2015 RAM 1500 RESTRAINT SYSTEM FAILED TO ACTIVATE DURING A SIGNIFICANT CRASH. ENTIRE LOWER BUMPER TORN OFF, CHROME SOLID STEEL BUMPER WAS COMPLETELY MANGLED. FRONTAL FRAME BRACKETS (4 TOTAL) WERE CRUSHED LIKE AN ACCORDION, SIDE SUPPORT BRACKETS OF THE FRONT BUMPER WERE BENT BACK INTO THE WHEEL WELL WITH THE BUMPER. ACCIDENT WAS DRY PAVEMENT, SUNNY WEATHER, PART OF 6 CAR PILE UP, IMPACT ESTIMATED GREATER THAN 25MPH INTO A STATIONARY VEHICLE. PERMANENT MEDICAL ISSUES DUE TO COMPLAINT SYSTEM RESTRAINT SYSTEM FAILURE. REQUESTED DEALER TO REVIEW THE RESTRAINT SYSTEM SOFTWARE TO DETERMINE IF IT SHOULD HAVE ACTIVATED. DEALER HAD NO IDEA HOW TO FIND THE DATA RECORDED DURING THE ACCIDENT. *TT *TR