2020 Chrysler 300 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2020 Chrysler 300 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
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 2020 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 2020 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 steps should I take to diagnose the cruise control issue in my 2020 Chrysler 300?

To effectively diagnose the cruise control issue in your 2020 Chrysler 300, begin with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Start by inspecting the cruise control fuse located in the fuse box, as a blown fuse is a common and easily fixable problem that can disrupt functionality. Next, examine the cruise control buttons on your steering wheel to ensure they are operational, as faulty buttons can prevent the system from engaging. Following this, verify the speed sensor's performance, since it is essential for maintaining a consistent speed; any malfunction here can directly impact cruise control operation. Utilizing an OBD-II scanner to check for error codes can provide valuable insights into specific issues affecting the system. Additionally, ensure that your brake lights are functioning correctly, as malfunctioning lights can inadvertently disable cruise control. Inspecting the vacuum lines for leaks or damage is also crucial, as vacuum issues can hinder the system's performance. Finally, if all previous checks do not reveal the problem, testing the cruise control module may be necessary, as this component is central to the system's operation. By following this diagnostic approach, you can efficiently identify and address the root cause of your cruise control issues.

What are the common problems that could cause the cruise control to stop working in a 2020 Chrysler 300?

When troubleshooting cruise control issues in a 2020 Chrysler 300, it's essential to consider several common problems that could be at play. One of the first components to check is the brake light switch, as a malfunction here can prevent the cruise control from engaging, since the system is designed to deactivate when the brake pedal is pressed. Additionally, a defective speed sensor can disrupt the system's ability to maintain speed, leading to erratic behavior or complete failure. It's also wise to inspect the fuses related to the cruise control system, as a blown fuse can halt its operation entirely. Furthermore, vacuum leaks in the engine can compromise the system's functionality, given that cruise control relies on vacuum pressure to function correctly. Lastly, the cruise control module itself may be faulty, which is another common reason for failure. By systematically checking these components, DIYers can often identify and resolve the issue without needing to consult a mechanic.

How urgent is it to address the non-functioning cruise control in a 2020 Chrysler 300?

When it comes to the non-functioning cruise control in a 2020 Chrysler 300, understanding the urgency of the situation is crucial for any DIY enthusiast. While the immediate safety risks may not be apparent, neglecting this issue can lead to a less enjoyable driving experience and potential complications down the line. A malfunctioning cruise control system can cause driver fatigue during long trips, as it removes the convenience of maintaining a steady speed. Moreover, if left unaddressed, the underlying issues could escalate, potentially affecting other electronic systems in the vehicle. Therefore, it is advisable to diagnose and repair the cruise control system promptly. This proactive approach not only enhances your driving comfort but also helps prevent more significant repairs in the future, ensuring that your Chrysler 300 remains in optimal condition.

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