Dtc B2064 Vehicle Type Signal Malfunction

Restraints. Lexus Gs430, Gs300. Uzs190 Grs190
Pre-Crash Safety. Lexus Gs430, Gs300. Uzs190 Grs190

DESCRIPTION

INSPECTION PROCEDURE

REPLACE NETWORK GATEWAY ECU

DTC B2064 Vehicle Type Signal Malfunction


DESCRIPTION

The seat belt control ECU is connected to the network gateway ECU through CAN communication.
The seat belt control ECU receives vehicle model information from the network gateway ECU and determines whether the seat belt buckle switch information from the airbag sensor assembly center is for the driver seat or the passenger seat.
DTC B2064 is output when CAN communication with the network gateway ECU is normal and when communication is available, but the steering wheel position information is not set or varies.

DTC No.
DTC Detecting Condition
Trouble Area
B2064
  1. Communication with network gateway ECU is normal and received steering wheel position information is not set (three times in succession)
  1. Network gateway ECU
  2. Seat belt control ECU

INSPECTION PROCEDURE

NOTICE:
When the seat belt control ECU is replaced with a new one, Active Test must be performed (Click here).
1.REPLACE NETWORK GATEWAY ECU


NG
REPLACE SEAT BELT CONTROL ECU
OK

END