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.Front Left Sensor Malfunction (C1AE1)
DESCRIPTION
The No. 1 ultrasonic sensor (front left sensor) is installed on the front bumper.
The ECU detects obstacles based on signals received from the No. 1 ultrasonic sensor
(front left sensor). If the No. 1 ultrasonic sensor (front left sensor) has ...
Stereo Component Amplifier Malfunction (B15A3)
DESCRIPTION
This DTC is stored when a malfunction occurs in the stereo component amplifier
assembly.
DTC No.
DTC Detection Condition
Trouble Area
B15A3
When any of the following conditions is met ...
Engine Stall History (P1603,P1605)
DESCRIPTION
P1603
After starting the engine, this DTC is stored when the engine stops without the
ignition switch being operated.
Using the Techstream, the conditions present when the DTC was stored can be confirmed
by referring to the freeze frame data ...