SEOUL—South Korea’s Hyundai Motor Co. and affiliate Kia Corp. on Monday forecast that their combined global sales will jump 12.1 percent in 2022, even as last year’s sales fell short of target due to a global chip shortage. The companies sold 6.67 million vehicles in 2021, about 3.7 percent less than their combined target of 6.92 million vehicles, largely due to supply problems including the chip shortage, which drove down vehicle shipment. They said they would target global sales of 7.47 million vehicles this year. “In 2022, Hyundai Motor plans to expand its market share and strengthen profitability through efforts to stabilise chip supply and demand, adjust vehicle production schedules, strengthen electric vehicle lineups as well as optimising sales profit and loss by region,” Hyundai Motor said in a statement. The shortage, due to supply problems and a surge in demand for consumer electric gadgets during the pandemic, has hit …