2014 Smart Fortwo Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2014 Smart Fortwo and How to Fix Them

Find Repair Location
Reviewed by
Aisha
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 2014 Smart Fortwo 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 2014 Smart Fortwo 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.

What are the initial diagnostic steps to troubleshoot the non-functioning cruise control in a 2014 Smart Fortwo?

When troubleshooting the non-functioning cruise control in a 2014 Smart Fortwo, it's essential to adopt a systematic diagnostic approach. Begin by checking the cruise control fuse, as a blown fuse is a straightforward issue that can easily disrupt the system's functionality. Next, verify the cruise control switch to ensure it is operational; a malfunctioning switch can prevent the system from engaging. Following this, inspect the speed sensors, as they play a crucial role in the cruise control's performance; any faults here can lead to significant issues. Utilizing a diagnostic scanner to check for error codes can provide valuable insights into specific problems affecting the cruise control system. Lastly, examine the wiring and connections for any signs of damage or corrosion, as faulty wiring can often be the root cause of cruise control malfunctions. By methodically addressing these areas, you can effectively identify and resolve the issues affecting your cruise control system.

What are the common problems that could cause the cruise control to stop working in a 2014 Smart Fortwo?

When dealing with cruise control issues in a 2014 Smart Fortwo, it's essential to recognize the common problems that may be at play. One frequent culprit is a faulty brake pedal switch, which is crucial for disengaging the cruise control when the brake is applied; if this switch malfunctions, the system may not engage at all. Additionally, speed sensor issues can disrupt the cruise control's ability to maintain a steady speed, leading to erratic performance or complete failure. Another potential problem is a blown fuse within the cruise control system, which can halt its operation entirely. Furthermore, a defective cruise control module may fail to communicate with the vehicle's systems, resulting in malfunction. Lastly, if the throttle actuator is not functioning correctly, it can impede the cruise control's ability to adjust engine speed as needed. By understanding these common issues, DIYers can effectively troubleshoot and potentially resolve cruise control problems in their Smart Fortwo.

How urgent is it to address the malfunctioning cruise control in a 2014 Smart Fortwo?

Addressing a malfunctioning cruise control in a 2014 Smart Fortwo is of utmost urgency due to the significant safety risks it poses. A faulty system can lead to unexpected acceleration or deceleration, which can endanger both the driver and other road users. Additionally, a malfunctioning cruise control can create discomfort and frustration for the driver, detracting from the overall driving experience. Ignoring these symptoms not only compromises safety but can also lead to further damage to the vehicle's systems, resulting in more extensive and expensive repairs down the line. Therefore, it is crucial for Smart Fortwo owners to prioritize the diagnosis and repair of cruise control issues to ensure a safe and enjoyable driving experience.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.