NHTSA Complaint #11437580 — 2020 RAM 3500

CP4 High Pressure Fuel pump failed @17,500 miles. I was pulling an 18,500 LB 5th wheel trailer on a 2- lane state highway. Stranded family for 6 hours in 106 degree heat until multiple tow trucks arrived to move both vehicles. 85 miles to nearest dealer. Most expenses covered by Good Sam Platinum coverage. Replacement parts and service covered by Cummins. 35 gallons of diesel NOT replaced by FCA, 5 days lodging and towing expenses denied by FCA. No warning lights or messages prior to failure. No prior issues. 3 identical trucks delivered same day to Redding, CA dealer. Crown Motors with same issue. Blame placed on Low Sulfur diesel mandated by State of CA.