2016 Ram ProMaster City Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2016 Ram ProMaster City and How to Fix Them

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Reviewed by
Andrew Hajjar
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 2016 Ram ProMaster City 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 2016 Ram ProMaster City 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 steps to diagnose the cruise control issue in a 2016 Ram ProMaster City?

To effectively diagnose a cruise control issue in your 2016 Ram ProMaster City, begin with the simplest solutions. Start by checking the cruise control fuse to ensure it is intact, as a blown fuse can easily disrupt the system. Next, inspect the cruise control buttons on the steering wheel for any signs of damage or sticking, as these can prevent proper operation. If these initial checks do not resolve the issue, utilize a diagnostic scanner to identify any error codes that may indicate specific problems within the cruise control system. Following this, test the cruise control module to confirm it is functioning correctly and sending the appropriate signals. Additionally, examine the speed sensors to ensure they are providing accurate data, as faulty sensors can lead to cruise control malfunctions. Finally, inspect the wiring and connections for any loose or damaged components that could affect the system's performance. If you have completed these steps and the issue persists, it may be time to consult a professional mechanic for further assistance. This methodical approach not only helps in identifying the problem but also empowers you to tackle the issue with confidence.

What are the common problems that could cause the cruise control to stop working in a 2016 Ram ProMaster City?

When troubleshooting cruise control issues in a 2016 Ram ProMaster City, it's essential to consider several common problems that could be at play. One of the primary culprits is a faulty brake pedal switch, which is crucial for disengaging the cruise control when the brake is applied. If this switch malfunctions, it can prevent the system from engaging properly. Additionally, speed sensor issues can arise, as the cruise control system relies on accurate speed readings to maintain the desired speed. A blown fuse related to the cruise control system is another straightforward issue to check; replacing any blown fuses can often restore functionality. Furthermore, if the cruise control module itself is defective, it may require repair or replacement. Lastly, electrical problems, such as wiring issues or a weak battery, can also disrupt the operation of the cruise control system. By systematically addressing these potential problems, DIYers can effectively troubleshoot and resolve cruise control issues in their vehicle.

How urgent is it to address the non-functioning cruise control in a 2016 Ram ProMaster City?

When it comes to the non-functioning cruise control in your 2016 Ram ProMaster City, addressing the issue should be a priority, even if it may not seem like an immediate emergency. A malfunctioning cruise control system can lead to increased driver fatigue during long trips, as it removes the convenience of maintaining a steady speed. Moreover, this issue could signal deeper problems within the vehicle's electrical system, which, if left unchecked, might escalate into more significant and costly repairs. Safety is another critical factor; a faulty cruise control can create unpredictable driving conditions, especially on highways where maintaining speed is essential. Therefore, while you might be tempted to delay repairs, it is wise to inspect the system promptly. For those inclined to take a DIY approach, consider starting with a thorough check of the fuses and connections related to the cruise control system, as these are often the culprits behind such malfunctions. By prioritizing this repair, you not only enhance your driving experience but also ensure the safety and reliability of your vehicle on the road.

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