OBD Codes List

Diagnostic reference · U0176

U0176

Lost Communication With Restraints System Sensor G

System
Network communication (U code)
Lamp
Check Engine Light
Category
Network Communications

What it means

U0176 means Lost Communication With Restraints System Sensor G.

Where it lives

For U0176, start at the sensor the description names.

Check these first

  • A failed restraints system sensor G
  • Damage to sensor G or its wiring
  • Corrosion or water at sensor G
  • Sensor G installed or mounted wrong
  • A fault in the wiring or computer that reads sensor G

What to do next

  1. Inspect restraints system sensor G and its wiring
  2. Check that sensor G is mounted and connected correctly
  3. Test the sensor G wiring with a multimeter
  4. Replace restraints system sensor G if it is faulty
  5. Clear the code and retest

Look up another code

Enter a full code or a symptom. Press / to search. How to read a code

Type a code above, or start from a symptom or a common code.

Updated

Generic SAE J2012 definition. Last updated 2026-10-10.