Pre-collision disabling while idling

I have a 2018 SR5 with 4k miles on it. I have had absolutely no problems with it and really love the truck.

I normally start my truck and let it idle for 10 minutes while I grab my work stuff and load it up. I do this 5 days a week.

Recently, the pre-collison system turns off while the vehicle is idling. I have to shut the truck off and start it up again for it to work. The automatic high beams do not work when the pre-collision light is on for some reason.

My SR5 is completely stock; however, I did take the grill off once to plasti dip the chrome ring. This was back in May/June and I havent had any problems with the TSS until now.

I am going to bring it up when I go in for the 5k "service", but just wanted to see if anyone else has experience this.

 

You ever figure out? mine just started doing this.

 

I got the same issue!

 

Is the front radar dirty or the front of the camera covered or is it raining? Mine would give me the same warning when it rains and the radar is dirty.

 

Mine did that once, wrote it off as a fluke