NTB20-071

2016-2019 TITAN XD DIESEL; MIL ON WITH DTC P226C STORED IF YOU CONFIRM The MIL is ON and DTC P226C (TC BOOST CONTROL SLOW RESPONSE) IS stored, And DTC P00AF (BOOST PRESSURE CONTROL) is NOT stored in the ECM, And Binding and/or resistance is observed when the rotary turbine control valve is moved from one stop to the other (full span), by hand. NOTE: Disconnect the linkage at the actuator to move the rotary control valve. ACTION Replace the low pressure turbocharger.