The Ford Motor Company has identified a safety concern that may affect 2021 through 2023 model year Mustang Mach-E sport utility vehicles. In the subject crossovers, bending fatigue could result in a rear differential pinion shaft failure.
Such an event would also lead to a sudden loss of motive power, as well as unintended vehicle movement when park is requested if the parking brake is not applied. The root cause behind the bending fatigue remains under investigation as of this writing. BorgWarner's Mexican subsidiary is listed as the supplier of the primary drive unit assembly, which is called LJ9P-7P500-A in the parts system.
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