nexon cruise control not working

5 Reasons Why Your Cruise Control Stopped Working

• Updated: March 15, 2023

It would be difficult to find a vehicle on the road today without cruise control. This invaluable feature makes driving long distances easier but can also cause trouble when it malfunctions. Understanding the reasons your cruise control stopped working ensures that you can get the problem fixed quickly for a more enjoyable ride. 

While this fault can cause issues with the cruise control system itself, there could also be an effect on the acceleration of your vehicle. That’s why you want to have it looked at as soon as you notice a problem. Let’s take a quick look at the reasons your cruise control may have stopped working.

Reasons Why Your Cruise Control Stopped Working

The most common reason a cruise control stops working is due to a blown fuse or a defective brake pedal switch . It can also be caused by issues with the throttle control system or the ABS. In older cruise control systems, it can be caused by a broken vacuum line.

Here is a more detailed list of the possible reasons your cruise control is not working:

1. Blown Fuse

All electrical systems in the vehicle are controlled by fuses. Your cruise control system is attached to a fuse that can blow if there is a short circuit or fault. Without a good fuse, the cruise control system can’t work at all.

Thankfully, it’s not difficult to find and replace a blown fuse. Look in the owner’s manual to find the fuse that corresponds with the cruise control technology. 

2. Defective Brake Pedal Switch

The brake pedal switch is responsible for turning the brake lights on and off based on the pedal position. Cruise control systems are designed to disengage whenever your brake pedal gets pressed. 

Because the cruise control is wired into the brake pedal switch, any fault can cause it to stop working. When the brake pedal switch malfunctions, the car believes the brakes are engaged, causing the system to turn off automatically. Not only that, but your car’s brake light might also be stuck on, leaving confused drivers in your wake. 

3. Malfunctioning Speed Sensor

Speed sensors are located on every wheel or differential. The purpose of these sensors is to monitor the speed of the wheels to determine if traction control is needed. 

The speed sensors are also part of the cruise control system. When a sensor fails, the cruise control can stop working and the speedometer might act strange as well. 

If there is an issue with a speed sensor, it will often show with an ABS warning light or a check engine light on the dashboard.

RELATED: 3 Symptoms of a Bad ABS Wheel Speed Sensor

4. Electrical Issues

The cruise control system is electronic, with many components working together to make the system operate. If the cruise control fails to work, you want to check the wiring harness and associated connectors for a fault.

You also need to ensure that the voltage source is supplying enough power to the system. Even the smallest fault can cause defects with the cruise control. In many cases, there can be an issue with the cruise control lever or buttons causing the cruise control to not engage.

If your cruise control buttons are located on the steering wheel it could also be caused by a bad clock spring, which is located behind the steering wheel.

Check the system with an OBD2 scanner to look for any trouble codes related to the cruise control.

RELATED: 5 Symptoms of a Broken Clock Spring, Location & Replacement Cost

5. Damaged Vacuum Actuator, Hoses or Cable (Older cruise control)

If you drive an older vehicle with cruise control, you might have an issue with the vacuum actuator or the cable that connects to the throttle. If there has been damage done to the vacuum hoses or the actuator, the cruise control will stop working altogether.

Additionally, the cable linking the actuator to the throttle must be in good shape. If it has been broken, the cruise control will fail. 

What is Cruise Control?

Cruise control is a feature that is used when you are traveling at a consistent speed. Cruise control was first introduced for automobiles in the 1950s. However, it took many years before it became a staple in the modern vehicle.

This electrical system allows you to set a predetermined speed and take your foot off of the gas pedal. If you are on a long drive, there is less fatigue because you don’t have to try to maintain your speed. Cruise control can also benefit fuel economy because the vehicle uses less fuel when traveling steadily. 

In newer cars, you might be able to find adaptive cruise control , which is a smart technology. Adaptive cruise control allows you to travel at a predetermined speed, but it also helps to maintain a safe distance from the vehicles in front of you with the help of sensors. With conventional cruise control, you need to take over when the car in front of you slows down, but that’s not the case with adaptive cruise control. 

There are also vehicles nowadays with not only cruise control, but fully self-driving vehicles . We will most likely see much more of this in the future.

Cruise Control Repair Cost

The cost to repair your cruise control system depends on what caused it to fail. If you need to replace a cruise control or brake switch, you might spend between $125 and $350, including parts and labor. However, the cost to change a fuse is only a few dollars and you can perform the replacement yourself in just a matter of seconds. 

On the other hand, when something major fails, such as the actuator, you could be looking at a much higher repair bill. In some vehicles, the cost to replace a cruise control actuator can cost more than $700. These costs rise if you drive a luxury vehicle or one that is difficult to get parts for. 

It might not seem immediately important for you to fix the broken cruise control, but this defective system can affect other performance aspects. You could start to notice issues with acceleration or have trouble with the speedometer. To play it safe, it’s always best to have the cruise control repaired as soon as you notice a problem.

Is there a fuse for the cruise control?

Yes. If the cruise control is installed from the factory, you should check your car’s owner’s manual for the fuse location. If it’s an aftermarket cruise control, you’ll need to follow the wires to find the fuse.

Does the brake switch affect the cruise control system?

Yes. The brake switch affects the cruise control system. The brake switch sends a signal to the cruise control system to let it know when the brakes are being applied for the engine to know when it should stop accelerating.

Will the cruise control work if the check engine light is on?

The cruise control function will be disabled when the check engine light is on in most car models, even if the cause of the check engine light is not the cruise control itself. This is mainly due to safety reasons.

Can a vacuum leak affect cruise control?

Older vehicles use vacuum to control the throttle for the cruise control, and in this case a vacuum leak can heavily affect the cruise control. However, modern cruise controls are fully electric and in most cases will not be affected by a vacuum leak if the check engine light is not illuminated.

Although many people may think that the cruise control system is unimportant and not worth spending money to repair, the problem can be caused by a faulty part that will affect the engine’s performance or durability. Therefore, it is best not to ignore the problem if your cruise control is not working without first diagnosing the car properly.

