Failing to investigate the cause of the following warnings may lead to the system operating abnormally and possibly cause an accident.
Have the vehicle inspected by your Toyota dealer immediately.


Stop the vehicle immediately.
Follow the correction procedures.Seat Position Sensor
Components
COMPONENTS
ILLUSTRATION
On-vehicle Inspection
ON-VEHICLE INSPECTION
CAUTION / NOTICE / HINT
CAUTION:
Be sure to follow the correct removal and installation procedures of the seat
position sensor.
PROCEDURE
1. INSPECT SEAT POSITION S ...
Control Module Communication Bus OFF (U0073/94,U0100/65,U0123/62,U0124/95,U0126/63)
DESCRIPTION
The skid control ECU receives the signals from the ECM, steering angle sensor,
and yaw rate and acceleration sensor via the CAN communication system.
DTC Code
DTC Detection Condition
Trouble Area
...
Open in Rear Floor Electrical Key Oscillator Circuit (B27A6)
DESCRIPTION
The certification ECU (smart key ECU assembly) generates a request signal and
sends it to the indoor electrical key oscillator (for center floor). To detect the
key inside the cabin, the indoor electrical key oscillator (for center floor) crea ...