After activation of ABS brake system, brakes became "soft" and "spongy" with permanent increased braking time. As described in safety recall 19S54, this due to to a valve in the Hydraulic Control Unit (HCU) being stuck open. I received a letter from Ford Motor Company regarding this safety recall in 2011 informing of the defect and assuring "we will correct this condition." The vehicle was taken to Koons Ford (1051 E Broad St., Falls Church, VA, 22044; 703-241-7250) on 7/5/21 for repair. However, the HCU was not replaced, which appears to be the only remedy to this problem. Instead DOT 3 brake fluid was replaced with DOT 4 fluid, according to Koons Ford. However, after subsequent activation of the ABS brake system, the brakes became impaired again in the same way as before. I returned the car to Koons Ford on [XXX]. A "one-time" repair was performed pursuant to "customer satisfaction program" 21N11, as Ford acknowledged in a letter to dealers dated 12/7/21 that numerous customers were returning as the action prescribed in safety recall 19S54 did not repair the defective brakes. However, the HCU was not replaced. Service Advisor Kevin Lacki told me the HCU "passed" the inspection/diagnostic despite replication of the problem. I complained to Service Manager Rob Ryans who did nothing. I emailed the General Manager of the dealership twice, and he never responded. I called the manufacturer on [XXX] (case #[XXX]), but no action was taken. The problem of "soft" brakes