DTC B2085: Communication Error from Driving Support ECU to VSC ECU [08/2014 - ]: Procedure

CHECK DTC OUTPUT (CAN COMMUNICATION SYSTEM)
1. Clear the DTCs (Refer to Diagnosis System [08/2014 - 08/2015] Refer to Diagnosis System [08/2015 - ] ).
2. Check for DTCs.
  OK
  
  CAN communication system DTC is not output.
Result: NG

NG

GO TO CAN COMMUNICATION SYSTEM

(Refer to How To Proceed With Troubleshooting [08/2014 - ] )

Result: OK

OK

Refer to 2
CHECK DTC OUTPUT (PRE-COLLISION SYSTEM)
1. Using the Techstream, enter the following menus: Body Electrical / Pre-Collision / Trouble Codes.
2. Clear the DTCs (Refer to DTC Check / Clear [08/2014 - ] ).
3. Check for DTCs.
  OK
  
  DTC B2085 is not output.
Result: OK

OK

CHECK FOR INTERMITTENT PROBLEMS (SYMPTOMS SIMULATION)

(Refer to How To Proceed With Troubleshooting [08/2014 - ] )

Result: NG

NG

REPLACE SEAT BELT CONTROL ECU

(Refer to Removal [08/2014 - ] )