If your cruise control still isn’t working after trying all the tips in this article, it’s probably time to take it in for a professional opinion from a mechanic. It may be a more serious problem that requires replacement parts or repairs. In the meantime, drive safe and enjoy the open road!

Learn more:

• Brake Lights Not Working But Tail Lights Are? (How to Fix)
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• Cruise Control Not Working? Check Out All The Possible Reasons!

Once restricted to only premium sedans and luxury SUVs, the feature of cruise control is now common to even compact SUVs and premium hatchbacks available in India. The cruise control comes in very handy during a long highway drive when you want to relieve your focus on accelerator and brake and maintain a constant speed at the same time. However, there can be various reasons behind the cruise control not working. Well, what can be these reasons? Read on to find it out.

The cruise control rarely stops working, but if it does, it is primarily due to malfunctioning of small components involved in it. Following are the faults which might lead to cruise control stop working:- 1. Faulty fuse  The major function of the fuse is to preserve the electrical components of the cruise control system from possible short circuit. In case the fuse of the system turns faulty, the cruise control system will not operate until it is not rectified. 2. Faulty cruise control switch  To start the operation of the cruise control, you need to press the cruise control switch, which is usually placed on the steering wheel itself. However, if the contact points in the same switch do wear out due to excessive use, the system will not turn on or will cancel the ongoing setup in case it happens while driving.

Read Also: Why Is My Check Engine Light ON? Check All Reasons Here!

3. Glowing of check engine light  The check engine light is one of the most serious warning lights present in the instrument console. And just for the matter of safety, the other electrical systems which are linked to the engine via the electronic control unit also stop working. One such system is the cruise control. 4. Faulty vehicle speed sensor  The primary use of the vehicle speed sensor is to determine the speed at which the vehicle is moving and transmit this information to the electronic control unit, and also the cruise control. If this sensor stops working, information related to speed will not be transferred and thus, the cruise control will not work.

5. Faulty brake light switch  While there is a separate cancel button for the cruise control system, usually people cancel the system through the alternate way by applying the brakes. However, the electronic control system indicates the cruise control whether the brakes are applied through the brake light switch. If this switch stops working, the brakes will continue to be applied, but neither the tail lamp nor the cruise control will work.

Read Also: Reasons For Steering Wheel Vibration - Check All Details!

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• Why is my Cruise Control not Working? [14 reasons]

14 Reasons Why your Cruise Control may NOT Be Working

The reason for your cruise control not working could be as simple as a blown fuse to really complex electrical problems. Defective switches, sensors, and even “check engine” light, all could contribute to this problem.

If you like to travel and own a car fitted with cruise control, you know how comfortable it can be to maintain a constant speed! When a cruise control system gets damaged, it is just as annoying as it is dangerous.

Cruise control is connected to several components of the car, and when it fails it can mean that something could be wrong with the CC itself. It could also be a signal that something wrong is happening with any other component of the car.

Why is my cruise control not working?

In this article, I am going to show you the main reasons why your cruise control may not be working (from the simplest to the more complex ones):

Reason #1. Bad or blown fuse

The cruise control’s circuit (like many other electronic components of your car), is protected by a fuse that will blow to protect the system from short circuits and overloads. If your vehicle’s cruise control fuse is blown, the system will stop working.

You can replace the fuse with a new one of the correct amperage, according to your vehicle’s owner manual. If the new fuse doesn’t blow again, everything will be ok; if the fuse blows again, you have to keep searching for what is making that fuse blow.

Reason #2. Burnt brake lamp

Some cruise control systems are disabled when the brake lamp is blown. Check your brake lights. If you find a burnt brake light, just replace it and test the system again.

Reason #3. Defective brake light switch

A defective pedal switch can also make your cruise control stop working. Remember that all cruise control systems are automatically disengaged as soon as the brake pedal is pressed down.

If the cruise control didn’t stop working when a fault in the brake light or brake pedal switch is detected, it could be dangerous; that’s why the CC control unit constantly monitors the status of this switch.

Reason #4. Clutch pedal switch deactivation (for manual transmission vehicles)

Cruise control is deactivated when the clutch is pressed by the driver in manual transmission cars. The CC control unit monitors this switch as it does the brake light switch.

Reason #5. The vehicle speed sensor is not working

A vehicle’s cruise control needs to be able to determine the vehicle’s actual speed. This enables the system to determine how much throttle needs to be applied in order to keep a certain speed, among other things.

The speedometer speed sensor is not always the sensor used by cruise control. Some systems rely on the ABS speed sensors, others do an average and some have a dedicated speed sensor.

If the system can’t detect the vehicle’s speed or detects a problem with the speed sensor, it will stop working.

Reason #6. Faulty throttle body or accelerator pedal

In modern engines, the throttle body is driven electronically by the engine control unit (ECU), and the accelerator pedal works like a potentiometer. The processor managing the cruise control system will act as the accelerator pedal, sending more or less voltage to the throttle body to open or close the throttle body’s butterfly valve.

If there is a problem with your vehicle’s throttle body, your cruise control won’t work.

Reason #7. Check Engine light is “ON”

If your vehicle instrument panel has the “Check Engine Light” ON and the fault stored in the ECU’s memory is related to some component vital for the cruise control system, you will not be able to use your cruise control until you have fixed that problem.

Reason #8. Faulty steering wheel’s spiral cable/clock spring

The spiral cable connects all the switches from the steering wheel (in case your steering wheel has switches) to their respective modules. This includes the connection of the driver’s airbag.

These wires (also called clock springs) are prone to get cut. A faulty spiral cable may have an open circuit making it unable to reach the vehicle’s cruise control module (CCM).

Reason #9. Bad Cruise Control Switch

Your vehicle’s cruise control switches have internal contacts that wear out. If that happens, the switches won’t be able to contact the CCM.

Depending on which buttons are faulty, your whole cruise control can stop working or just some functions won’t work.

Reason #10. Electrical problems with different modules and wiring

Modern cruise control systems use electrical and electronic components, and they are connected to other modules and systems of the vehicle. Some of these systems are the ECU, ABS, and/or Stability Control Systems like ESP.

