DTC U0073: Control Module Communication Bus Off; DTC U0100: Lost Communication with ECM/PCM/EV "A"; DTC U0101: Lost Communication with TCM; DTC U0126: Lost Communication with Steering Angle Sensor Module; DTC U0129: Lost Communication with Brake System Control Module; DTC U0142: Lost Communication with Body Control Module "B"; DTC U0155: Lost Communication with Instrument Panel Cluster (IPC) Control Module [09/2020 - ]: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / HL AutoLeveling / Trouble Codes.
5. Clear the DTCs.

   Body Electrical > HL AutoLeveling > Clear DTCs 

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  2

1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG).
3. Wait 35 seconds or more.
4. Turn the Techstream on.
5. Enter the following menus: Body Electrical / HL AutoLeveling / Trouble Codes.
6. Check for DTCs.

   Body Electrical > HL AutoLeveling > Trouble Codes 

   OK

   DTCs are not output.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2020 - 11/2021]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2021 - 09/2022]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2022 - ] 

Result: 

NG 

GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2018 - ]