DTC detecting condition:

CAN data from body integrated unit is abnormal.

Trouble symptom:

High beam assist status is not displayed correctly in the advanced equipment screen.
Door mirror/seat position settings do not cooperate by user with Driver Monitoring System ON.
After the "Welcome" is displayed, even if the ignition is turned to ACC ON, the screen remains in black and the system does not startup.
When the ignition is turned to ACC ON while the "Welcome" screen is being displayed, the screen remains the same.
When the driver's door is opened while the "Good-bye" screen is being displayed, the screen remains the same.
Frequency of advice to take a rest increases.
Brightness of multi-function display does not change.
Brake light status is not displayed correctly in the advanced equipment screen.
Headlight status is not displayed correctly in the advanced equipment screen.
Front fog light status is not displayed correctly in the advanced equipment screen.
Rear fog light status is not displayed correctly in the advanced equipment screen.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.

• Brakes feel soft, pull hard to one side, or make grinding noises.

• The engine overheats, stalls repeatedly, or misfires under load.

• You are missing required tools, torque specs, or safe lifting equipment.

• You are not confident in the next step or safety outcome.

Safety Warning

DTC U0422: Invalid Data Received From Body Control Module