FixVault

U0101 - Lost Communication With Transmission Control Module: Notes

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAM.

Possible Causes
CAN C BUS (+) CIRCUIT D51 SHORT TO VOLTAGE
CAN C BUS (-) CIRCUIT D52 SHORT TO GROUND
DTCs RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES
TIPM NOT CONFIGURED CORRECTLY
TCM POWER AND GROUND
TCM
MODULE THAT SET THIS DTC