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DTC 86-14: F-CAN Communication With Gauge Control Module Malfunction

Confirmation Procedure	Basic Condition: 12 volt battery voltage above 10 V Operating Condition: 1. Turn the vehicle to the ON mode.
Execution	Initial Diagnosis/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

*1: '15

*2: '17

Possible Cause

Open between the VSA modulator-control unit and the gauge control module (F-CAN A_H, F-CAN A_L, F-CAN B_H, F-CAN B_L, F-CAN C_H, F-CAN C_L lines)
Gauge control module failure
CAN gateway system failure
VSA modulator-control unit program not the latest
VSA modulator-control unit internal failure

*1: '15

*2: '17