If you do work on Ford MG1 ECUs with pcmtuner, remember the following are supported
Ford F-150: MG1CS015
Ford Fiesta 8: MG1CS016
Ford Focus 4: MG1CS016
Ford Focus 4: MG1CS017
Ford Mustang 6: MG1CS017
Ford Edge: MG1CS018
Ford F-150: MG1CS018
Ford Mustang 6: 5.0L MG1CS019
Ford F350: 6.2L, 7.3L Boss V8 MG1CS019
All Via OBD with Reading, writing, checksum correction