ABS Error Warning Light on 2018 Toyota Highlander When Installing Trailer Brake Controller  

We have actually run into this issue quite a few times in the past, and there is a simple fix. The reason the Curt Echo Wireless #C51180 locks up the brakes on your camper only at low speeds is due to it being paired incorrectly, usually plugging in…

You're looking for a light green wire, exiting terminal #2 of the stoplight switch connector. Tekonsha also recommends using the #7865 pigtail on your vehicle, rather than the one included with the controller. The pigtail has a diode in it to…

The stop light switch circuit on a 2019 Toyota Highlander which will be needed to install a brake controller like the Tekonsha Prodigy P3 Trailer Brake Controller part #90195 can be found by testing the bundle of wires attached to the brake pedal.…

Yes, you can use the Roadmaster Single Park Light Diode #RM-690 with a Hopkins Reliance brake controller on your 2018 Toyota Highlander. The issue is the backfeeding with the Pre-Collision System (PCS) so you want to install this diode to the wire…

The Pigtail Wiring Harness with Diode for Tekonsha and Draw-Tite Brake Controllers part #7865 is required for a 2019 Toyota Highlander no matter which trailer connector or brake controller you're using as the diode is on the stop light switch…

On your 2017 Toyota Highlander, you are experiencing feedback from your brake controller onto that stop light switch which is causing the error messages you mentioned. You will want to install a diode on the red wire leading to the brake controller…

The newest Toyota Highlander we've installed a brake controller in is a 2014 model. I attached the install video to this page to show you the processs. The 2014 and 2018 Highlanders are the same generation though so what you see in the install…

Yes it is. You'll need the #7865 pigtail that has the diode in the brake stop lamp switch circuit to prevent the controller from feeding back into the vehicle wiring. To install the Tekonsha P3 #90195 on your 2018 Highlander, you'll also need…

I am happy to help you determine if your 2018 Toyota Highlander has a tow package or not. The easiest way is to visually inspect your vehicle on your own. If you take a look at the video for part #118449 that I attached on a 2018 Toyota Highlander…

I am not sure which video you are referring to but if you take a look at the 10:45 mark in the attached install video on a 2013 Toyota Highlander, you will see exactly where the bundle of wires are that you will need to tap into for the brake light…

I did some checking and it looks like your 2018 Toyota Highlander Limited has a towing capacity of 5,000 lbs so a 1,900 lb trailer wouldn't be a problem at all. Since your vehicle has the towing package you most likely have trailer wiring…

You'll need to choose a brake controller and the #ETBC7 brake controller installation kit. The install kit includes an adapter to convert the 4 pole you recently installed to a 7-way. I'd recommend a proportional controller like the Tekonsha…