DTC U2001: Reduced System Function: Action
WARNING: This page is about a different car, the 2020 Lincoln MKZ and 2019 Lincoln MKZ. However, it is still accessible from the selected car via links, so may be relevant.
CYCLE the ignition from ON to OFF and back to ON. CLEAR the DTC. CARRY OUT the ABS module self-test. If the DTC returns, RETRIEVE and DIAGNOSE all PCM DTCs. REFER to the appropriate Electronic Engine Controls article.