The primary election is scheduled for May 25.
He polled a total of 310,990 votes to defeat his sole rival, Stanley Osifo, who secured zero vote.
He urged Nigerians not to be deterred by the security and economic challenges in the country.
The group accused party officials of violating accreditation rules, sidelining agents, and abandoning lawful voting procedures.
Governor Babagana Zulum, delivered 2,175 votes in his polling unit representing 100 per cent support for President Tinubu.
The party stated that the aspirants demonstrated a commitment to democratic ideals and internal party unity by agreeing to abide by the primary outcome.
The politician commended other aspirants who stepped down in support of the consensus arrangement.
It said that the judgement was in the interest of political parties.
Despite four weeks of meetings and negotiations, countries were unable to resolve differences and reach a consensus, marking the third consecutive conference to fail to do so.
He also called for a fresh primary election to enable his participation.
