DTC B2427: CAN Communication Malfunction: Procedure

CHECK FOR DTC
1. Clear the DTCs. Refer to DTC CHECK / CLEAR .
2. Check for DTCs. Refer to DTC CHECK / CLEAR .
  OK
  
  DTC B2427 output does not occur.
NG → See step 3

OK → See step 2
USE SIMULATION METHOD TO CHECK. Refer to ELECTRONIC CIRCUIT INSPECTION PROCEDURE
GO TO CAN COMMUNICATION SYSTEM. Refer to DIAGNOSIS SYSTEM