Transmission Control System

DTC U0100 Lost Communication with ECM/PCM "A"

DESCRIPTION
The engine control unit and the transmission control unit are located inside the ECM. The engine control unit intercommunicates with the transmission control ECU through the Controller Area Network (CAN).

If there is a problem in this intercommunication, the ECM sets a DTC.

U0100:

MONITOR STRATEGY





TYPICAL ENABLING CONDITIONS





TYPICAL MALFUNCTION THRESHOLDS





INSPECTION PROCEDURE

Step 1(Part 1):

Step 1(Part 2):