Ford F-150 Lightning Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your Ford F-150 Lightning 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
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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 Ford F-150 Lightning 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 Ford F-150 Lightning 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 Ford F-150 Lightning

When troubleshooting cruise control issues in your Ford F-150 Lightning, it's essential to adopt a systematic diagnostic approach. Start by checking the fuses associated with the cruise control system, as a blown fuse can often be the simplest explanation for a malfunction. If the fuses are intact, proceed to inspect the control module and associated sensors, as these components can fail and disrupt the system's functionality. Pay attention to any error messages displayed, such as "adaptive cruise control unavailable," which can provide clues about the underlying issue. Additionally, ensure you fully understand the truck's features, particularly how it interacts with speed limits and adjusts accordingly, as this can sometimes lead to confusion about its operation. If these initial checks do not resolve the problem, it may be time to consult a certified mechanic or reach out to Ford for further assistance, ensuring that you address any complex issues effectively.

What Could Cause the Cruise Control to Malfunction in a Ford F-150 Lightning?

When dealing with cruise control malfunctions in a Ford F-150 Lightning, it's essential to recognize the common problems that may be at play. One frequent issue is a failed control module, which can disrupt the entire cruise control system. Additionally, sensor or switch problems can lead to inconsistent functionality, such as buttons that fail to respond or the system unexpectedly disengaging during a drive. Throttle actuation issues are another critical factor, as they can prevent the cruise control from maintaining the desired speed. For those experiencing complete system failure, checking the fuses is a vital first step, as the cruise control relies on power from the ignition switch. Furthermore, some drivers have reported alarming experiences where the vehicle accelerates unexpectedly, which may stem from misunderstandings regarding the truck's advanced features, such as speed sign recognition. By diagnosing these specific issues, DIY enthusiasts can effectively troubleshoot and resolve cruise control problems, ensuring a safer and more reliable driving experience.

Why is the Cruise Control Not Working in a Ford F-150 Lightning?

When your Ford F-150 Lightning's cruise control is malfunctioning, it’s crucial to address the issue without delay. Common culprits such as a failed control module, faulty sensors, or malfunctioning switches can significantly impact your driving experience and safety. Additionally, problems with throttle actuation or a failing throttle position sensor can not only disrupt cruise control functionality but may also lead to engine performance issues, such as excessive fuel consumption and black exhaust emissions. Ignoring these symptoms could result in more severe damage to your vehicle and compromise your safety on the road. Therefore, it is advisable to conduct a thorough inspection of these components as soon as you notice any irregularities, ensuring that your Ford F-150 Lightning remains safe and reliable for your journeys.

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Ford F-150 Lightning Cruise Control Issues & Repairs