TsOP Sensor Failed, CPU Fan Running Full Tilt, and Super Slow

I had a run in with a water spill a little while back on the trackpad of this Early 2011 13” MacBook Pro. I immediately took it apart and let it dry out for a few days before reassembling. Ever since, the CPU fans run full tilt, and the computer is unusably slow. I’ve had some success in safe mode with a more responsive system, but it’s still running hard.

AHT has identified the TsOP error (shown below):

I’ve since run iStats and found another potential set of angry sensors.

I’ve replaced the trackpad cable to no avail so far. I think the trackpad itself may be shot as well. I’m debating whether it’s worth it to get one if this thing’s likely dead anyway. I’ve tried disconnecting the iSight camera, wireless card, and trackpad. No combination of those disconnections resulted in positive gains.

Any thoughts/ideas?

Update 07/18/20: So I pulled it open to trace the lines, and I frankly am not certain where to begin. Am I going to need to pull out the logic board and trace on the backside? Wanted to confirm that it's needed before going down that rabbit hole again.