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It installed the same way as you described on my 2022 F-150. I believe 2021 and up all work the same way.

@sport19 I successfully programmed my trailer brake controller. I manually entered the 10 lines of code in the TRM AsBuilt line and made the change to the one character as you indicated above from the spreadsheet. On one of the "writes" I heard two or three clicks from the physical trailer...

Thank s Got it, I read the wrong digit in your original post. 0 to 1 in 791-01-02. In the AsBuilt TRM line. There might not be a non-AsBuilt TRM line, not all modules have them and I haven't looked again yet ... so might not have been a valid question. Will provide a how it went Saturday...

Thanks! So if I understand you, I can manually input (write) all these values in the TRM module. Do I change the "As Built" line or the standalone TRM line? So regarding 791-01-02 I believe you mean I change the "E" from the factory to "F" (for TBMC present) from Livinitup's FORSCAN...

Yikes! And I have have seen on here some don't know how.

Hello smart truck coding folks! I have a 2022 F-150 STX. It came with the 4/7-pin class IV hitch package, 53B. I just bought a Ford OEM trailer brake controller ... ML3Z-19H332-AB (says 2021-2023). I installed the module and gain switch. I decided to learn about FORSCAN and do the...