Description
U1300 is indicated when a communication signal malfunction occurs. U1300 is indicated along with DTCs that identify components connected to the AV control unit through communication lines. Determine the possible malfunction cause from the table below.
SELF-DIAGNOSIS RESULTS DISPLAY ITEM

U1255 satellite radio tuner
U1310 AV control unitCan communication system
System Description
CAN communication is a multiplex communication system. This enables the
system to transmit and receive large quantities of data at high speed by connecting control units with two
communication lines (CAN-H and CAN-L).
Control units on the CAN network transmit signals usi ...
B1049 - B1052, B1054 - B1057 driver airbag module
Description
DTC B1049 - B1052, B1054 - B1057 DRIVER AIRBAG MODULE
The driver air bag module is dual stage and wired to the air bag diagnosis
sensor unit through the spiral cable.The air bag diagnosis sensor unit will
monitor for opens and shorts in detected lines to the driver air bag module
...
System maintenance
The sensor A is located behind the lower grille
of the front bumper.
To keep the system operating properly, be sure to
observe the following:
Always keep the sensor area of the front
bumper clean.
Do not strike or damage the areas around
the sensor.
Do not cover or attach sticke ...