U02B1

Lost Communication With Comfort and Convenience Display A

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–278 (est.)

Symptoms

The multimedia system does not work or freezes
Touch screen not responding
Climate control buttons do not work
The display flashes or goes dark
An error message appears on the dashboard

Causes

Open or short circuit in wiring harness
Comfort display fault
Connector problems or contact corrosion
Software failure
Control unit malfunction

How to Fix

Check the integrity of the wiring harness to the display
Inspect and clean the connector contacts
Check power supply and display ground
Update or reflash software
Replace the comfort display if necessary

Related codes

U02B2 U02B0 U0251