U0477
Invalid Data Received From Restraints System Sensor G
U0477 is an OBD-II diagnostic trouble code meaning: Invalid Data Received From Restraints System Sensor G. Common causes: security system sensor g malfunction, damage to the wiring harness to the sensor. Estimated repair cost: $56–167.
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
- Diagnose the SRS system using a scanner
- Check the integrity of the wiring harness to the G sensor
- Inspect the sensor connectors for oxidation or damage.
- Replace sensor G if necessary
- Repair only from an authorized dealer
Related codes
Error U0477 by Vehicle Brand
FAQ
What does the U0477 code mean?
U0477 is an OBD-II diagnostic trouble code that indicates: Invalid Data Received From Restraints System Sensor G
What causes a U0477 error code?
The most common causes of U0477 include: Security system sensor G malfunction; Damage to the wiring harness to the sensor; Poor contact in the sensor connector; SRS control module malfunction.
How do I fix a U0477 diagnostic trouble code?
To fix U0477: Diagnose the SRS system using a scanner. Check the integrity of the wiring harness to the G sensor. Inspect the sensor connectors for oxidation or damage.. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U0477?
Do not drive — repair immediately
How much does it cost to fix U0477?
The estimated repair cost for U0477 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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