P1604 HYUNDAI – No ID From ECU

P1604 HYUNDAI Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

P1604 HYUNDAI Possible Causes

Open or Short in CAN communication harness,Faulty Transmission Control Module (TCM),Faulty Engine Control Module (ECM)

P1604 HYUNDAI Description

The Transmission Control Module (TCM) can either receive data from the Engine Control Module (ECM) or ABS control module, or it can send data to the ECM and ABSCM by using CAN communication. The CAN communication is one of the vehicle communications method, which is now widely used to transfer the vehicle data.