While driving at highway speeds on the freeway in my 2021 Cadillac CT4-V, the vehicle experienced a sudden, catastrophic loss of propulsion. Without warning, the transmission dropped out of gear as if it were in neutral. I completely lost the ability to accelerate, creating an immediate, life-threatening hazard as I was left stranded and blocking high-speed freeway traffic. Only after the mechanical failure occurred did the check engine light illuminate. The vehicle was towed to Cadillac Dealership. The service...
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department confirmed that the vehicle suffered from the known defective transmission control valve covered under GM Special Coverage Bulletin N242480631 and tied to NHTSA Campaign 25V148. The dealership ordered the replacement valve body but aborted the repair after confirming that the control valve's failure caused massive internal fluid leaks and total mechanical destruction of the transmission assembly. The manufacturer is currently denying coverage for the complete transmission replacement, despite the fact that the total failure was consequential damage directly caused by the federally recalled, component defect.