OBD Guide

U0477

Invalid Data Received From Restraints System Sensor G

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–167 (est.)

Symptoms

  • The SRS indicator on the dashboard is on
  • The airbag system may not deploy in an accident.
  • The error is stored in the memory of the control unit
  • There may be malfunctions in other security systems

Causes

  • Security system sensor G malfunction
  • Damage to the wiring harness to the sensor
  • Poor contact in the sensor connector
  • SRS control module malfunction
  • Short circuit in the sensor circuit

How to Fix

  1. Diagnose the SRS system using a scanner
  2. Check the integrity of the wiring harness to the G sensor
  3. Inspect the sensor connectors for oxidation or damage.
  4. Replace sensor G if necessary
  5. Repair only from an authorized dealer

Related codes

Error U0477 by Vehicle Brand