Transmission Control Systems

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 with the Controller Area Network (CAN). If there is a problem in this intercommunication, the ECM sets a DTC.

DTC Detection Condition:

Monitor Strategy:

Typical Enabling Conditions:

Typical Malfunction Thresholds:

INSPECTION PROCEDURE

Step 1:

Step 1 (continued):