W/Harness Inspection

Engine Control
U0101 Lost Communication With TCM - Inspection/Repair:_:W/Harness Inspection

Signal Circuit Inspection

Check CAN communication line Open
1. Disconnect the connectors related to the CAN communication.
2. Ignition "ON" & Engine "OFF".
3. Measure resistance between High signal terminal of PCM and TCM.
4. Measure resistance between Low signal terminal of PCM and TCM.

Specification :Approx. 0Ohms




5. Is voltage within the specification?