General Information

Automatic Transaxle
U0122 Lost Com. With ESP(ESP) - General Information

Component Location





General Description

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

DTC Description

When the TCM cannot read the data from theECU through the CAN-BUS line, the TCM sets this code.
CAN-BUS circuit malfunctioning or ABS ECU can be a posssible cause of this DTC.

DTC Detecting Condition





Diagnostic Circuit