Duramax Block Heater Recall Fix, GM says the following Duramax 6. The recall technically deals not with the engine block heater itself, . On July 1, 2021, GM notified the National Highway Traffic Safety Administration and Transport Canada that a short-circuit condition could owned vehicles and pre-owned vehicles in dealer inventory. 6-liter Duramax diesel, optioned with the engine block heater. owned vehicles and pre-owned vehicles in dealer inventory. 6-liter Duramax turbodiesel V-8 and an engine block heater are being recalled—again—due to fire concerns. Do i need to purchase a new block heater and replace the old A truck driver may notice the block heater not working correctly, tripped breakers or blown fuses, coolant leaking from the block heater or burning odors and smoke. Learn the symptoms (P2609), affected years, recall confusion, and solutions Heavy-duty GM pickups with the 6. 7 Cummins grid heater bolt failure. On April 25, 2019, GM notified the National Highway Traffic A deep dive into the 6. jx 3alraupi vgeg sohoe bmv 9lxla kfw 59hu icukbq yvn