2009 Jeep Commander Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2009 Jeep Commander and How to Fix Them

Find Repair Location
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 2009 Jeep Commander 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 2009 Jeep Commander 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 non-functioning cruise control in a 2009 Jeep Commander?

To effectively diagnose the non-functioning cruise control in your 2009 Jeep Commander, begin with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Start by inspecting the fuse associated with the cruise control system, as a blown fuse is a common and easily fixable issue. Next, examine the cruise control buttons on the steering wheel to ensure they are operational, since faulty buttons can prevent engagement. It's also crucial to check the brake lights; a malfunctioning brake light switch can disrupt the cruise control's functionality. If these initial checks do not reveal the problem, utilize an OBD-II scanner to identify any error codes that may indicate specific issues within the system. Following this, inspect the speed sensor, as a malfunction here can hinder the cruise control's ability to maintain speed. Lastly, if your vehicle employs a vacuum-operated system, check the vacuum lines for leaks or damage, as these can significantly impact performance. By following this structured 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 2009 Jeep Commander?

When the cruise control in your 2009 Jeep Commander stops functioning, it can be frustrating, but understanding the common problems can help you diagnose the issue effectively. One of the primary culprits is a faulty brake light switch, which is crucial for the cruise control system as it disengages the cruise when the brake pedal is pressed. If this switch is malfunctioning, it may prevent the cruise control from engaging at all. Another potential issue is a malfunctioning speed sensor; since the cruise control relies on accurate speed readings to maintain a constant speed, any problems here can disrupt its operation. Additionally, a blown fuse in the vehicle's electrical system can interrupt the cruise control function, so checking the fuses is a good first step. Vacuum leaks in the engine can also affect the cruise control's ability to maintain speed, so inspecting for any leaks and repairing them may restore functionality. Lastly, if all else fails, the cruise control module itself might be faulty, necessitating repair or replacement. By systematically checking these components, you can effectively troubleshoot and potentially resolve the cruise control issues in your Jeep Commander.

How urgent is it to address the malfunctioning cruise control in a 2009 Jeep Commander?

Addressing the malfunctioning cruise control in a 2009 Jeep Commander is of utmost urgency due to the potential safety hazards it presents. A faulty cruise control system may fail to disengage when needed, which can lead to dangerous driving situations. Common issues such as blown fuses, malfunctioning brake lights, or a defective brake switch can contribute to this problem, making it essential to troubleshoot the system promptly. Additionally, if the cruise control indicator light on the dashboard is not functioning, it may signal a deeper issue, such as a problem with the clock spring. Until the underlying cause is identified and repaired, it is advisable to refrain from using the cruise control feature to avoid any risks. Prioritizing this repair not only ensures the safety of the driver and passengers but also maintains the overall functionality of the vehicle.

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.