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

  1. CHECK DTC OUTPUT (CAN COMMUNICATION SYSTEM) 
    1. Clear the DTCs. Refer to DTC CHECK / CLEAR [08/2014 - ] .
    2. Check for DTCs.

      OK

      CAN communication system DTC is output.

    NG → See step   4 

    OK: Go to next step 

  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.

    NG → See step   5 

    OK → See step   3 

  3. CHECK FOR INTERMITTENT PROBLEMS (SYMPTOMS SIMULATION). Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [08/2014 - ] 
  4. GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [08/2014 - ] 
  5. REPLACE SEAT BELT CONTROL ECU. Refer to  REMOVAL [08/2014 - ]