DTC U0100: Lost Communication with ECM / PCM "A": Procedure

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON.
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / Trouble Codes.
5. Clear the DTCs.
6. Drive the vehicle at more than 5 km/h (3.1 mph) for at least 60 seconds.
7. Stop the vehicle.
8. Check for DTCs. Refer to DIAGNOSIS SYSTEM .

   Result

   Result	Proceed to
   DTC is output.	A
   DTC is not output.	B

   HINT: 

   If the CAN communication system DTC U0100 and other DTCs are output at the same time, perform troubleshooting for DTC U0100 first.

B → See step   2 

A → See step   3