MY 2008 3500 DURAMAX DIESEL TRUCK WENT INTO LIMP MODE WHILE ON THE INTERSTATE 15 NEXT TO THE CONCRETE K-RAIL. IMAGINE HEAVY TRAFFIC, A FULLY LOADED SEMI BEHIND YOU, AND THEN SLAMMING ON THE BREAKS. THIS IS WHAT HAPPENED. THE SEMI SLAMMED ON HIS BREAKS, TRAILER CROSSED TWO LANES, OTHER VEHICLES SKIDDED OFF THE FREEWAY. I WAS ALMOST KILLED, AS WAS OTHERS. TURNS OUT A RODENT HAD CHEWED A SENSOR WIRE AND THE WIRES CROSSED DETECTING A CONDITION WITH THE ENGINE. OVER 20 VEHICLES WERE INVOLVED IN THIS NEAR FATAL CRASH. WHEN I ASKED THE DEALERSHIP WHY IT DID THIS, THEY EXPLAINED "IT IS DESIGNED TO REDUCE SPEED TO ABOUT 15 MILES PER HOUR TO SAME ENGINE COMPONENTS, AND THAT THIS IS IN MOST VEHICLES TODAY". I PERSONALLY DON'T CARE ABOUT ENGINE COMPONENTS, BUT FURTHER RESEARCH FOUND THAT HIS IS BEING DRIVEN BY THE INSURANCE COMPANIES THAT ULTIMATELY PAY FOR WARRANTY REPAIRS. THIS IS A MAJOR SAFETY RISK, AND WILL KILL PEOPLE. *LN