Dec 29, 2020 · Some customers may comment on an intermittent crank/no start in cold climate conditions. When checking the vehicle for DTCs, the ECM may report P1682 set as current or in history. This condition may be caused by excessive resistance across the KR75 Engine Controls Ignition Relay contacts due to frost build-up. Recommendation/Instructions. Buick Verano Relay Dec 08, 2018 · 2006 cadillac dts no start. 7 Answers. I own a 2006 cadillac dts. The car doesn't start. It cranks and back fires almost starts. By it back firing I'll assume there's spark and fuel. I tried using starting fluid it doesn't help. I fou... The Cadillac Dts 2008 would not start. . Had Dts towed to foreman-blair gm dealership. . 896382 scan for codes none found no fuel pressure no volttage at circuit to fuel pump no voltage burn connnector at fuse box repace box c muti point inspection the relay 19116057 got hot and burn connector at fuse box and melted the fuse block 19116816 which is located under thr back seat,, that might set ...