New control module in the box for Cadillac and Chevrolet cars, compatible with most models: - 2021 Cadillac CT5 Luxury, Premium Luxury, Sport, V 2.0L L4 - Gas, 3.0L V6 - Gas. - 2020 Cadillac CT4 Luxury, Premium Luxury, Sport, V 2.0L L4 - Gas, 2.7L L4 - Gas. - 2020 Cadillac CT5 Luxury, Premium Luxury, Sport, V 2.0L L4 - Gas, 3.0L V6 - Gas, 6.2L V8 - Corvette Gas. Part numbers: 13536231, 13540165, 13541804, 13546977. Price at the dealership: 900 and out of stock.