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U0177: Lost Communication With Restraints System Sensor H

What Does U0177 Mean?

U0177 is a diagnostic trouble code indicating: Lost Communication With Restraints System Sensor H. This code relates to the network communication system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

What To Do Next

  1. 1
    Find your vehicle above

    Click your make and model for real owner reports and common causes specific to your vehicle.

  2. 2
    Check for recalls

    Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.

  3. 3
    Get a professional diagnosis

    A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.

Related Codes

U0172 Lost Communication With Restraints System Sensor C U0173 Lost Communication With Restraints System Sensor D U0174 Lost Communication With Restraints System Sensor E U0175 Lost Communication With Restraints System Sensor F U0176 Lost Communication With Restraints System Sensor G U0178 Lost Communication With Restraints System Sensor I U0179 Lost Communication With Restraints System Sensor J U0180 Lost Communication With Automatic Lighting Control Module