NHTSA complaint: 2024 GMC SIERRA 2500 — ELECTRICAL SYSTEM
024 GMC Sierra 2500 Denali Ultimate, which has suffered: â¢Five catastrophic engine failures at highway speeds. â¢Total brake failure, leaving the truck unable to stop. â¢Severe electrical malfunctions, including flickering headlights at night. â¢Retaliatory actions from General Motors after I refused to waive my legal rights. I have documented proof, including GMâs own service records, emails, and a 7-minute recorded statement from GMâs highest-level technician, confirming that GM installed the wrong computer module (1500 series instead of the required 2500 series) in my truck. Additionally, I have evidence that GM executives instructed technicians to conduct diagnostics, take apart the engine, and reassemble itâbut NOT repair the defectâafter I refused to sign an affidavit waiving my rights. Due to these failures, I suffered a dislocated shoulder in one of the incidents, and my [XXX] daughter remains traumatized to this day. Given the immediate danger this defect poses to other GMC Sierra 2500 owners, I respectfully request that NHTSA open an investigation and consider issuing a recall before a tragedy occurs. 1. Engine Failures Since 3,000 Miles â GMâs Own Work Orders Confirm Issue Since purchasing my 2024 GMC Sierra 2500 Denali Ultimate, I have experienced five catastrophic engine failures, all occurring while traveling at highway speeds (70 mph): â¢The truck suddenly lost power, dropping from 70 mph to 5-10 mph within seconds. â¢This created an i
National Highway Traffic Safety Administration — Office of Defects Investigation