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 [08/2016 - ]: Procedure

1. Clear the DTCs.

   Refer to DTC CHECK / CLEAR [08/2016 - 01/2023] , or refer to DTC CHECK / CLEAR [01/2023 - ]

   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 [08/2016 - 01/2023] , or refer to DTC CHECK / CLEAR [01/2023 - ]

   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 [08/2016 - 11/2017]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2017 - 03/2019]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [03/2019 - 09/2020]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2020 - 01/2023]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [01/2023 - ] 

Result: 

B 

GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING). Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2014 - 11/2017]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2017 - 03/2019]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [03/2019 - 01/2023]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [01/2023 - ]