HELP: P0705 2020 Toyota Tundra TRS Sensor Circuit malfunction

Hello,

I have a 2020 Toyota Tundra and the other day I started my truck in the parking lot and the dash showed the following messages:

- Pre-collision system malfunction
- Drive-Start Control Malfunction
- Trailer Brake Error

I plugged in OBD2 and got P0705 - TRS sensor circuit, but no check engine light

The truck has no clue what gear it it is in, sometimes Park is nothing, sometimes Reverse is Park, Drive is usually neutral but sometimes reverse, and the truck can usually only start if you shift to drive.

I have replaced the TRS on the transmission and checked every single fuse on the truck, non are blown.

Any idea what this could be? Trying to avoid a massive bill at the dealer.

 

Checked for moisture or corrosion on the electrical components in the passenger side kick panel.