DTC 86-18: F-CAN Communication With Brake Control Unit (Electric Servo Brake Control Unit)

Confirmation Procedure	Basic Condition: 12 volt battery voltage above 10 V Operating Condition: 1. Turn the vehicle to the ON mode.
Execution	Regular Diagnosis
Duration	About 2 seconds* 1 About 1 second* 2
DTC Type	1 drive cycle VSA indicator on
Fail Safe Action	Stop VSA function Stop TCS function Stop brake assist function
Possible Cause	Open between the VSA modulator-control unit and the electric servo brake control unit (F-CAN B_H, F-CAN B_L, F-CAN C_H, F-CAN C_L lines) Electric servo brake control unit failure CAN gateway system failure VSA modulator-control unit program not the latest VSA modulator-control unit internal failure

*1: '15

*2: '17