DTC U0073: Control Module Communication Bus "A" Off; DTC U0155: Lost Communication with Instrument Panel Cluster (IPC) Control Module [09/2017 - 07/2020]: Procedure

1. Clear the DTCs

   Refer to DTC CHECK / CLEAR [09/2017 - 07/2020]

   Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Clear DTCs 

2. Check for CAN communication system DTCs

   Refer to DTC CHECK / CLEAR [09/2017 - 07/2020]

   Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Trouble Codes 

   Result

   Result	Proceed to
   No CAN communication system DTCs are output	A
   CAN communication system DTCs are output	B

Result: 

A 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2017 - 05/2019]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [05/2019 - 10/2019]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2019 - 07/2020] 

Result: 

B 

GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2017 - 05/2019]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [05/2019 - ]