By following this structured diagnostic approach, you can identify and potentially fix the cruise control problem, saving time and effort in the process.

What are the common problems that could cause the cruise control to stop working in a 2006 Dodge Ram 2500?

When troubleshooting the cruise control system in a 2006 Dodge Ram 2500, it's essential to consider several common problems that could be at play. One of the first things to check is the fuse associated with the cruise control; a blown fuse can easily disrupt its functionality. Additionally, the brake pedal switch is another frequent culprit, as it must be functioning correctly for the cruise control to engage. If the vehicle's throttle system is experiencing issues, this can also lead to cruise control malfunctions, so inspecting the throttle for any irregularities is advisable. Furthermore, if any warning lights, such as the ABS, traction control, or engine light, are illuminated on the dashboard, they may indicate underlying issues that prevent the cruise control from operating. It's important to note that the cruise control system in this model relies on electronic controls rather than vacuum, which means that any electronic faults could also be a factor. By systematically checking these components, DIYers can effectively diagnose and potentially resolve the cruise control issues in their Dodge Ram 2500.

How urgent is it to address the malfunctioning cruise control in my 2006 Dodge Ram 2500?

When it comes to the malfunctioning cruise control in your 2006 Dodge Ram 2500, the urgency to address the issue cannot be overstated. A malfunctioning system can lead to unpredictable vehicle behavior, such as sudden acceleration or deceleration, which poses a significant safety risk not only to you but also to other road users. Ignoring these symptoms may result in dangerous driving conditions, increasing the likelihood of accidents or collisions. Furthermore, delaying repairs can exacerbate the problem, potentially leading to more extensive damage to the vehicle's systems and incurring higher repair costs in the future. Therefore, it is crucial to prioritize the inspection and repair of your cruise control system, ideally by a qualified mechanic, to ensure your vehicle operates safely and efficiently. Taking prompt action not only safeguards your well-being but also helps maintain the integrity of your vehicle, making it a wise decision 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.