OBD Guide

U043C

Invalid Data Received From Front Distance Range Sensor - Right

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$167–556 (est.)

Symptoms

  • Error message on the dashboard
  • Disabling safety systems (adaptive cruise control, automatic braking)
  • False alarms of warning systems
  • Incorrect operation of the collision warning system

Causes

  • Malfunction of the right distance sensor
  • Damage to the wiring harness to the sensor
  • Poor connection or corroded contacts
  • Problems with the control unit software
  • Mechanical damage to the sensor (impact, stone contact)

How to Fix

  1. Diagnose the sensor using a scanner
  2. Check the integrity of the wiring harness and connections
  3. Clean contacts from corrosion
  4. Replace sensor if necessary
  5. Update control unit software
  6. Repair only from an authorized dealer

Related codes

Error U043C by Vehicle Brand