The CCM makes a check of these systems once the key is switched to ON, and if some of these components are not working in optimal conditions, the CCM won’t engage. If none of the above items seem to be the problem, the vehicle needs to be taken to a professional who can perform a full scan of all the components, check that all the voltages, wiring harnesses, and connectors are ok.

The professional is going to detect if there are any connection problems between modules and will be able to find the reason why the cruise control is not working.

Reason #11. Dirty or faulty camera or sensor (only for vehicles fitted with adaptive cruise controls)

Newer vehicles have adaptive cruise control systems. These devices not only keep a fixed speed by the driver; they also can detect other vehicles ahead and behind and are able to keep a safe fixed distance to avoid collisions.

Some of these new systems have laser sensors while others have cameras to calculate the right distance to follow considering the vehicle’s speed and acceleration. Any problem with the sensors will prevent adaptive cruise control from working.

Problems with older cruise control systems

Before electronic injection and electronic throttle bodies, some cars had the cruise control function. In fact, the first cruise controls were introduced in the early 1950s.

These electromechanical cruise controls are pretty simple. They have a vacuum actuator connected to the throttle linkage that opens and closes the throttle to maintain the vehicle’s speed.

In early injection cars, the throttle linkage was replaced by a cable. Some common faults of these old cruise control systems are:

• A faulty vacuum actuator. Vacuum actuators have a diaphragm inside that can break. Any vacuum leak will lead to failure.
• Faulty vacuum control solenoid. It can prevent the actuator from operating normally.
• Broken throttle cable. If the throttle cable or linkage is broken, it needs to be replaced.

I hope you enjoyed my guide to cruise control problems. Even though it doesn’t explain how to fix your cruise control, it gives you an idea of where to start looking if you are going to do it yourself.

Now you will have an idea about how the system works and what are the possible reasons why it’s failing (in case you have to take your vehicle to a shop to be repaired).

Attention! This article is for informational purposes ONLY and is NOT a replacement for professional advice! ALWAYS consult your local specialist for an appropriate solution to your problem. All statements, prices, contact information, recommendations, and reviews contained herein came from sources that we believe to be reliable, but the accuracy or completeness thereof is not guaranteed. Please contact the service provider for complete details and updates.

I always Know and admit that even though I went to school for ABR grad. In 1994 3.36gpa still have go go back to school for upgrades due to vehicle advancement but I still learned alot although I am dealing with an 05 f150 stx which has more recalls then a auto parts store where the employees don’t know a inerta. Switch from an ignition switch ,thanks for the information

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Cruise Control not Working (Diagnosis and Troubleshooting)

What makes cruise control not work.

Bad brake pedal/light switch — This means communication between you, cruise control and the car is interrupted, and you can’t have immediate manual control of the car.

Bad fuse — Fuses blow to protect the electrical system. Cruise control fuses will do the same, to protect the system and circuits in your car the fuse will break and then need repairing.

Failing speed sensor — Speed sensors are important in cruise control because your car needs to remain at the same speed consistently. Broken speed sensors will affect more than cruise control and need to be serviced urgently

Bad actuator vacuum, hose, or cable –The actuator vacuum is what connects and activates the throttle control. The fault may be with the hoses in the vacuum actuator or the cable linking the system together.

Symptoms of bad cruise control switch

• Symptom 1 — brake pedal does not disengage cruise control

There’s a switch fixed to the bases of the brake pedal and if cruise control does not deactivate when braking then it’s a sign that this switch is faulty.

• Symptom 2 — Hissing noises are heard from under the dash.

The cruise control switch is a vacuum system and for some vehicles, it is mounted near the brake pedals under the dash. If you can hear hissing, it could indicate that the switch or one of the switch’s vacuum hoses is broken.

• Symptom 3 — The cruise control switch/button itself does not work

When trying to turn on the function or while cruising it turns off, this is an indicator of a faulty switch and can be related to wiring issues or the above (1-2) symptoms

• Symptom 4 — A blown fuse

A blown fuse could be a simple error and fix. The switch circuit or fuse may just need to be replaced for the problem to resolve.

Possible Cruise control failure Scenarios

1. Cruise control not working after battery change

• Possible cause — This differs from vehicle to vehicle and among brands. Some drivers’ cruise control malfunctions after jump-starting their battery, and this is because the battery is still discharged. Newer cars have many electronic systems, and most are powered by the battery. So, if the battery is discharged or low-powered, the electrical cruise control system can be affected.
• Solution — Putting your battery on a trickle charger (2-5 amp) for 12 hours or driving on cruise for a couple of hours may resolve this issue.

2. Cruise control turns off while driving

• Possible cause — Damaged speed sensor or actuator, these two could be internally malfunctioning and causing the cruise control to disengage without input from you.
• Solution — Have a technician or mechanic run a diagnostic with the speed sensor and check the actuator hoses and cables.

3. Cruise control works intermittently

• Possible cause — this may relate to the brake pedal switch. If cruise control is intermittently disengaging, it could be a wiring issue with the switch.
• Solution — Have the brake pedal to cruise control switch investigated by a mechanic or technician and determine if there is a faulty wire to blame. You may need to have the switch or some of its parts replaced.

4. Cruise control turns on but will not set

• Possible cause — The brake pedal switch may be the issue. The brake pedal deactivates cruise control and if it is stuck in the open position, it may cause the cruise control to not engage or set properly.
• Solution — Ask your mechanic or technician to check for this issue specifically in their diagnostic and service.

5. Cruise control turns on by itself

• Possible cause — There may be a failure with the Electronic Control Module (ECM) which manages the actuators or Electronic Control Unit (ECU) which controls the speed in your cruise control
• Solution — You could attempt to reprogram the ECU and ECM if you have the computer tools, otherwise take it into a trusted mechanic or technician.

There are many helpful forums run by mechanics and amateurs:  These are always great for solving those specific problems you might experience.

