There are a few possible reasons why the trailer lights are on all the time on your trailer. The first possibility is that your trailer lights are LED. LED lights take significantly less power so it is possible to see a dim glow even when the vehicle is off. You can simply disconnect the trailer wire from your vehicle to put a stop to this.
If they are fully illuminated that may be a different problem. According to Curt, a malfunction in the converter on the # C43FR wiring harness would... view full answer...
The Curt Trailer Hitch Receiver # C11527 is a confirmed fit for your 2017 Chevy Trax. The issue you are facing is not out of the norm, but a replacement hitch is not needed. It is fairly common for there to be issues with contact between a muffler or exhaust pipe and the solution is simply to bend the hanger on the exhaust or install different length rubber isolators. The exhaust systems have metal hangers that fit the rubber isolator and sometimes either the isolator or the hanger is... view full answer...