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 U0126: Lost Communication with Steering Angle Sensor Module; DTC U1103: Lost Communication with Stop and Start Control Module [06/2018 - 08/2021]: Procedure

1. Clear the DTCs.

   Refer to DTC CHECK / CLEAR [06/2018 - 08/2021]

   Chassis > Air suspension > Clear DTCs 

2. Turn the engine switch off.
3. Drive the vehicle at a speed of 30 km/h (19 mph) or more for 10 seconds or more.
4. Check for DTCs.

   Refer to DTC CHECK / CLEAR [06/2018 - 08/2021]

   Chassis > Air suspension > Trouble Codes 

   Result

   Result	Proceed to
   CAN DTCs are not output	A
   CAN DTCs are 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.

Result: 

A 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [06/2018 - ] 

Result: 

B 

GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING). Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [06/2018 - ]