Stuck in trailer assist mode? No trailer to hook up and fix it? Here’s my solution!

[evlfred]

I towed my snow blower to get it serviced with my buddies utility trailer (4 pin) and my truck got the infamous “stuck in trailer assist mode” issue ever since. Tried all kinds of things and the dealer was two weeks out to try the TSB which they said my truck didn’t even qualify for (?!). So I ordered one of these 7 pin emulators off Amazon.
https://a.co/d/dZL16Ui
Plugged it in and it detected a trailer (made it “horse” cause I’ll never have a horse) and drove up the road with the emulator attached. Stopped with it running, Unplugged the emulator and drove a little ways and stopped. Got the trailer disconnected message and selected yes. Bam!!! All better!

next stop the light came back on but it was just snow on the back sensors whew.
You are all welcome!!

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[Sagebrush]

I think the protocol is to turn the truck off while unhitching. After you start, it will ask the prompt.

 

[evlfred]

I think the protocol is to turn the truck off while unhitching. After you start, it will ask the prompt.

I didn't have to turn it off, I just stopped unplugged it, drove a little (about 100 yards) stopped and put it in park and the prompt came up...

 

[TxGlenn]

I just took my truck in to the dealer for this issue with the TSB in hand. They said it would need to be there the entire day because an 'upper level tech' would need to diagnose it. I said 'here is the TSB...it tells you exactly what to do'. The day came and went and I never heard from them.

Anyway, long story short, they said the TSB didn't apply to this and what they ended up doing was connecting it to a trailer and driving it a short distance and disconnecting...like everyone else on here is saying. I had rented a U-Haul so reconnecting it wasn't an easy option. So other than reattaching a trailer (or getting this device i guess) , even the dealer doesn't even have a true fix.

 

[john877]

I've had the issue many times in the past, after connecting/disconnecting a few times, I finally got the trailer mode unstuck. Had my TRD Sport in for 5k checkup and handed them a copy of the TSB, and told them this happens every time a connect a trailer. They went ahead and performed the BSM recalibration stated in the TSB with no questions asked. Haven't had time to check it out, but at least the dealer didn't give me a hassle about performing the work under warranty.

 

[Chip]

This is so stupid, you should be able to go into setting and force it back on.

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