NHTSA Complaint #11654879 — 2020 FORD F-150

I am writing to report a serious safety issue with my Ford F-150. On March 15th, 2025 while driving on State Route 167 - 410 in heavy rain, my vehicle experienced an intermittent engine shutdown while in motion. Second time happened to my wife while leaving the neighborhood on March 18th, 2025. Specifically, the engine completely shut off while driving at 40 mph. This occurred despite the Auto Start-Stop feature being manually disabled. Upon the engine shutdown, the Driver Information Center (DIC) displayed the message, "Auto StartStop Shift to P, then Restart Engine." The car did not lost power and I needed to do a full stop, shift to P, restart and switch back to D to continue driving. This malfunction occurred under hazardous conditions, specifically during heavy rain on a freeway. The sudden loss of engine power created a highly dangerous situation, placing myself and other drivers at significant risk. I am deeply concerned about the potential safety implications of this issue. The fact that the engine shut down while driving, even with the Auto Start-Stop feature disabled, suggests a critical malfunction that requires immediate attention. Despite having an extended warranty and the serious nature of this safety concern, the service department from Sunset charged me money for an unsuccessful diagnosis after two days, with service advisor unable to identify or replicate the problem.