Why has my cruise control stopped working?
Modern cruise control systems are a convenient feature that makes long drives more comfortable and fuel-efficient. However, when your cruise control stops working, it can be frustrating and leave you wondering what went wrong. At Kevin's Autos, with years of experience in car maintenance and repair, we’ve seen a variety of reasons why this issue occurs. In this article, we’ll explore the most common causes and what you can do to address them.
Common Reasons Your Cruise Control May Stop Working
There are several potential reasons why your cruise control system might fail. Understanding these causes can help you diagnose the issue and determine whether professional repair is necessary.
- Blown Fuse: The cruise control system relies on electrical components, and a blown fuse can disrupt its operation. Checking and replacing the fuse is often a simple fix.
- Faulty Brake Pedal Switch: The cruise control system is designed to disengage when you press the brake pedal. If the brake pedal switch is malfunctioning, it may prevent the system from activating.
- Damaged Speed Sensor: The speed sensor provides critical data to the cruise control system. If it’s damaged or not functioning properly, the system may not work.
- Vacuum Leaks (in older vehicles): In older cars with vacuum-operated cruise control systems, a vacuum leak can cause the system to fail.
- Wiring Issues: Damaged or corroded wiring can interrupt the electrical signals needed for the cruise control to function.
- Control Module Failure: The cruise control module is the brain of the system. If it fails, the entire system may stop working.
Steps to Diagnose the Problem
If your cruise control has stopped working, here are some steps you can take to diagnose the issue:
- Check the fuse box for a blown fuse and replace it if necessary.
- Inspect the brake lights. If they’re not working, the brake pedal switch may be the culprit.
- Look for any warning lights on your dashboard, such as the check engine light, which could indicate a speed sensor issue.
- For older vehicles, listen for hissing sounds under the hood, which could point to a vacuum leak.
- Examine the wiring for visible damage or corrosion.
When to Seek Professional Help
While some issues, like replacing a fuse, can be resolved at home, others require professional expertise. If you’re unable to identify the problem or if the issue involves complex components like the control module or speed sensor, it’s best to bring your vehicle to a trusted auto repair shop. At Kevin's Autos, we specialize in diagnosing and repairing cruise control systems, ensuring your car is back to optimal performance in no time.
Preventing Cruise Control Issues
Regular maintenance is key to preventing cruise control problems. Here are some tips to keep your system in good working order:
- Schedule routine inspections to catch potential issues early.
- Keep your vehicle’s electrical system in good condition.
- Address dashboard warning lights promptly to avoid further complications.
If your cruise control has stopped working and you’re unsure what to do, don’t hesitate to contact us at Kevin's Autos. With decades of experience, we’re here to help you get back on the road safely and comfortably.
Frequently Asked Questions
What causes cruise control not to engage?
If either the spiral cable, vacuum actuator, or vacuum hoses are faulty, the cruise control may stop working. If your car's cruise control has suddenly stopped working, you should avoid using it until the problem can be diagnosed and repaired. You should bring your vehicle to a certified auto mechanic.
Can a blown fuse cause cruise control to stop working?
Common causes for your vehicle's cruise control to not work include: Bad Fuse - Common cause of failed cruise control system. When the fuse of the cruise control blows, the cruise control will stop working altogether.
What is the most common failure of a cruise control system?
1. Blown Fuse. One of the most common reasons for a malfunctioning cruise control system is a blown fuse.
Why is my cruise control suddenly not working?
Brake switch is the most common issue for cruise control problems given that no electrical switch in the car likely gets as many cycles as this switch. There are usually two circuits on a brake switch and both of them need to be functioning properly for the cruise to work.
Can I fix cruise control to my car?
It can be installed by anyone who knows what is accelerator pedal, and the process is simple and straightforward. The best part? If you decide to sell your car or upgrade to a new one, you can easily remove the cruise control system and transfer it to your new vehicle.
Can you reset your cruise control?
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. To do this, turn the cruise control off by disengaging the switch in your car. Next, turn the system on again, set a speed, and reapply cruise control.
What deactivates cruise control?
The desired cruising speed is maintained by modulating the engine speed. This speed can be adjusted, or cruise control can be cancelled by pressing 'cancel' or 'off'. The system is also cancelled if the driver applies the brakes.
How do I know if my cruise control fuse is blown?
Probe the back side of each fuse. 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.
What 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.
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.
