Dodge Sprinter 2500 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your Dodge Sprinter 2500 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
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25% chance it's the
Control Module
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25% chance it's the
Throttle
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20% chance it's
Something else
The most common reasons a Dodge Sprinter 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 Dodge Sprinter 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.

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.

Troubleshooting Cruise Control Issues in a Dodge Sprinter 2500

When troubleshooting cruise control issues in your Dodge Sprinter 2500, start with the basics to streamline your diagnostic process. Begin by inspecting the control module, throttle, and sensors for any visible signs of malfunction. A simple yet effective step is to check the air gap on each sensor, as an excessive gap can disrupt functionality. If you encounter persistent issues, consider disconnecting the battery for 30 to 60 seconds to reset any error codes, although this may not always be effective on Sprinters. Next, ensure that the fuses in the column fuse panel are intact and that the right rear tail/brake light is functioning properly, as weak contacts can lead to intermittent electrical problems. Additionally, examine the brake switch's connection and adjustment, as any misalignment can affect cruise control operation. If the cruise control fails after a period of use, particularly on long stretches of road, it may be linked to radar functionality issues, which require further investigation. By following this structured approach, you can effectively identify and address the root causes of cruise control malfunctions in your vehicle.

What Could Cause the Cruise Control to Malfunction in a Dodge Sprinter 2500?

When dealing with cruise control malfunctions in a Dodge Sprinter 2500, it's crucial to understand the common problems that may arise. One of the first things to check is the fuses; a blown fuse can interrupt the power supply to the cruise control system, rendering it inoperable. Additionally, the brake pedal position sensor plays a vital role in cruise control functionality, and any defects in the brake pedal switches can lead to issues. Another area to inspect is the throttle body, as malfunctions here can directly impact the cruise control's performance. It's also important to consider the PRNDL or shifter position switch, as problems in this component can prevent the cruise control from engaging properly. Lastly, issues with the Anti-lock Brake System (ABS) can affect cruise control activation, since the ABS control module is integral to the system's operation. For older models, don't overlook the possibility of a broken vacuum line, which can also disrupt cruise control functionality. By systematically checking these components, DIYers can effectively diagnose and resolve cruise control issues in their Dodge Sprinter 2500.

Why is the Cruise Control Not Working in a Dodge Sprinter 2500?

When the cruise control in your Dodge Sprinter 2500 malfunctions, it’s crucial to address the issue promptly to avoid safety risks and further mechanical damage. A blown fuse or a defective brake pedal switch are common culprits that can easily be checked and replaced. Additionally, problems with the throttle control system or the ABS can disrupt the cruise control functionality, potentially leading to erratic vehicle behavior. In older models, a broken vacuum line may be the source of the problem, while a faulty brake light or brake switch can also prevent the system from engaging. Moreover, if a wheel sensor fails, it not only affects cruise control but can also compromise the ABS, increasing the risk of accidents. Ignoring these symptoms can lead to more severe issues, including complete system failure or unsafe driving conditions. Therefore, it’s advisable to conduct a thorough inspection or consult a qualified mechanic to ensure your vehicle remains safe and reliable on the road.

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