DTC B2085: Communication Error from Driving Support ECU to VSC ECU [08/2015 - 08/2019]: Procedure

1. Clear the DTCs (Refer to DTC CHECK / CLEAR [08/2015 - 08/2019] ).
2. Check for DTCs (Refer to DTC CHECK / CLEAR [08/2015 - 08/2019] ).

   OK

   CAN communication system DTCs are not output.

Result: 

NG 

GO TO CAN COMMUNICATION SYSTEM 

(Refer to DIAGNOSIS SYSTEM [08/2015 - 08/2019] )

Result: 

OK 

See step  2

1. Clear the DTCs (Refer to DTC CHECK / CLEAR [08/2015 - 08/2019] ).
2. Check for DTCs (Refer to DTC CHECK / CLEAR [08/2015 - 08/2019] ).

   OK

   DTC B2085 is not output.

Result: 

OK 

USE SIMULATION METHOD TO CHECK 

(Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2015 - 08/2019] )

Result: 

NG 

REPLACE SEAT BELT CONTROL ECU 

(Refer to REMOVAL [08/2015 - 08/2019] )