When CC does not set: https://mechanics.stackexchange.com/questions/34795/cruise-control-will-not-turn-on-cannot-be-enabled-nor-set

When CC is faulty after battery change: https://www.vwvortex.com/threads/help-cruise-control-not-working-after-dead-battery.4464553/

For cruise control and other general repairs, watch this channel: https://www.youtube.com/channel/UCf2f4MeZzSksVMe1z3Lp3hw

Can cruise control cause check engine light?

When the check engine light or MIL (Malfunction Indicator Light) is on, the cruise control light may blink to signal that cruise control has been disabled. This is a safety control as the vehicle is programmed to not go on ‘autopilot’ should the engine or mechanical issue relate to the cruise control systems. If the error or fault is with the cruise control systems, then the MIL may be lit for that as well.

How much does it cost to fix cruise control malfunctions?

• For switch repair (parts and labour) it’s estimated at $125- $350
• For fuse repairs, it could be up to $10 to buy the fuse and replace it yourself in a few minutes — there are many helpful YouTube tutorials on simple car repairs like this one.
• For actuator repairs, some cost more than $700
• Therefore, it’s important to know WHAT the issue is to get an idea of HOW MUCH it will cost you.

Does cruise control malfunction trigger the check engine light?

The function of a check engine light or MIL (Malfunction Indicator Light) is to communicate engine or mechanical failures in your vehicle to prevent an accident on the road. The MIL can be lit for simple reasons like the gas cap is loose. Should your CC system fail or run incorrectly, the MIL could light up. Often when there are other failures or engine faults, the MIL will light and the cruise control with a flicker to signal it has been disabled for safety reasons. Once the cruise control or other issues are fixed, all the lights should go back to being turned off.

Author: Dave Johnston

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Cruise Control Not Working? 9 Potential Causes

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Cruise control reduces stress and fatigue on long drives, but if the system isn't working properly, it can become dangerous. If your vehicle's cruise control isn't working, one of the following nine issues may be the root cause.

How Cruise Control Works

Cruise control is a system to maintain vehicle speed without direct driver input. When you want to engage cruise control, you first turn the system “On” with a button or switch. However, this alone does not start the cruise control. When you “Set” cruising speed, the cruise control module (CCM) records the current speed, then takes control of the throttle body to maintain vehicle speed. When vehicle speed increases or decreases (due to wind or hills, for example), the CCM decreases or increases throttle body opening accordingly.

By modulating engine speed, the CCM can maintain your desired cruising speed on the highway. You can increase or decrease cruise speed by tapping a button or lever, and you can cancel cruise control by hitting the “Cancel” or “Off” buttons or stepping on the brake.

Throttle body control has changed over the years. Early systems used a vacuum motor and cable, but these eventually changed over to electric motors. Most recently, with the development of drive-by-wire or electronic throttle control systems (ETCS), cruise control is built into the engine control module (ECM), which controls the throttle body electronically.

Basic cruise control systems still require the driver to pay attention to changing road and traffic conditions. Adaptive cruise control systems, sometimes called "smart" cruise, use radar or laser detection to maintain safe distances from vehicles ahead. Some adaptive cruise control systems merely reduce engine speed to maintain distance, but some of the newest adaptive cruise control systems can also engage the brakes to slow or stop the vehicle. Still, even with adaptive cruise control, it's important that drivers never take their eyes off the road.

Why Is My Cruise Control Not Working?

There are a few basic ways that cruise control can fail, depending on how the system is designed. You may not be able to do much about ETCS cruise control systems, but there are a few things you can check:

Brake Light Switch – As cruise control is automatically cancelled by depressing the brake, some vehicles may disengage cruise control if it cannot detect the brake light switch.

Brake Lights – In some systems, cruise control is disabled when a brake light is blown. Aftermarket lighting, such as LED brake light conversion, might trick the CCM into thinking a brake light is blown, as LED bulbs draw less current than incandescent bulbs.

Fuses and Relays – On some vehicles, fuses and relays are used to protect the cruise control actuator circuit . If the fuse is blown or the relay is faulty, the system won’t work.

Spiral Cable – Many vehicles mount the cruise control switch on the steering wheel. A faulty spiral cable may have an open circuit, preventing the switch from contacting the CCM.

Control Switch – If the internal contacts wear out, the cruise control switch may not be able to contact the CCM. This might disable cruise control completely, or it might not react to the cancel or accelerate functions.

Check Engine Light – On some modern vehicles, particularly those equipped with ETCS, cruise control may be disabled if there is an engine or transmission problem .

Vacuum Leak – Some older vehicles used vacuum actuators to control the throttle body during cruise control operation. If there is a leak, such as a cracked hose or tube, the system won’t work. A vacuum leak might cause the engine to idler higher or set a fuel trim code.

Vehicle Speed Sensor – There are usually multiple vehicle speed sensors (VSS) on any given vehicle. The CCM might use a VSS feed from the ECM, instrument cluster, or transmission. If that signal is lost, the CCM can’t detect vehicle speed, disabling cruise control.

Electrical Problems – As most cruise control systems use electrical or electronic components, any diagnosis should include a thorough check of source voltage, wiring harnesses, and connectors. Anything loose or broken could disable the system entirely.

If your cruise control isn’t working properly, avoid using it until it is repaired. A faulty cruise control system may not cancel on demand, which will create a safety hazard for you and those around you. After assessing your cruise control yourself, take your vehicle to a trusted mechanic for a check or a couple diagnosis and repair.

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Why Is My Cruise Control Not Working? 6 Common Reasons

By: Author Zach Reed

When your cruise control stops working, it can be quite an inconvenience. In this expert guide, we’ll talk about the most common reasons it can fail.

If you’re old enough, you can probably remember driving on road trips , or even just on your daily commute to work, before cruise control was a thing. It can be downright exhausting.

Unfortunately, even modern-day cars can have a failing cruise control system and it can seem like you’ve been thrown back into the stone ages.

Okay, that might be a bit dramatic, but it really can be annoying when cruise control stops working. But why does that happen?

The most common reasons that your cruise control might stop working include a bad cruise control switch, a blown fuse or relay, problems with the engine or transmission, a faulty vehicle speed sensor, a bad brake pedal switch, or a broken cruise control cable.

If your car’s cruise control isn’t working, it can be a major pain.

