P1668 FORD – PCM – IDM Communications Error

P1668 FORD Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

P1668 FORD Possible Causes

Open fuse,Faulty Injector Driver Module (IDM) Relay,Injector Driver Module (IDM) Relay harness is open or shorted,Injector Driver Module (IDM) Relay circuit poor electrical connection,Faulty Injector Driver Module (IDM)

P1668 FORD Description

PCM – IDM Communications Error is the generic description for the P1668 Ford code, but the manufacturer may have a different description. Currently we have no further information abouth the P1668 Ford OBDII code.