How to force blind-spot trailer detection on 1500's

[bazbob]

The automatic trailer blind spot detection on my 2020 Limited is hit or miss. Sometimes when I hitch up, pull out and corner it comes on, most other times it never comes on the entire trip. Is there a way to force trailer blind spot detection on?

 

[Goatmann]

Are you using the 4 pin or 7 pin? Trailer blind spot only works for me when plug into the 7 pin.

 

[Ram92131]

I've mostly had mine detect the trailer reliably. One time it didn't detect anything. A couple times it said either "auto" or "20ft". I'd say half the time or more it correctly registers 30ft.

 

[bazbob]

Yes, I'm using the 7 pin. I have a utility trailer with no brakes 4-pin that it has detected also one time for blind spot. It's frustrating me why hit sometimes detects and sometimes it does not

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[J-Cooz]

Mine has detected with the 4 pin. Try making a few turns in a parking lot after hooking up if you can

 

[Jus Cruisin]

You need to make a couple of "S" turns when you initially get going to let the system "see" (left and right) the trailer.

 

[bazbob]

I will try the S turns tomorrow when I hitch up

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[HarryW]

I have the same problem 2021 Ream 1500 Crew Cab. I have one enclosed trailer 20 v nose 16' flat side that it does not work so every time I turn on my turn signal I am irritated, I have pulled into a parking lot and did figure 8's and 90 deg. turns and backup turns as well. I have other trailers that it works fine.

 

[kaywood2010]

Did anyone figure anything out with this? My 2020 1500 is doing the same thing. Driving me nuts!

 

[DEG]

So far I've only used the 4 pin connector and it has reliably detected my trailer each time, but normally does not detect it until I make the first turn. I've never seen a way to force it.