Hey guys, We're working on a 04 F750 (Vin 3FRXF75H64V687893) with a 5.9L Cummins. There's a hard fault of 2388- VGT actuator position failed. Did an EGR and actuator test. Passed the EGR and failed the actuator. Tested the position sensor and found when discon... Login to read more.