Pre collision going off randomly

In my 3000 miles on 2018 OR the pre collision system has gone off three times for no apparent reason. It just beeps and says brake, which i instinctively do, then it goes away. The actual brakes have never automatically depressed. Is this common, or should i take it to dealer.

 

Mine was doing this, has clean the sensor/logo. Haven’t had a false warning since

 

Do i just stick a feather duster back behind it to clean it, or do i have to take to dealer.

 

The whole grill is held on by 2 10mm screws and 2 Plastic clips. You can disconnect the TSS harness and then go from there. Super easy. Might be worth trying that and take it to the dealer after that. Wouldn’t hurt to disconnect the battery while your doing it. Might clear it up.

 

That sounds too hard for me. All i could manage is a feather dustser. Would that do anything, or should i take to dealer. Dont want to male warranty claim

 

2 10mm screws and 2 plastic clips is too hard? Oh man...

 

Yeah man, you shouldnt mod your truck

 

Mine did this, dealer had to replace sensor behind grill. Warranty.