My avalanche is kicking numorous codes for tranny

Question

Po740, po573,po578,po785,p2761
We have changed fluid and filter and the ignition switch

Answer 1

P0740 TCC enable clutch circuit

P0573 Cruise control brake switch circuit high

P0578 Cruise control multi function

P0785 3-2 shift solenoid

P2761 TCC pressure control solenoid control circuit

Check the fuse for IGN 1 and IGN 0 , somehow there is no power , P0578 is set when P0573 is set, P0573 is set when the brake switch is not connected. Where the parking brake pedal is located check to see if any of the harness had rub thru