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U0491: Invalid Data Received From Digital Disc Player/Changer Module D

What Does U0491 Mean?

U0491 is a diagnostic trouble code indicating: Invalid Data Received From Digital Disc Player/Changer Module D. 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

U0486 Invalid Data Received From Antenna Control Module U0487 Invalid Data Received From Audio Amplifier A U0488 Invalid Data Received From Digital Disc Player/Changer Module A U0489 Invalid Data Received From Digital Disc Player/Changer Module B U0492 Invalid Data Received From Television U0493 Invalid Data Received From Personal Computer U0494 Invalid Data Received From Digital Audio Control Module A U0495 Invalid Data Received From Digital Audio Control Module B