2015-2018 Focus service parts transmissions part # F1FP-7000-VB / F1FZ-7000-P built on 1-Aug-2020 and through 01-Mar-2021 may have an incorrect input speed sensor A (ISSA) shim thickness. This may cause an intermittent input speed sensor diagnostic trouble code (DTC). In the event of shift issues or skip shift events, check and verify that the ISSA speed sensor shim is 2.0 mm (0.079 in) F1FZ-7Z101-A before proceeding with further diagnostics.
