OWNER OF BOTH A 2017 DURAMAX AND A TAHOE FROM NEW. DURAMAX HAD JUST TURNED 21,000 MILES THIS WINTER. RETURNED FROM FISHING SUNDAY NIGHT AND PLUGGED THE TRUCK INTO A HEAVY GUAGE EXTENSION CORD. MY FAMILY AND I WERE WOKEN AT 3AM EARLY JANUARY TO A VEHICLE ALARM. TURNS OUT THE TRUCK HAD STARTED FIRE. LUCKLY THE ALARM WAS AUDIBLE LONG ENOUGH TO WAKE US. BY THE TIME I HAD REACHED THE KEYS, IT HAD STOPPED. A PEEK OUT THE WINDOW SHOWED A CULPRIT I HADN'T ANTICIPATED. INSPECTORS FOUND THE SOURCE IN THE LOCATION OF THE BLOCK HEATER. NO WIRING CHARED BEYOND THE FRONT OF THE TRUCK. CONTINUED CONTACT WITH GM HAS YET TO REVEAL ANY INFORMATION. I LOVED THE TRUCK AND WOULD LIKE TO KNOW IF THE ISSUE IS SOMETHING THAT MAY KILL US NEXT TIME. WITH THE RECALL OF FORDS BLOCK HEATER ISSUES, I FEEL THAT THIS SOMETHING THAT SHOULD BE ANSWERED.