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Cruise stops working in '19 XSE

mtaylor

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Has anyone else had problems with the cruise control not working in their 2019s? It's very intermittent for me (enough that there is a 90% chance I would get a "could not replicate" if I did the 2 hour drive to the dealership) but occasionally the radar cruise will not turn on. I mean that as in no response to the cruise button (Usually I get a dash prompt "Radar Cruise Active", not that it won't set. The few times it has happened it works fine again if I pull over and shot the car off, wait a few seconds and restart it. No trouble codes in the infotainment system or warning lights.  

Sure that it isn't "finger trouble"? I often manage to press the cruise button together with another, so it doesn't activate. Or push the cancel button together with the in- or decrease button... And there are a lot of circumstances the cruise won't activate, like in manual, terrain, mud&snow etc. mode.... And an number of special circumstances (look @ the manual for those).  

Mine looks to work perfectly as expected so far with all buttons for the past 5 months and I use it daily. I do not use adaptive though.  

Yes-,2x now It’s random. Restarting after I pulled over fixed it. Not pleasant.  

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5 Reasons Why Your Cruise Control Stopped Working

Magnus Sellén

  • Updated: March 15, 2023

Cruise Control Not Working

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

broken 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

push brake pedal

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

abs sensor close

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

cruise control buttons

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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2021 Cruise Control not working

By JDK-SL7, January 18, 2023 in Rav 4 Club

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When I push the button on my steering wheel my cruise control radar light doesn't come on. I noticed my auto full beam being weird last night too..

So I went to clean the sensor from winter grime and found it was cracked (see pics)

I presume this will require a trip to Toyota... thoughts appreciated! 

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ernieb

That’s where the radar aerial etc., is housed so yes a trip to the local dealer. Just hope that they do not suggest external damage and therefor not covered under warranty.

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Strangely Brown

17 minutes ago, ernieb said: That’s where the radar aerial etc., is housed so yes a trip to the local dealer. Just hope that they do not suggest external damage and therefor not covered under warranty.

Not sure how it would be covered under warranty. It looks like a stone impact to me.

ETA: You may be lucky but I wouldn't count on it.

That could be linked to the cruise control issue but I wouldn't have expected it to affect the auto full beam. I can't imagine the latter uses the radar sensor, only the camera at the top of the window. Cruise control uses both. So could it be something interfering with the camera (ice, snow, salt spray)?

With the radar, maybe the cracks are distorting the signal but you should be able to remove it and see if it works ok without (I think it should). Hopefully you can avoid changing the Badge , if you can put up with the cracks, because they are silly expensive for what they are.

I think the auto headlight would be the camera system. Snow will, for sure, stop the Radar function. It’s happened to me a few times after a quick stop and clean - all systems go.

PeteB

Ordinary (non radar) Cruise might work, if that's any use to you.  Press and hold the CC on/off button if you want to check.

Rav Rob

On 1/18/2023 at 2:41 PM, JDK-SL7 said: Hi all When I push the button on my steering wheel my cruise control radar light doesn't come on. I noticed my auto full beam being weird last night too.. So I went to clean the sensor from winter grime and found it was cracked (see pics) I presume this will require a trip to Toyota... thoughts appreciated!  Thanks James

Also be careful you have not accidentally caught the button and set car to trail mode, I seem to remember cruise control doesn't work in that mode as it caught me out once. I wouldn't have thought a cracked plastic Badge would affect the radar.

Sheepishly I have some good news…  

All is working fine, user error the culprit!  

I was pressing the distance to car infront button to activate it rather than the circle one on the steering wheel.  

Woops! Where’s Wally completed.

Haha

9 hours ago, JDK-SL7 said: Sheepishly I have some good news…   All is working fine, user error the culprit!   I was pressing the distance to car infront button to activate it rather than the circle one on the steering wheel.   Woops! Where’s Wally completed.

We've all done something like that before.

