OBD Guide

U02B8

Lost Communication With Rear Radar Module C

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–222 (est.)

Symptoms

  • Parking assistance systems do not work
  • Errors on the dashboard
  • Disabling adaptive cruise control
  • Warning messages in the multimedia system

Causes

  • Open or short circuit in the module power supply circuit
  • Damage to the wiring harness to the radar module
  • Rear radar module C malfunction
  • Poor contact in the module connector
  • Problems with ECU software

How to Fix

  1. Check the integrity of the wiring to the module
  2. Inspect connectors for corrosion or damage
  3. Check the power supply and ground of the module
  4. Scan the module for internal errors
  5. If necessary, replace rear radar module C

Related codes

Error U02B8 by Vehicle Brand