Tundra Geniuses, HELP! Tow Haul Button Fail

I recently did a massive interior overhaul on a 2012 Toyota Tundra. When pressing the Tow Haul button, I see no dash indicator, I don't feel a change in shift points etc. I have confirmed the button is functional with a voltmeter. It always worked prior to my upgrades. Any ideas?

Here are the upgrades:

• Added a Limited Optitron instrument cluster
• Firstech Drone X1-MAX-LTE
• iDatalink Maestro RR2 Interface Module
• iDatastart CMHCXA0
  
• Alpine Halo11 iLX-F511
• Solder in the resistor to get the Tire Pressure data appear on the Alpine
• Alpine Dash Cam

Only other electrical problem, that the Tire Pressure sensor light flash on the instrument cluster, even if I hold the reset button, nothing. Some days the Tire Pressure light is off. I'll be driving down the road and it will randomly start flashing. But again the focus is the Tow Haul button and I am giving as much info as possible.