U02B7

Lost Communication With Rear Radar Module B

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$56–167 (est.)

Symptoms

Parking assistance systems do not work
Errors on the dashboard
Disabling adaptive cruise control
Fault message on display

Causes

Open or short circuit in the module power supply circuit
Wiring harness damage
Rear radar module B malfunction
Problems with connectors
ECU software failures

How to Fix

Check the integrity of the wiring harness
Inspect connectors for corrosion or damage
Check the power supply and ground of the module
Scan the module for additional errors
If necessary, replace rear radar module B
Repair only from an authorized dealer

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