Ford P0670 OBD-II Trouble Code Definition: P0670 Glow Plug Control Module Circuit Fault P0670 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P0670 Glow Plug Module Control Circuit What does the code mean? OBD-ii Code P0670 definition: The Engine Control Module (ECM) has detected a fault on the Glow Plug Control Module (GPCM) control circuit Symptoms Sumptoms […]