Scantool Diagnostics
Engine
Engine Control - U0101 Lost Communication With TCM - Scantool Diagnostics
Monitor GDS Data
1. Connect GDS to Data Link Connector (DLC).
2. IG "ON".
3. Select "DTC" button, and then Press "DTC Status" to check DTC's information from the DTCs menu.
4. Read "DTC Status" parameter.
5. Is parameter displayed "Present fault"?