2012 Chrysler 300 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2012 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 2012 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 2012 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.

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 initial diagnostic steps to troubleshoot the non-functioning cruise control in a 2012 Chrysler 300?

When troubleshooting the non-functioning cruise control in your 2012 Chrysler 300, it's essential to adopt a systematic diagnostic approach. Begin by checking the cruise control fuse located in the fuse box, as a blown fuse is a straightforward issue that can easily disrupt the system. Next, inspect the cruise control buttons on the steering wheel to ensure they are operational, as faulty buttons can prevent engagement. Following this, verify the speed sensor's functionality, since the cruise control system relies heavily on accurate speed readings. Utilizing a diagnostic scanner to check for error codes can provide valuable insights into any underlying issues. Additionally, ensure that the brake lights are functioning correctly, as a malfunctioning brake light switch can inhibit cruise control activation. Lastly, if your vehicle employs a vacuum-operated system, inspect the vacuum lines for any leaks or damage that could impair performance. By methodically addressing these areas, you can effectively diagnose and potentially resolve the cruise control issue before seeking professional assistance.

What are the common problems that could cause the cruise control to stop working in a 2012 Chrysler 300?

When troubleshooting cruise control issues in a 2012 Chrysler 300, it's essential to understand 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, it can prevent the system from engaging properly. Additionally, speed sensor issues can arise, as this component is vital for maintaining a constant speed; any malfunction here can lead to cruise control failure. Another potential problem is a blown fuse within the cruise control system, which can completely disable its functionality. Furthermore, a defective cruise control module may also be responsible for the system not working as intended. Lastly, vacuum leaks in the engine can disrupt the cruise control's ability to maintain speed consistently. If you encounter issues with your cruise control, it's advisable to conduct a thorough inspection or consult a qualified mechanic to accurately diagnose and resolve the specific problem.

How urgent is it to address the non-functioning cruise control in a 2012 Chrysler 300?

When it comes to a non-functioning cruise control in your 2012 Chrysler 300, addressing the issue should be a priority, even if it may not seem like an immediate emergency. While the absence of cruise control may not directly compromise your safety, it can significantly detract from your driving comfort, especially during long trips where maintaining a steady speed is crucial. Ignoring this problem could lead to increased driver fatigue and frustration, particularly on highways where cruise control is most beneficial. Moreover, a malfunctioning system might indicate underlying mechanical or electrical issues that could escalate if left unattended, potentially resulting in more costly repairs down the line. Therefore, taking the time to diagnose and fix your cruise control not only enhances your driving experience but also helps prevent further complications, making it a wise DIY project to tackle sooner rather than later.

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