My auto headlights were playing up last week - turned out due to ice on the camera. Unfortunately That looks like damage - hope it isn’t too expensive…… 

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  • Camry 6th Gen - Hybrid (2007-2011)

Intermittent Cruise Control Issue

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Hi All - on a Camry Hybrid 2007 (240k miles), I have intermittent issues with my cruise control. Symptoms are as follows: Hit the button and the cruise control "on" light does not come on (intermittently). It functions for a while (could be a couple of days at a time) then stops. Sometimes, when it is on, it also stops working, so it is stuck on. When it is stuck on, you are unable to set the cruise control (seems that the stalk/switch is dead). I have replaced the stalk/switch, but to no effect. I have noticed that when it is working, if I turn my steering wheel to 90 degrees, the switch does not work, but if I turn it straight again, it starts to work. My suspicion is the airbag clockspring, but it would be great if there are any experts out there who can shed light on this. Appreciate any thoughts. Cheers Rossi  

Look for a wiring diagram.  

Appreciate the assistance. I have a wiring diagram. Nowhere does it say "look here if there is an intermittent issue with your cruise control, and here are peoples experiences" Thanks for taking the time to respond though.  

ukrkoz

Moved to proper forum for better responses. You have both EPS and CC acting up? Are you still on the original 12V battery?  

Apologies this was not in the correct place. I am on the original 12v battery (well, I don't recall ever replacing it). The 2 things do not seem to be tied together though. For example, the EPS only fails in the wet, and the CC fails any time. It can fail and repair itself in seconds, or remain failed for days (have not managed to figure out any pattern at this point). I will test the 12v battery anyway as a precaution. Appreciate the response, thank you.  

No need to apologize, it's just fine. But appreciate that. Thing about those cars is they are rather over stuffed with electronics and sensitive to 12V backup power. I do understand, that EPS is down there in elements, connectors corrode, etc. Yet, you have 2 electronic devices that act up, on same vehicle. Basically, I am hoping it's simple power issue, not an expensive replacement. If you battery says Panasonic, it's OEM one. That would prolly be a record for one to still run. Keep in mind, it's deep cycle battery, they are not tested as regular ones. Also, those cars do NOT like 12V to be simply removed, you want to have 12V back up connected. Via 12V outlet in the cabin, for example. Simple, inexpensive insurance. But I do agree that "humid only" points towards some unsealed connection somewhere.  

Great - thanks. I would have totally just disconnected the battery and shut stuff down. Makes sense that is is not necessarily a good idea. One of those things you don’t think about until someone says it (or you learn the hard way). Cheers again. I think I have a good gameplan for both issues. Sent from my iPhone using Tapatalk  

Update: it was the original battery. I switched it for an Optima. Cruise control still has same issue, and it has not been wet enough to know if steering is still messed up. At this point I am suspecting the clock spring (especially with the not working with steering wheel at 90 degrees). I am probably not going to replace it (unless I know for sure). Sent from my iPhone using Tapatalk  

Glad it worked at least partially.  

Thanks, but it has not fixed anything. I still have the exact same issues, just have a brand new battery now. Sent from my iPhone using Tapatalk  

My bad. I misinterpreted this: Update: it was the original battery.  

Ah yes - that is a little ambiguous - my bad! Sent from my iPhone using Tapatalk  

If I were you, I'd have pulled all ECU/ECM marked fuses out and re inserted them some time later. Also, Cruise fuse, if there is one. Or any ABS/ VSC etc related ones. Just to reset them all. Do NOT disconnect 12V for that purpose.  

Can't help but think that Toyota TIS has a troubleshooting guide for this. :surprise:  

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    First Name:Nigel. Toyota Model: RAV4 Plug in Dynamic. Toyota Year: 2021. Location: Flintshire. Posted January 18, 2023. That could be linked to the cruise control issue but I wouldn't have expected it to affect the auto full beam. I can't imagine the latter uses the radar sensor, only the camera at the top of the window.

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  20. Intermittent Cruise Control Issue

    Symptoms are as follows: Hit the button and the cruise control "on" light does not come on (intermittently). It functions for a while (could be a couple of days at a time) then stops. Sometimes, when it is on, it also stops working, so it is stuck on. When it is stuck on, you are unable to set the cruise control (seems that the stalk/switch is ...