Enter the error code and car brand
Vehicle engine and/or automatic transmission
Code: P1604 - The car's communication network (CAN-Bus) lost contact with the transmission control unit (TCU) or engine control unit (ECU), causing a malfunction.
DTC P1604 HYUNDAI
27.10.2025
4807
1 minute of reading
Video for "Error p1604" on YouTube
The following error codes are often searched for
Comments on the article