P1680 – Control Module Not Programmed

P1680 Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

P1680 Possible Causes

Engine Control Module (ECM) program error,Wrong Engine Control Module (ECM),Faulty Engine Control Module (ECM)

P1680 Description

The Engine Control Module (ECM) program does not recognize the vehicles id, or the id is missing in the ECM.