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U0440: Invalid Data Received From Pedestrian Alert Control Module

What Does U0440 Mean?

U0440 is a diagnostic trouble code indicating: Invalid Data Received From Pedestrian Alert Control Module. 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

U0435 Invalid Data Received From Power Steering Control Module - Rear U0436 Invalid Data Received From Differential Control Module - Front U0437 Invalid Data Received From Differential Control Module - Rear U0438 Invalid Data Received From Trailer Brake Control Module U0439 Invalid Data Received From All Terrain Control Module U0441 Invalid Data Received From Emissions Critical Control Information U0442 Invalid Data Received From ECM/PCM B U0443 Invalid Data Received From Body Control Module B