OBD Guide

U0479

Invalid Data Received From Restraints System Sensor I

Severity
🔴 High
Can you drive?
Do not drive — repair immediately

Symptoms

  • Malfunction indicator light (MIL) may be turned on
  • Error message on the dashboard
  • There may be problems with the operation of the security system
  • Incorrect operation of airbags
  • Incorrect operation of seat belt pretensioners

Causes

  • Security sensor 'I' faulty
  • Problems with sensor wiring or connectors
  • Security control module malfunction
  • Wiring harness damage
  • Low battery voltage

How to Fix

  1. Check the sensor wiring and connectors for damage
  2. Check battery voltage and terminal condition
  3. Check the security sensor 'I' for faults
  4. Check the Security Control Module
  5. Repair only from an authorized dealer

Related codes

Error U0479 by Vehicle Brand