DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0101: Lost Communication with TCM; DTC U0122: Lost Communication with Vehicle Dynamics Control Module; DTC U0124: Lost Communication with Lateral Acceleration Sensor Module; DTC U0140: Lost Communication with Main Body ECU (FROM 08/2009): Procedure

1. Clear the DTC. Refer to DTC CHECK / CLEAR .
2. Perform a road test.
3. Check for DTC. Refer to DTC CHECK / CLEAR .

   Result

   Condition	Proceed to
   DTC is output	A
   DTC is not output	B

   HINT: 

   If a CAN communication malfunction DTC and a related sensor malfunction DTC are output at the same time, the CAN communication malfunction must be repaired before troubleshooting the sensor malfunction DTC.

B → See step   3 

A → See step   2