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Forscan trailer control help please

TomSoCal

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Hey guys.
I installed my new Ford OEM Trailer Control Module today. I went through the Forscan sheet and got it all programmed but the gain control is not working. cold there be something I missed?
Trailer is recognized, lights, turn signal and brakes are working. Trailer battery is charging to.
2.7 EcoBoost
STX package
Thanks guys
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Zyvin

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What changes did you make it forscan, that may help narrow it down.
 
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TomSoCal

TomSoCal

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I guess that would help lol.. Im going to assume its in the TRM programming but I couldnt find values for it.

Ford F-150 Forscan trailer control help please ipc 720.JPG


Ford F-150 Forscan trailer control help please ipc manual.JPG


Ford F-150 Forscan trailer control help please tcm 791.JPG
 

Zyvin

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I guess that would help lol.. Im going to assume its in the TRM programming but I couldnt find values for it.

ipc 720.JPG


ipc manual.JPG


tcm 791.JPG
Check out adding IPC module line 720-05-02 along with your previous change above. I think the old ‘20 required two lines, one enabled the tbc and one enabled the “gain function”.

I am unsure of what “transmission state” is, so I would keep that the same as you have now (i.e. select the value that will enable TB and keep your TS as 1 or 2 or whatever it is now).

edit: also in the APIM module is the line below, that may give more TB options on the center screen. I’ll look at mine tomorrow and see what’s there.

7D0-09-03
 
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Darkjeep

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Any updates to this? I installed mine but haven't done the forscan bit yet.
 

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TomSoCal

TomSoCal

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Got it to work. The changes didn't stick for some reason. But qfter the 20th+ time it worked. Im sure it was my fault somehow.
Pulled my 30 foot TT up a grade with no issues!!
 

johnny_jr89

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Got it to work. The changes didn't stick for some reason. But qfter the 20th+ time it worked. Im sure it was my fault somehow.
Pulled my 30 foot TT up a grade with no issues!!
I see the above settings you used but some differ on my truck. Which exact settings did you change to get yours to work? Also when you press +/- button on the controller without a trailer will something appear on the dash? I can't get mine figured out. Thanks
 

Darkjeep

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You need to take what you have and only mess with the x marked bits on the spreadsheet. If it works you will get an error message on the cluster saying no trailer detected if you move the slider bar. It is a pain until you get that eureka moment.
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