Sipho Ntuli made his first appearance in the Ubombo Magistrate's Court on Friday.
On Wednesday, the truck Ntuli was driving crashed into pedestrians and vehicles leading to multiple deaths and dozens of injuries.
Police have confirmed that Ntuli had traces of alcohol in his blood.The spokesperson for the National Prosecuting Authority in KZN, Natasha Kara, said Ntuli would remain in custody until 19 June, when he would be expected to apply for bail.
Relatives of the victims have called for Ntuli to face stiff punishment.
KZN Transport MEC Bheki Ntuli, who visited the crash site on Wednesday, said he was "appalled" that the driver may have been drunk at the time of the incident.
