NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION ISSUES NOTICE: DENIAL OF MOTOR VEHICLE DEFECT PETITION

WASHINGTON, Aug. 6 -- National Highway Traffic Safety Administration has issued a notice called: Denial of Motor Vehicle Defect Petition.

The notice was published in the Federal Register on Aug. 6 by Eileen Sullivan, Associate Administrator for Enforcement.

Summary: This notice sets forth the reasons for the denial of a petition, DP26-001, submitted by Mr. Christopher Mammarella (the Petitioner) to the Administrator of NHTSA (the "Agency") by a letter dated January 9, 2026, under 49 U.S.C. 30162 and 49 CFR part 552. The Petitioner requests the Agency initiate a safety defect investigation into allegations of a mechanical failure that results in the loss of All Wheel Drive (AWD) in certain Model Year (MY) 2021 to 2023 Acura TLX and MY 2022...