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.USB Device Malfunction (B1585)
DESCRIPTION
This DTC is stored when a malfunction occurs in a connected device.
DTC No.
DTC Detection Condition
Trouble Area
B1585
When any of the following conditions is met:
A non m ...
Relay
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT DOME CUT RELAY
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
Condition
...
Lost Communication with Gateway Module (MS Bus) (U1002)
DESCRIPTION
The main body ECU will store this DTC when no signals can be received
from the ECUs that have been memorized as those that are connected to the
CAN MS bus.
When the main body ECU receives a response signal from the ECUs connecte ...