No ID From ECU
Table of contents
P1604 HYUNDAI Possible Causes
- Open or Short in CAN communication harness
- Faulty Transmission Control Module (TCM)
- Faulty Engine Control Module (ECM)
How do I fix code P1604 HYUNDAI?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the P1604 HYUNDAI code
The cost of diagnosing the P1604 HYUNDAI code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
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.