New to the forum, but desperate for help. Removed trans to replace rear main seal on buddy's car. After reinstalled and start now I have a blinking D4 light,as well as check engine. And trans will only shift from 2nd to 3rd. Manually. I soaked trans down with degreaser and rinsed off before install. But blew off all solenoid connectors thoroughly. Went to junk yard pulled all solenoids I needed, installed them.... Still have the code p0773 coming up. Had this car for a week now trying resolve this. Any suggestions please and thanks!