Contradiction with 2 Chronicles 20:10
This verse speaks positively of Jehu's actions, whereas 2 Kings 10:34 mentions Jehu's acts but does not provide commentary on their righteousness.
2 Chronicles 20:10: And now, behold, the children of Ammon and Moab and mount Seir, whom thou wouldest not let Israel invade, when they came out of the land of Egypt, but they turned from them, and destroyed them not;
Contradiction with Hosea 1:4
Hosea condemns the house of Jehu for the bloodshed at Jezreel, contradicting the absence of condemnation in 2 Kings 10:34.
Hosea 1:4: And the LORD said unto him, Call his name Jezreel; for yet a little [while], and I will avenge the blood of Jezreel upon the house of Jehu, and will cause to cease the kingdom of the house of Israel. [avenge: Heb. visit]