Ford P0601 OBD-II Trouble Code Definition: P0601 ECM Self Check Fault P0601 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P0601 Internal Control Module Memory Check Sum Error What does the code mean? OBD-ii Code P0601 definition: Basically that means that there is an interal fault in the Powertrain Control Module (PCM). There have been many reported […]