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Availability:
In Stock.
Arrives
Monday, Nov 2
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At a glance
- Condition
- New
- Size
- 9 x 9 x 3 in
- Weight
- 8.8 oz
- Exterior
- BLACK PLASTIC
- Special Features
- Portable
Features 5
- PORTABLE Echo installs between compatible vehicle and trailer 7-way RV blade connectors and easily transfers between vehicles without under-dash wiring. The vehicle 7-way must provide active +12V power, ground and turn-signal circuits; a vehicle brake-output circuit is not required. Echo uses the 7-way +12V connection to power the trailer brakes, and this circuit should be fused at 30 amps. Some vehicles require tow/haul mode or trailer load detection before 7-way power activates.
- SMARTPHONE-READY Use the OneControl Auto app on iOS 14+ or Android 9+. Enable Bluetooth and location permissions, then pair Echo inside the OneControl Auto app, not through your phone's Bluetooth settings. Keep the app in the foreground for prompt manual-override response and only adjust settings while stationary. OneControl Auto 2.2.0 adds improved larger-font support, fixes an Echo-screen crash on smaller Android devices and includes additional bug fixes.
- ZERO-TOOL INSTALL When your vehicle's 7-way already provides the required power and ground, Echo installs without under-dash wiring or tools. The safety strap is stored inside the Echo cap and should be installed before use. With the vehicle running or ignition ON and in Park, plug Echo into the vehicle 7-way first, pair through OneControl Auto, then connect the trailer on a level surface. Flashing yellow indicates 5-8 second calibration; solid green indicates Echo is paired with the trailer connected.
- HIGHLY RESPONSIVE Echo uses a triple-axis accelerometer for proportional trailer braking and supports trailers with 1-2 axles / 2-4 brakes. Adjust maximum output and sensitivity for your trailer and load. If Bluetooth communication is lost, the brake controller continues operating at the most recently programmed settings; app-based control and controller notifications require app communication. Always test trailer lights and braking before driving.
- VERSATILE Compatible with cruise control, ABS and low-voltage/PWM systems. An existing factory or aftermarket brake controller will not function while Echo is installed. When vehicle hazard lights are active, use the app's Hazard Lights setting to prevent pulsing trailer-brake output. Echo is designed for Bluetooth communication up to 50 ft unobstructed, though actual range can be limited by the phone, vehicle construction and other obstructions.
Description
The CURT Echo mobile trailer brake controller is a Bluetooth enabled device that wirelessly connects to your smartphone and allows you to control and monitor all trailer brake activity right from your device. It features a simple, plug-and-play installation, a portable design to easily switch between vehicles and a highly durable construction to outlast the elements. The Echo brake controller brings your towing experience into the modern age. Powered by Bluetooth, it wirelessly connects to your smartphone without any extra wiring harnesses or modules required. Simply download the Smart Control app on your Apple iOS or Android OS device, plug the Echo into your vehicle and you're ready to start towing. The app allows you to create multiple vehicle-trailer profiles for different towing situations. Installing the Echo trailer brake controller is truly a plug-and-play experience. It is designed to insert in between the vehicle-trailer wiring connection and is compatible with any industry-standard 7-way RV blade plug. This design also allows the Echo to be easily transferred between vehicles, making it perfect for fleet vehicles or multiple-vehicle owners. The Echo mobile trailer brake controller is built to withstand the outdoor elements, whether you're towing through rain, snow or sunshine. It features a potted enclosure. This means the interior of the Echo is filled with an epoxy resin that covers the internal electronics and seals them off from dirt and moisture. This promotes long-lasting durability and also helps reduce vibration. To further enhance the connection, the connector port of the Echo is equipped with a retention strap and locking tab to firmly seat in the 7-way vehicle socket. The CURT Echo mobile brake controller operates with a tri-axis circuit for smooth stops going up or down a hill, and it is able to operate up to two to four trailer brakes at a time (one to two axles). It is also compatible with cruise control and ABS brakes.
Specs 10
| Manufacturer | CURT |
|---|---|
| Brand | CURT |
| Model | Echo Brake Control |
| Item Weight | 8.8 ounces |
| Product Dimensions | 6.63 x 1.63 x 2.88 inches |
| Item model number | 51180 |
| Exterior | BLACK PLASTIC |
| Manufacturer Part Number | 51180 |
| OEM Part Number | 51180 |
| Special Features | Portable |
No specs match.
