{"count":1,"message":"Results returned successfully","results":[{"odiNumber":11727109,"manufacturer":"General Motors, LLC","crash":false,"fire":false,"numberOfInjuries":0,"numberOfDeaths":0,"dateOfIncident":"02/28/2026","dateComplaintFiled":"03/25/2026","vin":"1GKS2HKJ3GR","components":"ENGINE","summary":"I am submitting this complaint to report what I believe to be a serious and systemic safety defect involving GM 6.2L engines equipped with fuel efficiency systems such as Active Fuel Management (AFM) or Dynamic Fuel Management (DFM).  I have experienced catastrophic engine failure in two separate GMC Yukon Denali vehicles with nearly identical symptoms, which strongly suggests a broader design defect rather than isolated mechanical issues.  My first vehicle, a 2015 GMC Yukon Denali XL, developed significant engine performance problems consistent with known lifter and camshaft failures widely reported in GM vehicles using these fuel efficiency systems. Due to ongoing reliability concerns and the financial burden of potential repair, I was forced to trade this vehicle at a loss.  My second vehicle, a 2016 GMC Yukon Denali XL equipped with the same engine platform, suffered sudden and catastrophic engine failure in February 2026. This failure occurred abruptly and without meaningful prior warning, rendering the vehicle inoperable and creating a potentially hazardous situation. Sudden engine failure of this nature presents a significant safety risk, particularly if it occurs at highway speeds or in heavy traffic.  An oil service had been performed on this vehicle in December 2025 at a Jiffy Lube franchise. After the failure, an independent service provider documented that the oil fill cap had been left loose. However, the Jiffy Lube franchise and its insurance carrier have denied responsibility, asserting that the engine failure is attributable to known defects and reliability issues associated with GM\u2019s fuel efficiency engine systems.  As a result, both the manufacturer and the service provider are denying responsibility for a catastrophic mechanical failure that has serious safety implications. This leaves consumers exposed to sudden engine failure risk with no meaningful recourse.  Based on my direct experience with two separate vehicles exhibiting similar catastroph","products":[{"type":"Vehicle","productYear":"2016","productMake":"GMC","productModel":"YUKON XL","manufacturer":"General Motors, LLC"}]}]}