What do you do if your cruise control stops working? Here are some of the most common reasons why it might not be working, and how to fix it!

To fully understand why cruise control stops working on a car, we researched the most common reasons so that you know exactly what’s wrong with it.

Since we’ve already done the research for you, all you need to do is run through the list of common reasons below and you’ll be able to get your cruise control figured out in no time.

How Does Cruise Control Work?

Before we get into the reasons that cruise control might not be working in your car, it’s important that we first explain how the cruise control system works in the first place.

By understanding how cruise control works and what components are involved, you’ll have a much better understanding of why the issues below can prevent cruise control from working.

So, how does cruise control work?

The cruise control system in your car is made up of a few different parts. There’s a cruise control switch, which is usually located on the steering wheel, that turns the system on and off.

There are also fuses and relays that power the system, and a speed sensor that tells the system how fast the car is going. These sensors report back to the cruise control module, which controls a cruise control servo.

This servo is what actually controls the throttle of your car , and it’s what tells the car to speed up or slow down to maintain the cruise control speed.

Finally, there’s a brake pedal switch that tells the system when you’re braking and a cruise control cable that connects the accelerator pedal to the cruise control system.

All of these parts and pieces work together to enable your car to maintain a set speed without you having to constantly adjust the accelerator.

Now that we know how the cruise control system works, let’s take a look at some of the most common reasons why it might not be working in your car.

Most Common Reasons That Cruise Control Isn’t Working

1. bad cruise control switch.

One of the first things to check if your cruise control isn’t working is the switch. This is usually located on the steering wheel or stalk. If it’s a bad switch, then it might need to be replaced.

This is usually pretty easy to check because you can just try to turn the system on and see if it engages.

In most cars, a light will illuminate somewhere on your dash (or on the button itself) once you press the switch to turn on cruise control.

So if you hit the button or switch but you don’t see a light illuminate anywhere, it could be an indication that the button or switch itself is bad. But that’s not the only reason you might not see the light turn on.

2. Blown Fuse or Relay

Another pretty common reason that cruise control might not be working is because of a blown fuse or relay.

These are usually located in the fuse box under the hood. If you think this might be the case, then you can just check the fuse box to see if there’s a blown fuse or relay.

If you don’t see a blown fuse or relay, it could still be the problem. Sometimes the fuse or relay might not look blown but could still be bad.

In this case, you might need to use a multimeter to test the fuse or relay to see if it’s still good. Typically, a relay will audibly “click” when it’s activated, so if you don’t hear the clicking noise, the cruise control relay might be bad.

3. Engine or Transmission Problems (Check Engine Light)

If the cruise control system is engaged but the car doesn’t seem to be responding, it could be because of engine or transmission problems.

These types of problems can be pretty serious, so it’s definitely something you’ll want to get checked out by an experienced mechanic or technician. Often, this will be accompanied by your check engine light turning on.

Furthermore, sometimes the cruise control system won’t even engage if there are overarching issues with the engine or transmission that would prevent it from working.

This is more commonly seen in newer cars where the electronics and computer system are so advanced and integrated that it will prevent you from using cruise until you fix the underlying issues.

4. Faulty Vehicle Speed Sensor

One of the most common reasons that cruise control might not be working is because of a faulty vehicle speed sensor. This is the sensor that tells the cruise control system how fast you’re going.

If it’s not working correctly, then the cruise control system won’t be able to maintain the correct speed.

In most cases, a faulty speed sensor will need to be replaced. However, sometimes you can clean the sensor and fix the problem. This is usually pretty easy to do and you can find instructions online or in your car’s owner’s manual.

You usually have to jack your car up and remove the wheel to get to the sensor, so make sure you’re being careful and following the owner’s manual!

5. Bad Brake Pedal Switch

Another common reason for cruise control not working is a bad brake pedal switch. This switch is located on the brake pedal itself and tells the cruise control system when you’re pressing the brakes.

If it’s not working correctly, then the cruise control system won’t know when you’re trying to stop and it could cause some serious accidents .

In most cases, you’ll need to replace the switch if it’s not working correctly. However, if you’re lucky, you might be able to clean it and get it working again.

Sometimes it can even just come unplugged and all you need to do is plug it back in. Either way, this is a pretty easy fix that you should be able to do on your own.

6. Broken Cruise Control Cable

Last up on our list of the most common reasons cruise control might not be working is a broken cruise control cable. This is the cable that runs from the cruise control module to the throttle body.

If it’s broken, then the cruise control system won’t be able to tell how much gas to give the engine and it won’t work correctly.

The vast majority of the time, you need to replace the cruise control cable if it’s broken. However, sometimes it might have just come loose or come off the track at the throttle body and you just need to reattach it correctly.

This cable has to have the correct amount of tension in order to operate properly, so you might want to leave this one up to the professionals if you aren’t confident about it!

How Hard is it to Fix Cruise Control on Your Car?

Now that you know why your cruise control might not be working, you’re probably wondering if it’s something you can handle on your own. That really depends on what the problem is.

As you can see from the list above, some of the issues are pretty easy to fix, like a blown fuse or bad brake pedal switch, while others are pretty difficult, like engine or transmission problems.

If you’re having trouble with your cruise control, the best thing to do is take it to a qualified mechanic or technician and have them diagnose the problem.

They’ll be able to tell you exactly what’s wrong and how difficult (and expensive) it will be to fix. Most of the issues with cruise control are fairly simple and inexpensive, and the convenience of the feature usually makes the repair worth it!

Conclusion on Common Issues For Cruise Control

There are a few different reasons why cruise control might not be working in your car anymore, including a broken switch, a blown fuse or relay, or faulty speed sensors.

Whatever the problem may be, figuring it out is the first step so you can go back to cruising on the roads without a problem.

We hope this article helped shed some light on why cruise control might not be working in your car.

Be sure to take it to a professional if you’re having any trouble so they can help you get back on the road safely!

Hi, I'm the founder of VehicleAnswers.com! Having owned a wide variety of vehicles in my life, I was astounded at how hard it can be to find answers to common automotive questions. Rather than sit idly, I decided to create this website to help others!

