GM cuts shift at pickup plant for absenteeism due to COVID-19 GM cuts shift at pickup plant for absenteeism due to COVID-19 July 11, 2020 dzadmin Comments 0 Comment The production pullback, which is likely to result in about 1,250 temporary layoffs, is related to worker absenteeism, not low demand for the Chevy Colorado and GMC Canyon made at the Wentzville, Mo., factory, GM said.