2005 Dodge Grand Caravan Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2005 Dodge Grand Caravan and How to Fix Them

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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
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25% chance it's the
Throttle
0%
20% chance it's
Something else
The most common reasons a 2005 Dodge Grand Caravan 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 2005 Dodge Grand Caravan 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.

A faulty cruise control module will simply result in deactivation of cruise control settings. This is because a detected error in the cruise control system could lead to hazardous driving conditions, so the module will be disabled, and the cruise control system warning light will be displayed. This will be a different message depending on make and model, and a warning light or message may be displayed on the driver instrument cluster.

What are the initial diagnostic steps to troubleshoot the non-functional cruise control in a 2005 Dodge Grand Caravan?

When faced with a non-functional cruise control in your 2005 Dodge Grand Caravan, start your troubleshooting by checking the cruise control fuse in the fuse box; a blown fuse can often be the simplest fix. Next, test the cruise control switch located on the steering wheel to ensure it is operational, as a faulty switch can prevent the system from engaging. It's also crucial to examine the brake pedal switch, which should not be stuck or malfunctioning, since the cruise control system is designed to disengage when the brake is applied. Additionally, inspect the vehicle speed sensor, as it is vital for the cruise control's functionality; if it’s not working correctly, the system may not function as intended. Finally, using a diagnostic scanner to check for any error codes can provide further insights into the problem, helping you to pinpoint the issue more effectively. By following these steps, you can systematically diagnose and potentially resolve the cruise control malfunction in your vehicle.

What are the common problems that could cause the cruise control to stop working in a 2005 Dodge Grand Caravan?

When the cruise control in a 2005 Dodge Grand Caravan ceases to function, several common issues may be at play. One of the primary culprits is a faulty brake pedal switch, which is designed to disengage the cruise control when the brake is applied; if this switch malfunctions, it can prevent the system from engaging. Another frequent issue is a defective speed sensor, which is crucial for relaying the vehicle's speed to the cruise control system; without accurate speed data, the cruise control cannot maintain the desired speed. Additionally, a blown fuse can disrupt the cruise control system's operation, so checking the fuses is a simple yet effective troubleshooting step. Vacuum leaks in the engine can also impact the cruise control's ability to maintain speed, making it essential to inspect for any leaks that may need repair. Furthermore, a malfunctioning cruise control module can hinder the system's performance, and if this component is found to be defective, it may require replacement. Lastly, electrical issues, including faulty wiring or connections, can lead to cruise control failure, so a thorough inspection of the electrical system is advisable. By understanding these common problems, DIYers can effectively diagnose and potentially resolve cruise control issues in their Dodge Grand Caravan.

How urgent is it to repair the non-functioning cruise control on a 2005 Dodge Grand Caravan?

When evaluating the urgency of repairing the non-functioning cruise control on a 2005 Dodge Grand Caravan, it is crucial to recognize the potential safety risks associated with a malfunctioning system. A properly functioning cruise control not only enhances driving comfort during long trips but also helps maintain a consistent speed, reducing the likelihood of unintentional speeding or sudden deceleration. Neglecting this repair could lead to dangerous driving situations, particularly on highways where maintaining speed is essential for safety. Additionally, while the immediate drivability of the vehicle may not be compromised, ignoring the cruise control issue could result in further complications with related systems, ultimately leading to more significant mechanical problems and costly repairs down the line. Therefore, addressing the malfunction promptly is advisable to ensure both the safety of the driver and passengers and the overall health of the vehicle.

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