Contradiction with Matthew 23:8
This verse says not to be called Rabbi or master, but John 13:13 acknowledges calling Jesus Master and Lord.
Matthew 23:8: But be not ye called Rabbi: for one is your Master, [even] Christ; and all ye are brethren.
Contradiction with Matthew 19:17
This verse questions calling anyone good but God, while John 13:13 accepts the titles of Master and Lord for Jesus.
Matthew 19:17: And he said unto him, Why callest thou me good? [there is] none good but one, [that is], God: but if thou wilt enter into life, keep the commandments.
Contradiction with 1 Corinthians 8:6
This verse emphasizes only one Lord, God the Father, whereas John 13:13 refers to Jesus as Lord and Master.
1 Corinthians 8:6: But to us [there is but] one God, the Father, of whom [are] all things, and we in him; and one Lord Jesus Christ, by whom [are] all things, and we by him. [in: or, for]
Contradiction with Mark 10:18
This verse questions why anyone is called good, but John 13:13 accepts titles for Jesus, implying authority and goodness.
Mark 10:18: And Jesus said unto him, Why callest thou me good? [there is] none good but one, [that is], God.
Contradiction with Isaiah 42:8
This verse states that God will not share His glory, yet John 13:13 accepts Jesus being called Lord and Master, implying shared glory.
Isaiah 42:8: I [am] the LORD: that [is] my name: and my glory will I not give to another, neither my praise to graven images.