What causes the Front drver side wheel lock up when making sudden stop

Hello, you could have a mechanical brake concern, such as concerns with brake pad installation, brake pad quality, brake rotor thickness and machining, hardware lubrication, brake caliper concerns, a twisted brake hose, a brake hose restriction, a master cylinder concern or you could also have an ABS hydraulic control module issue. This is going to take some hands on testing and assistance from a technician with necessary tools and diagnostic equipment to evaluate and resolve. Use this link to find some shops near you that can help with your concern: www.repairpal.com/repair-shops