 Cárdenas finished second but lost by 9,000 votes to , of a PRI-PVEM coalition.In 2014, Cárdenas became the coordinator of MC's State Operating Commission in Tamaulipas.In 2015, Movimiento Ciudadano placed Cárdenas on its party list from the second region for the LXIII Legislature, returning Cárdenas to San Lázaro.