Cruise Control Not Working? Troubleshoot It Now!

Are you experiencing issues with your cruise control? Don’t worry, we’ve got you covered! Cruise control is a convenient feature that allows you to maintain a constant speed without using the accelerator pedal. However, when it stops working, it can be frustrating and potentially dangerous. In this article, we’ll help you troubleshoot common cruise control problems and provide you with diagnostic tips to get you back on the road in no time.

Key Takeaways

• Understanding how cruise control works is crucial for troubleshooting.
• Common reasons for cruise control failure include faulty brake light switches, worn-out cruise control switches, and electrical problems .
• Ford vehicles may have specific cruise control issues, such as burned-out brake lights or faulty control switches .
• Troubleshooting tips include inspecting the brake light switch, checking for vacuum leaks, and diagnosing electrical problems .
• Fixing cruise control problems may involve replacing faulty components or seeking professional assistance.

How Does Cruise Control Work?

Cruise control systems work by utilizing a combination of components to maintain a set speed in your vehicle. Understanding how cruise control systems function is crucial for diagnosing and troubleshooting any potential issues.

When you activate the cruise control system by pressing the ‘on’ button, it enters into a standby mode, awaiting your instructions to set the desired cruising speed. Once you have reached the desired speed, you can set it by using the control buttons typically located on the steering wheel or stalk.

Now, let’s delve into the inner workings of a cruise control system. Once the cruising speed is set, the cruise control module takes control of the throttle body , which regulates the amount of air entering the engine. By adjusting the throttle body opening, the system maintains the desired speed, compensating for changes in incline and external factors.

During operation, various sensors constantly monitor the vehicle’s speed, throttle position, and other relevant parameters. These sensors provide continuous inputs to the cruise control module, which in turn adjusts the throttle body opening accordingly to maintain the desired speed.

If you need to cancel the cruise control function, you can do so by pressing the ‘cancel’ or ‘off’ button or applying the brakes. These actions deactivate the cruise control module, allowing you to regain control of the throttle and return to normal driving mode.

It’s important to note that cruise control systems are not fully autonomous. They assist the driver in maintaining a constant speed but still require attentive driving and awareness of the road conditions. Cruise control should never be used as a substitute for actively monitoring the road ahead and reacting to unexpected situations.

Now that we have a basic understanding of how cruise control works, let’s explore some common reasons for cruise control failure and learn how to troubleshoot these issues.

Common Reasons for Cruise Control Failure

If your cruise control is not functioning properly, there could be various reasons behind its failure. Understanding these common issues will help you troubleshoot and resolve the problem.

1. Faulty Brake Light Switch

A faulty brake light switch is a common culprit for cruise control failure. When the brake light switch is malfunctioning, it can prevent the cruise control system from engaging or disengaging correctly.

2. Worn-Out Cruise Control Switch Function

Over time, the cruise control switch function can wear out, resulting in the inability to set or maintain the desired cruising speed.

3. Brake Light Issues

Brake light issues , such as a burned-out bulb or wiring problems, can interfere with the proper functioning of the cruise control system.

4. Spiral Cable Fault

A faulty spiral cable, which is responsible for transmitting electrical signals between the steering wheel and the rest of the vehicle, can cause cruise control failure.

5. Check Engine Light

If the check engine light is illuminated, it may indicate underlying issues with the vehicle’s engine or emissions control system, which can affect the cruise control functionality.

6. Blown Fuses and Damaged Relays

Blown fuses or damaged relays in the cruise control circuit can disrupt the flow of electrical power, leading to cruise control failure.

7. Vacuum Leak

A vacuum leak in the engine can cause a loss of vacuum pressure, affecting the cruise control system’s ability to maintain the set speed.

8. Vehicle Speed Sensor Fault

A malfunctioning vehicle speed sensor can prevent the accurate transmission of speed information to the cruise control module, resulting in functionality issues.

9. ABS Sensor Faults

Issues with the anti-lock braking system (ABS) sensors can affect the cruise control system, as these sensors provide essential data for maintaining speed and stability.

10. Electrical Problems

Electrical problems , such as wiring issues, faulty connectors, or a malfunctioning cruise control module, can disrupt the proper functioning of the cruise control system.

Identifying and addressing these common reasons for cruise control failure can help you troubleshoot and resolve any issues you may be experiencing. By addressing these problems, you can ensure the smooth operation of your cruise control system and enjoy a comfortable driving experience.

Ford Cruise Control Not Working?

If you own a Ford vehicle and are experiencing issues with your cruise control, you’re not alone. Ford cruise control can sometimes fail to work altogether or operate intermittently. To help you troubleshoot and resolve these problems, we’ve identified some common issues that may be affecting your Ford’s cruise control system.

Common Issues with Ford Cruise Control

There are several common issues that can cause Ford cruise control to malfunction. These include:

• Burned out brake lights
• Blown fuses
• Broken brake light switch
• Faulty shifter actuator
• Faulty control switches

Addressing these issues is essential to ensure the proper functioning of your Ford’s cruise control system. Let’s take a closer look at each problem and how it can affect your cruise control’s operation.

To diagnose and resolve these issues, refer to your Ford vehicle’s manual or consult a trusted mechanic for proper guidance and repair.

By addressing these common issues, you can potentially restore the functionality of your Ford’s cruise control system and enjoy a comfortable and convenient driving experience.

Troubleshooting Tips for Cruise Control Issues

If your cruise control is not working properly, follow these troubleshooting tips to diagnose and resolve the problem. By going through each step, you can identify the underlying cause and take appropriate action.

1. Check the Brake Light Switch

Start by inspecting the brake light switch, as a malfunctioning switch can affect cruise control functionality. Ensure that the switch is properly connected and functioning correctly. If necessary, replace the switch.

2. Inspect the Cruise Control Switch Function

Verify that the cruise control switch is functioning as intended. Press all buttons and check for any signs of wear or damage. If the switch is faulty, consider replacing it with a new one.

