2018 Chrysler 300 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2018 Chrysler 300 and How to Fix Them

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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 2018 Chrysler 300 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 Chrysler 300 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 2018 Chrysler 300?

When faced with a non-functioning cruise control in a 2018 Chrysler 300, start your troubleshooting by checking the cruise control fuse, as a blown fuse can often be the simplest explanation for the issue. Next, ensure that the cruise control settings are correctly configured according to the vehicle's manual, as incorrect settings can prevent the system from engaging. If these initial checks do not resolve the problem, use a diagnostic scanner to look for any error codes that may indicate underlying issues with the cruise control system. Additionally, inspect the cruise control buttons on the steering wheel for any signs of damage or malfunction, as these controls are crucial for operation. Finally, examine the brake pedal switch, since a malfunctioning switch can inadvertently disengage the cruise control when the brake is pressed. By following this structured approach, you can effectively diagnose and potentially resolve the cruise control issue in your Chrysler 300.

What are the common problems that could cause the cruise control to stop working in a 2018 Chrysler 300?

When troubleshooting the cruise control system in a 2018 Chrysler 300, it's essential to understand the common problems that may lead to its failure. 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. Additionally, issues with the speed sensor can disrupt the cruise control's ability to maintain a steady speed, as the system relies on accurate speed readings to function correctly. Another potential issue is a blown fuse within the cruise control circuit, which can easily be checked and replaced to restore functionality. Furthermore, the cruise control module itself may be defective, necessitating replacement to resolve engagement problems. Electrical issues, such as corroded connections or damaged wiring, can also hinder the system's performance, so ensuring all components are secure and in good condition is crucial. Lastly, a malfunctioning throttle control system can interfere with the cruise control's speed regulation capabilities. By systematically addressing these common problems, you can effectively troubleshoot and potentially fix the cruise control system in your Chrysler 300.

How urgent is it to address the non-functioning cruise control in a 2018 Chrysler 300?

When it comes to a non-functioning cruise control in a 2018 Chrysler 300, the urgency of addressing the issue cannot be overstated. While it may not seem like an immediate emergency, a malfunctioning cruise control system can indicate deeper problems within the vehicle's electrical system or sensors, which could lead to more significant issues if left unchecked. For those who frequently embark on long drives, the convenience of cruise control is invaluable, as it not only enhances comfort but also improves fuel efficiency. Ignoring this feature's malfunction can result in driver fatigue and inconvenience, particularly on extended highway trips where maintaining a consistent speed is crucial. Moreover, timely intervention can prevent further damage to the vehicle, potentially saving you from costly repairs down the line. Therefore, while it may be tempting to postpone repairs, addressing the non-functioning cruise control should be a priority to ensure both safety and the optimal performance of your Chrysler 300.

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