DTC U1000: CAN Communication Failure (Message Registry) [10/2020 - 10/2022]: Procedure

1. Clear the DTCs.

   Refer to DTC CHECK / CLEAR [10/2020 - 10/2022]

   Chassis > Circumference Monitoring Camera Control Module > Clear DTCs 

2. Check for DTCs.

   Refer to DTC CHECK / CLEAR [10/2020 - 10/2022]

   Chassis > Circumference Monitoring Camera Control Module > Trouble Codes 

   OK

   DTC U1000 is not output.

   Result

   Proceed to
   OK
   NG

   HINT: 

   If these DTCs are output frequently, duplicate the conditions that cause the problem symptoms and perform the inspection again, even though the DTC was not output when rechecking for DTCs.

   Refer to PROBLEM SYMPTOMS TABLE [10/2020 - 11/2021] , or refer to PROBLEM SYMPTOMS TABLE [11/2021 - 10/2022]

Result: 

OK 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2020 - 11/2021]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2021 - 10/2022] 

Result: 

NG 

REPLACE PARKING ASSIST ECU. Refer to  REMOVAL [10/2020 - 10/2022]