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Monday, Nov 2
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
It works great - reliably, and with no fussing around
Size: 9 x 9 x 3 inches
I use this controller with a Mercedes GL 350, an iPhone 13 Pro, and a Cargo Express 14 foot trailer. I got this product because I did not want to find space for a big controller interface box in my fairly compact under-dash space - partly because I am 6'7" tall and don't want to loose any leg clearance. The setup is just as simple as the YouTube instructional videos say it is. The controller and the Bluetooth app work very reliably while driving. The app is designed to keep the program running without going to sleep (with or without aux power), and it allows you to run the app in the background while you use (and switch back and forth with) a navigation app like Maps or Google maps. Once it has been set up and a profile initiated, it is possible to use the controller without the Bluetooth app (or if you loose connection or shut the app off) although it will just run on the settings of the last used profile. I really don't mess around with the settings while driving, so this is not an issue, although you do loose the ability to command the brakes ON while driving without applying the vehicle brakes just by using the controller (but the brakes still do come on just fine when you hit the vehicle brakes). (Apparently manual activation of just the trailer brakes alone can be used to correct an oversteer slide by the towing vehicle, but I have not had a chance to try that yet - fortunately.) I have only 2 minor complaints. First, the controller is kind of long - so when it is installed on my vehicle (with a low mounted and downward pointing trailer wiring plug) the plug and the trailer connection wire get close to the ground and I need to use a bungie cord to insure ground clearance. Also it is vulnerable to missteps as with loading the vehicle or from dogs climbing into the back of your vehicle. And second, for some reason the fit between the controller and the trailer wiring plug is not great - it needs a lot of force to connect (even with WD-40), it is hard to get the retainer latch to engage, and it always seems a little insecure - but it does work - no failures in my experience. Maybe thats just a problem with the Cargo Express plug - maybe not. But bottom line - this is a great product, it works great, and it very nicely gets around the awkwardness of a dash or under dash mounted brake controller.
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Reviewed in the United States on March 22, 2022 by Moses
Works very well
Size: 9 x 9 x 3 inches
We bought this after seeing a review online. We traded in our truck for a new tow vehicle that did not have the in dash brake control. After seeing this option we decided to try it out. At first it did seem a bit of a challenge for my husband to set up. He is not a technical guy at all, however he did figure it out and got it working. We bought this last August and have used it about 5-6 times to tow our travel trailer. We have both been very impressed with the braking ability it gives to the trailer. We live at the bottom of a hill and it helps the trailer not push us down the hill. He keeps the app open on his phone as we drive and it is super easy to tap to apply the brake if needed. I have not written a review until now because I wanted to try it a few times since it is a little on the pricy side I wanted to give an honest review as to our experience with this product. I have to say we have been very impressed with it and I am glad we spent the money for it as it does add peace of mind while traveling.
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Reviewed in the United States on June 11, 2026 by Gena Kellogg
Worked at first, then caused serious braking issues
Size: 9 x 9 x 3 inches
I bought the CURT Echo Mobile Bluetooth Trailer Brake Controller for my new F-150, which did not come with a factory trailer brake controller. I installed it myself, and everything seemed to work fine during my first trip. However, on the way back, the trailer brakes suddenly started applying far too much braking force, almost to the point of locking up the trailer wheels. This happened even when the controller was set to 10. The only setting where I wasn't getting excessive braking was at the very lowest setting, but then I was barely getting any trailer braking at all. I returned the unit and ordered a replacement, thinking the first one might have been defective. Unfortunately, the replacement had the exact same problem right out of the box. I contacted CURT customer service. During my first call, the advisor told me to rescale the phone/controller resolution. At the time, I wasn't near my trailer, so I couldn't perform the troubleshooting steps. About a week later, when I had my trailer connected and was getting ready for another trip, I called back. The second advisor told me that the first advisor had given me incorrect information and then walked me through the setup procedure from the manual — connecting the device, connecting the trailer, and going through the setup process. I had already been following those procedures, but I went through everything again with the advisor. Unfortunately, the braking problem remained. After dealing with this through several trips and spending a lot of time troubleshooting, I finally decided to go with the genuine Ford factory trailer brake controller. It was backordered, so I had to wait a couple of months, but once I installed it, it worked flawlessly. No excessive braking, no trailer wheel locking, and no more messing around with a phone screen to monitor or adjust the controller. I also later talked with two friends who have a Silverado and a Ram. Their trucks also didn't come with factory trailer brake controllers, and both of them had purchased the CURT Echo as a solution. Both experienced very similar braking problems and eventually switched to the manufacturer-installed trailer brake controllers. Even when the CURT was working during my first trip, I could still feel a noticeable delay in the trailer braking compared with the factory controller. Another thing that surprised me was that when I contacted CURT about the problem, the customer service representatives didn't seem to be familiar with this particular issue. They basically kept saying that the device should work as designed, but in my experience, it didn't. I realize every vehicle and trailer setup can be different, and this is based on my personal experience. However, after trying two units, troubleshooting with customer service, and ultimately switching to the factory Ford controller, I personally would not recommend this controller for F-150. If your truck can be equipped with an OEM trailer brake controller, I would strongly consider going that route instead of relying on this Bluetooth unit.
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Reviewed in the United States on September 29, 2026 by Mehdi H
Easy to use and can be used with a rental vehicle if needed.
Size: 9 x 9 x 3 inches
I have owned and used this device for 4 years in 3 different trucks. It works great and I can adjust the braking for any load change correctly. It has great control so no more skidding tires. I also like that I haven't had to worry about putting a brake consoler in a new vehicle, in fact you can rent a truck and still have your brake control with you. I do have a velcro strap around it because I was worried about loosing it with just the rubber one, but I has never come loose.
