DTC Troubleshooting: U0103 (107-9)
DTC U0103:
 F-CAN Malfunction (TCM Lost Communication with Gear Shift Control Module)
  1. Turn the ignition switch ON (II).
  1. Clear the DTCs with the HDS.
  1. Turn the ignition switch OFF.
  1. Turn the ignition switch ON (II).
  1. Check for DTCs with the HDS.
Is DTC U0103 indicated?
YES -
Go to Step 6 .
NO -
Intermittent failure, the system is OK at this time.■
  1. Check for DTCs with the HDS.
Are DTC U0100, U0155, and U1261 indicated?
YES -
Go to Step 7 .
NO -
Go to Step 12 .
  1. Turn the ignition switch OFF.
  1. Disconnect the gear shift control module 12P connector.
  1. Disconnect the clutch actuator subharness 10P connector from the engine compartment wire harness.
  1. Connect gear shift control module 12P connector terminal No. 3 (No. 9) * and body ground with jumper wires.
    *: CANL