Help. Rebuild codes!

[xc1993]

I've built a few stock Allison's before but here's the codes I have

P0713
P0841 stuck off c
P0846 stuck open d
P0871
P0876

I'm at a loss an I'm begging for help

 

[RENODMAX]

Did you build this trans or did it come to you with these codes? If you rebuilt it I would go back through the valvebody.