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Reviewed in the United States on June 24, 2026 by Amazon Customer
Excellent brake controller
Size: 9 x 9 x 3 inches
The Bluetooth pairing PIN is under the connector cap. Remove the plastic stud from the rubber wrap band to insert the band through the attachment slots, then re-insert the stud. The phone app works over Bluetooth so it has a 25 foot range. It makes this a great brake controller, allowing you to create multiple vehicle/trailer combos for which you can tailor settings and save/retrieve each combo on the app. Sensitivity is their term for trailer braking aggressiveness or the steepness of the power curve to the trailer brakes in response to the sensed rate of deceleration. Sensitivity ranges from 1 to 9, 9 being the steepest curve. There is also a setting for maximum output power which is the power at the max deceleration end of the curve. This is also the power when the override button is held on. Max output power can be set from 5 to 100% in increments of 5%. This sets the duty cycle of a PWM (pulse width modulation) circuit in the controller that pulses the output to the brakes rapidly, maybe 150Hz. You can hear this at your wheels when you hold the override button or have someone step on the brake pedal while stopped. Your brake solenoids will ‘sing’ slightly differently with different power settings. One thing missing is a setting for hybrid and EV tow vehicles that has zero output in the mild to moderate deceleration range of the curve to maximize regenerative braking by the tow vehicle and minimize trailer brake wear. Also be aware the plastic stud is prone to popping out of the band so you need to put the band’s hole over the stud carefully when fastening, otherwise the stud will fall out onto the ground. This is the part of the design that’s sketchy, costing them one star. Have been using this for about 350 miles so far on mountain highways and works great!
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Reviewed in the United States on June 26, 2025 by Tommy
Easy to Install and it Worked Beautifully After Initial App Discovery/Pairing on S23 Problem
Size: 9 x 9 x 3 inches
The app is pretty good but seemed to be picky on my Samsung Galaxy S23. Ended up running the app on a different phone to discover and configure the Echo. Operation was good but frequently lost Bluetooth connectivity with the phone. This didn't concern me because the controller works autonomously from the tow vehicle brake activation signal and the accelerometer sensor readings inside the Echo. Towing a 6000 lb tandem axel 22 foot camper with my 2011 F-150 felt very solid and reassuring with the maximum setting of 80 and a sensitivity setting of 7. The Echo simply worked. When Bluetooth was connected, seeing the reassuring circular bar-graph around the emergency trailer activation button was nice. I'm certain that putting the phone up higher and not sitting on the seat would help greatly and is recommended. I like not having the inconsistencies of an in-cab 3rd party brake controller and having that bump under the dash to hit my knee on. The Echo is completely outside at the 7-way trailer connector. It does protrude quite a bit and recommend just making sure it doesn't get in the way of anything as you tow and turn the trailer. It is quite a bit more money than an in-cab controller you need to install (plus the specific wiring harness for your vehicle). But for the ease of installation and reliable operation I'd pick this over an in-cab wired controller. The only gotcha seems to be getting the phone app permissions right and getting the app to recognize and pair with the Echo which is all done in the app. I've had issues with other apps on this Galaxy S23 which doesn't make it better, but attests to some possible compatibility issues that hopefully get addressed in future app updates.
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Reviewed in the United States on January 23, 2024 by Brian Hammill
Great product
Size: 9 x 9 x 3 inches
Worked perfectly
Reviewed in the United States on September 24, 2026 by J Perez
Great idea, flawed execution, fragile product.
Size: 9 x 9 x 3 inches
The Curt Echo could have been awesome, but it is a let down in many ways. It is long, and it is fragile. The main body is only held together by four tiny screws. The female connector side flexes a lot and puts strain on the small screws that hold the body. The rubber strap is a decent idea to secure it to the 7-way on the truck, but the little nipple that the strap uses to lock is not strong enough for the job, and is easy to lose. It really should've been velcro. Be aware of how your 7-way is positioned before buying. If your truck or SUV has a 7-way connector that is anything but straight out of the back, parallel to the road, this controller will not work for you! My SUV has its 7-way sitting at a 45* angle to the road. The length of the Curt Echo, plus the trailer 7-way connected, left me with very little ground clearance. With the trailer loaded, the connector and cable were as low as the chains! I also came across an issue that it will NOT connect up to every 7-way blade connector. I have two trailers to tow, an 18' flatbed and a 16' car hauler. The Echo will absolutely not connect to the 16 footer's 7-way, despite it being the correct connector (pictured), trying to twist and wiggle it around to get it to connect is how I began to doubt how well this thing would hold up. If I kept trying to force it, it would have snapped the Echo's fragile plastic in two. My 18' flatbed's 7-way blade connected without an issue. I have no idea why some fit and not others. Only being able to use it with one of the trailers was the final deal breaker. I returned this and got the Curt Echo Under Dash version instead. It uses the same app, and is a much better product.
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Reviewed in the United States on August 2, 2022 by Dyllon H Jacobson