2018 Ford Transit-350 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2018 Ford Transit-350 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 2018 Ford Transit-350 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 2018 Ford Transit-350 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.

What are the initial steps to diagnose the non-functioning cruise control in a 2018 Ford Transit-350?

To effectively diagnose the non-functioning cruise control in your 2018 Ford Transit-350, start with the simplest solutions before moving on to more complex diagnostics. Begin by checking the cruise control fuse located in the fuse box, as a blown fuse is a common and easily fixable issue. Next, inspect the cruise control buttons on the steering wheel to ensure they are operational, as malfunctioning buttons can prevent the system from engaging. Following this, verify the functionality of the vehicle's speed sensors, since faulty sensors can disrupt the cruise control's ability to maintain speed. If these initial checks do not resolve the issue, use a diagnostic scanner to look for any error codes that may indicate specific problems within the cruise control system. Additionally, examine the brake and clutch switches, as these components are designed to disable cruise control for safety reasons if they are not functioning correctly. Finally, inspect the wiring and connections associated with the cruise control system for any signs of damage or corrosion, as poor connections can hinder the system's performance. By systematically addressing these areas, you can effectively troubleshoot and potentially resolve the cruise control issue in your vehicle.

What are the common problems that could cause the cruise control to stop working in a 2018 Ford Transit-350?

When troubleshooting the cruise control system in a 2018 Ford Transit-350, it's essential to consider several common issues that may be at play. Start by checking the speed sensors, as faulty sensors can disrupt the system's ability to maintain speed. Next, inspect the brake light switch; if it malfunctions, it may inadvertently disengage the cruise control when the brakes are applied. A blown fuse is another straightforward issue to investigate, as it can prevent the cruise control from functioning altogether. Additionally, examine the cruise control module for faults, as a defective module can lead to complete system failure. Throttle control problems, such as a stuck throttle or issues with the throttle position sensor, can also hinder the cruise control's performance. Lastly, don't overlook potential electrical problems, including wiring issues or a faulty switch, which can significantly impact the system's operation. By systematically checking these components, you can identify and address the root cause of your cruise control issues effectively.

How urgent is it to address the non-functioning cruise control in a 2018 Ford Transit-350?

When it comes to the non-functioning cruise control in a 2018 Ford Transit-350, understanding the urgency of the situation is crucial for both safety and vehicle performance. While it may not seem like an immediate emergency, neglecting this issue can lead to more significant problems down the line. A malfunctioning cruise control system often points to underlying electrical issues or sensor failures, which, if left unaddressed, could escalate into costly repairs. Moreover, the convenience of cruise control is particularly valuable during long drives, as it helps maintain a steady speed and reduces driver fatigue. Therefore, it is advisable for DIY enthusiasts to diagnose the problem promptly, as this not only enhances the driving experience but also ensures that all vehicle systems are functioning optimally. By taking action sooner rather than later, you can prevent further damage and maintain the safety and reliability of your Ford Transit-350 on the road.

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