Unfortunately, after driving the 2019 Ford Ranger for a couple of years, customers already discovered some major problems that made them disappointed immediately. Some of these problems are faulty service brakes, problematic seats, malfunction powertrain, and faulty vehicle speed control. The valve body can cause many different TCC related problems. There are a number of valves involved: • Torque Converter Regulator Valve • Torque Converter Modulator Valve • Coast Clutch Shift Valve • Thermostatic Bypass Valve • Converter Relief Valve Anyone of these valves can cause a TCC failure. Concern: Slip or No TCC apply. Common.