3. Ensure Proper Brake Light Function

Make sure the brake lights are working correctly. Faulty brake lights can interfere with the cruise control system. Test the lights by pressing the brake pedal while observing if they illuminate.

4. Check the Spiral Cable

Inspect the spiral cable, also known as the clock spring , for any signs of damage or wear. The spiral cable connects the steering wheel-mounted controls, including the cruise control buttons, to the vehicle’s electrical system. Replace the spiral cable if necessary.

5. Address Check Engine Light Issues

If the check engine light is illuminated, it may indicate an underlying problem that affects the cruise control system. Use an OBD-II scanner to retrieve any stored error codes and diagnose the issue accordingly.

6. Inspect Fuses and Relays

Check the fuses and relays related to the cruise control system. A blown fuse or damaged relay can prevent the cruise control from engaging. Replace any faulty components as needed.

7. Look for Vacuum Leaks

Inspect the vacuum hoses connected to the cruise control system for any leaks or damage. Ensure proper connections and replace any damaged hoses. Vacuum leaks can interfere with the system’s functionality.

8. Inspect the Vehicle Speed Sensor

Check the vehicle speed sensor for any faults. A malfunctioning speed sensor can prevent the cruise control from maintaining the desired speed. Consider replacing the sensor if necessary.

9. Address ABS Sensor Faults

ABS sensor faults can also impact the cruise control system. Inspect the ABS sensors and wiring for any damage or connectivity issues. Repair or replace any faulty components.

10. Diagnose Electrical Problems

If none of the above steps resolve the issue, it’s essential to diagnose any underlying electrical problems. This may require professional assistance to accurately identify and repair the problem.

By following these troubleshooting tips, you can effectively diagnose and resolve cruise control issues. Remember to prioritize safety and consult a professional if needed.

Tips for Fixing Cruise Control Problems

Once you have identified the cause of the cruise control problem, you can take steps to fix it. Depending on the issue, this may involve:

• Replacing the brake light switch: A malfunctioning brake light switch can prevent the cruise control system from engaging. Replace the switch if necessary.
• Repairing the cruise control switch function: If the cruise control switch is worn out or not functioning properly, it may need to be repaired or replaced.
• Addressing brake light issues: Ensure that the brake lights are working correctly, as cruise control systems often rely on the brake light circuit to engage and disengage.
• Replacing the spiral cable: A faulty spiral cable can cause cruise control issues. If diagnosed as the problem, it should be replaced.
• Resolving check engine light problems: If the check engine light is illuminated, it may indicate an issue that needs to be addressed to restore proper cruise control operation.
• Replacing blown fuses or damaged relays: Check the fuses and relays related to the cruise control system and replace any that are blown or damaged.
• Fixing vacuum leaks: Vacuum leaks can affect the performance of the cruise control system. Identify and repair any leaks found.
• Replacing the vehicle speed sensor: A faulty vehicle speed sensor can prevent the cruise control system from maintaining the desired speed. Replace the sensor if needed.
• Addressing ABS sensor faults: ABS sensor faults can interfere with the cruise control system’s functionality. Troubleshoot and replace any faulty ABS sensors.
• Resolving electrical problems: Cruise control issues can be caused by various electrical problems. Diagnose and fix any electrical faults affecting the system.

It’s crucial to follow proper repair procedures when fixing cruise control problems. If you’re unsure or uncomfortable with these repairs, it’s always advisable to consult a professional automotive technician for assistance.

Paying Attention on the Road

While utilizing cruise control can enhance comfort and reduce stress on long journeys, it’s important to recognize that it is not a fully autonomous driving system. Therefore, it is imperative to maintain vigilance and remain attentive to other road users in order to prevent potential collisions. Cruise control should be regarded as an aid to driving, rather than a complete substitute for active engagement with the road.

Importance of Vigilance

When utilizing cruise control, drivers must remember that it is their responsibility to actively monitor the road conditions and adjust their driving accordingly. While the cruise control system assists in maintaining a constant speed, it does not account for prevailing traffic conditions, road hazards, or unexpected situations that may require immediate driver intervention. By remaining attentive, drivers can effectively respond to unpredictable events, ensuring the safety of themselves and others on the road.

Understanding Cruise Control as an Aid

Cruise control should be viewed as a valuable tool that can enhance driving comfort and alleviate fatigue during long trips. By allowing drivers to maintain a steady speed without continuous foot pedal operation, it can provide relief on monotonous stretches of road. However, it is crucial to remember that cruise control does not relieve the driver of their obligation to actively control the vehicle. It is always necessary to stay focused, maintain situational awareness, and be prepared to take immediate action if required.

Avoiding Complacency

One potential danger of using cruise control is the potential for complacency. Drivers may become overly reliant on the system and mentally disengage from the driving task. To combat this, it is important to stay mentally alert and focused on the road, even when cruise control is active. Regularly scanning the surroundings, checking mirrors, and monitoring traffic conditions are essential habits to maintain, promoting a safe and secure driving experience.

The Role of Driver Responsibility

Drivers must recognize that the safe operation of their vehicle is ultimately their responsibility. While cruise control can assist in maintaining a constant speed, it is the driver’s duty to actively observe and respond to changing road conditions, traffic situations, and unexpected events. Staying engaged, alert, and involved in the driving process is essential to ensuring a safe and enjoyable journey.

By prioritizing attention and active engagement while using cruise control, drivers can maximize the benefits of this feature while ensuring the safety and well-being of everyone on the road.

Electronic Throttle Control Systems (ETCS)

Some vehicles are equipped with electronic throttle control systems, also known as drive-by-wire systems . These advanced systems integrate the cruise control functionality with the engine control module, providing a seamless and efficient driving experience.

ETCS allows for the integration of cruise control with the throttle control, enabling precise control of the engine speed for maintaining a constant velocity. By electronically regulating the throttle opening, ETCS ensures smooth acceleration and deceleration, enhancing driver comfort and fuel efficiency.

ETCS systems utilize sensors and actuators to translate driver inputs into electronic signals, eliminating the need for a physical connection between the accelerator pedal and the throttle body. This drive-by-wire technology provides improved response and reliability.

