OBD Guide

U05B9

Invalid Data Received From Rear Radar Module C

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$167–556 (est.)

Symptoms

  • Parking assistance system not working
  • No rear obstacle warning
  • The malfunction indicator lamp on the instrument panel lights up
  • Errors in the blind spot monitoring system

Causes

  • Damage to the wiring harness to the radar module
  • Rear radar module C malfunction
  • Module power problems
  • Corrosion or oxidation of contacts
  • Software error in the module

How to Fix

  1. Check the integrity and connections of the wiring harness
  2. Check the power and ground of the radar module
  3. Scan the module for additional errors
  4. If necessary, replace rear radar module C
  5. Repair only from an authorized dealer

Related codes

Error U05B9 by Vehicle Brand