Why does my jeep drop power going up a hill

ive change my throttle position sensor and my map sensors. Still I cant get any power, vehicle sometime come to a complete stop on a hill. ive just plug in the computer and its saying code 59. can you help me ?

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0
crwdns2934285:0crwdne2934285:0