However, like any complex system, ETCS can experience failures and malfunctions. These system failures may require the expertise of a trained mechanic for diagnosis and repair to ensure the safe and proper functioning of the cruise control integration with electronic throttle control systems .

It’s essential to address any ETCS system failures promptly to prevent disruptions in cruise control functionality and maintain optimal driving performance.

To illustrate the integration of cruise control with electronic throttle control systems, refer to the following table:

By understanding the integration of cruise control with electronic throttle control systems, drivers can appreciate the advanced technologies behind their vehicles and better address any potential ETCS system failures that may arise.

Common Misconceptions and Solutions

When it comes to cruise control, there are several common misconceptions that can lead to frustration and misunderstandings. It’s important to debunk these misconceptions and provide solutions to common cruise control problems.

One misconception is that cruise control can operate in all driving conditions. While cruise control is a convenient feature, it may not be suitable for certain situations such as heavy traffic, slippery road conditions, or hilly terrains. It’s important to use cruise control responsibly and be aware of the limitations.

Another misconception is that cruise control is immune to various vehicle issues. In reality, cruise control can be affected by problems such as a faulty brake light switch, worn-out cruise control switch function, vacuum leaks, or electrical problems. To address these issues, it’s essential to follow the troubleshooting tips and solutions provided in this article.

By understanding the misconceptions surrounding cruise control and utilizing the solutions provided, you can effectively troubleshoot and resolve common cruise control problems. Take control of your cruise control system and enjoy a smooth and reliable driving experience.

Consult a Professional

If you are facing issues with your cruise control and are unsure about how to diagnose or fix them, it is always recommended to consult a professional. Seeking the expertise of a trusted mechanic or automotive technician can provide you with the necessary guidance and assistance to ensure the safe and proper functioning of your vehicle’s cruise control system.

Fixing cruise control problems can sometimes be complex, requiring specialized knowledge and tools. A professional can accurately diagnose the issue and recommend the appropriate solutions, saving you time, effort, and potential frustration.

By consulting a professional, you can have peace of mind knowing that your cruise control system is being handled by someone with the expertise and experience to effectively address the problem. They can evaluate the various components of the system, such as the brake light switch, control switches, and engine control module, to determine the root cause of the issue and provide a reliable solution.

Remember, the safety of your vehicle and passengers should always be a top priority. A professional’s thorough knowledge and understanding of cruise control systems make them the best resource when it comes to troubleshooting and resolving any issues that arise.

Whether it’s seeking expert advice or entrusting the repair process to a qualified technician, consulting a professional ensures that your cruise control system receives the attention it deserves, allowing you to operate your vehicle with confidence and peace of mind.

Troubleshooting cruise control problems can sometimes be challenging, but with the help of this comprehensive guide, you can effectively diagnose and fix issues with your cruise control system. By following the troubleshooting tips and solutions provided, you’ll be able to overcome common obstacles and restore the proper functioning of your cruise control.

Remember, safety should always be your top priority. If you’re unsure about any step of the troubleshooting process or if the problem persists, it’s crucial to consult a professional mechanic or automotive technician. They have the expertise and knowledge to provide accurate diagnosis and repair services, ensuring the safe and reliable operation of your cruise control system.

With proper attention and maintenance, your cruise control system can continue to provide a convenient and reliable driving experience. By staying informed and proactive, you can quickly identify and resolve cruise control problems, saving time and money in the long run. So don’t let cruise control troubles slow you down – empower yourself with the right knowledge and keep cruising smoothly on the open road!

How does cruise control work?

Cruise control works by maintaining a selected constant speed without needing to use the accelerator pedal. Once the cruising speed is set, the cruise control module takes over the throttle body to maintain the speed of the car. Adjustments are made to the throttle body opening to maintain the desired cruising speed.

What are some common reasons for cruise control failure?

Common reasons for cruise control failure include a faulty brake light switch, worn-out cruise control switch function, brake light issues , spiral cable fault , check engine light, blown fuses or damaged relays, vacuum leaks, vehicle speed sensor fault , ABS sensor faults , and electrical problems.

What are some common issues with Ford cruise control?

Common issues with Ford cruise control include burned out brake lights , blown fuses, broken brake light switch , faulty shifter actuator , and faulty control switches.

What are some troubleshooting tips for cruise control issues?

To troubleshoot cruise control issues, you can check the brake light switch, inspect the cruise control switch function, ensure the brake lights are functioning correctly, check the spiral cable, address any check engine light issues, inspect fuses and relays , check for vacuum leaks, inspect the vehicle speed sensor, address ABS sensor faults, and diagnose any electrical problems.

How can I fix cruise control problems?

Fixing cruise control problems may involve replacing the brake light switch, repairing the cruise control switch function, addressing brake light issues , replacing the spiral cable, resolving check engine light problems, replacing blown fuses or damaged relays, fixing vacuum leaks, replacing the vehicle speed sensor, addressing ABS sensor faults, or resolving electrical problems.

Is cruise control a fully autonomous driving system?

No, cruise control is not a fully autonomous driving system. It should be considered an aid to driving and not a substitute for active engagement with the road. It’s important to remain vigilant and pay attention to other road users to avoid collisions.

What are electronic throttle control systems (ETCS)?

Electronic throttle control systems, also known as drive-by-wire systems , are systems where the cruise control is integrated with the engine control module. ETCS system failures may require the attention of a trained mechanic for diagnosis and repair.

What are some common misconceptions about cruise control?

Common misconceptions about cruise control include its ability to operate in all driving conditions and its immunity to various vehicle issues. It’s important to understand that cruise control has limitations and can be affected by different factors.

Should I consult a professional for cruise control issues?

If you are unsure about how to diagnose or fix cruise control problems, it is always recommended to consult a professional. A trusted mechanic or automotive technician can provide expert advice and assistance to ensure the safe and proper functioning of your vehicle’s cruise control system.

How can I troubleshoot and fix cruise control problems?

By following the diagnostic tips and solutions provided in this article, you can effectively troubleshoot and resolve cruise control problems. It’s important to prioritize safety and consult a professional if needed.

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