Loading

Why is my cruise control inoperative?

If your cruise control is not functioning properly, there could be several potential reasons. The most common causes include issues with the cruise control switch, problems with the vehicle's electrical system, or a malfunctioning cruise control module. Let's explore these potential causes in more detail.


Cruise Control Switch Failure


The cruise control switch is a critical component in the cruise control system. This switch is responsible for activating and deactivating the cruise control function. If the switch is faulty or damaged, it can prevent the cruise control from working correctly. Common signs of a faulty cruise control switch include the cruise control light not illuminating when the switch is pressed, or the cruise control not engaging when the switch is activated.


Electrical System Issues


The cruise control system relies on the vehicle's electrical system to function properly. If there are any issues with the wiring, fuses, or other electrical components, it can cause the cruise control to become inoperative. Problems such as loose connections, damaged wiring, or blown fuses can all contribute to cruise control failure.


Cruise Control Module Malfunction


The cruise control module is the central computer that manages the cruise control system. If this module is malfunctioning, it can prevent the cruise control from working correctly. Symptoms of a faulty cruise control module include the cruise control light not illuminating, the cruise control not engaging, or the system disengaging unexpectedly while driving.


Troubleshooting Steps


To diagnose the issue with your cruise control, you can follow these steps:



  • Check the cruise control switch for any signs of damage or wear.

  • Inspect the electrical connections and wiring related to the cruise control system.

  • Use a diagnostic tool to check for any error codes or issues with the cruise control module.

  • If the issue persists, it may be necessary to have a professional mechanic diagnose and repair the problem.


By identifying the root cause of the issue, you can take the appropriate steps to restore the functionality of your cruise control system.

How do I reset my cruise control?


How to Reset Adaptive Cruise Control

  1. Step 1: Consult Your Vehicle's Owner's Manual.
  2. Step 2: Start Your Vehicle.
  3. Step 3: Access the ACC Menu.
  4. Step 4: Select 'Reset' or 'Default'
  5. Step 5: Press and Hold the Reset Button.
  6. Step 6: Confirm the Reset.
  7. Step 7: Monitor System Reset.
  8. Step 8: Verify ACC Reset.



Why is cruise control inoperative?


If the fuse of your cruise control is bad, the cruise control won't work. If the speed sensor or speedometer isn't working, the cruise control won't work either, since this feature is partially responsible for making the cruise control function properly.



How do I know if my cruise control fuse is blown?


There are two places on the back side of each fuse to probe; if the test light does not light on both sides of the fuse you will find that the fuse is most likely blown.



How much does it cost to fix cruise control?


The average cost for a Cruise Control Module Replacement is between $630 and $643. Labor costs are estimated between $50 and $63 while parts are typically priced around $581. This range does not include taxes and fees, and does not factor in your unique location. Related repairs may also be needed.



What are the symptoms of a blown fuse?


Common Signs of a Blown Fuse

  • Electrical Components Not Working: If your car's radio, power windows, or headlights suddenly stop functioning, a blown fuse might be the culprit.
  • Dim or Flickering Lights: Dimming or flickering lights can indicate an overloaded electrical circuit leading to a blown fuse.



What could cause the cruise control to stop working?


These issues could be something as simple as a loose wire or connector, or something more complicated like a damaged alternator, starter, or electrical short circuit. Problems with your vehicle's electrical system can be detected through a variety of warning signs.



What are the signs of a failing cruise control?


Not Maintaining Consistent Speed
When you've set the cruise control, it should always maintain the speed you've set. If you notice that your speed fluctuates after setting it, your system may be malfunctioning. To determine if you have a problem, try resetting the system.



Can a bad fuse cause cruise control not to work?


There are a number of reasons for why cruise control is no longer working as it should. One common explanation is that your vehicle has developed a bad fuse. The cruise control is locked into your car's electrical system, so if even one fuse stops working, it can prevent you from carrying out basic functions.



Can a fuse cause cruise control not to work?


Fuses and relays
The cruise control actuator circuit may be protected by fuses or relays. If these are blown or damaged, the cruise control system may not activate.



Is it expensive to fix cruise control?


The average cost for a Cruise Control Module Replacement is between $630 and $643. Labor costs are estimated between $50 and $63 while parts are typically priced around $581. This range does not include taxes and fees, and does not factor in your unique location. Related repairs may also be needed.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.