What is code P2763 and what is the fix

This code is for the transmission torque converter clutch solenoid which is sticking or not working. I would try to service the transmission first. Here is a guide on how to do that.

https://www.2carpros.com/articles/how-to-service-an-automatic-transmission

if that doesn't help then check out the troubleshooting chart below.

DTC P2763 (NO. 25): TCC PRESSURE CONTROL SOLENOID CONTROL CIRCUIT LOW

Refer to charts for diagnostic procedures. Don't mind the first image it was a mistake.

Please let us know what happens.