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U0494: Invalid Data Received From Digital Audio Control Module A

What Does U0494 Mean?

U0494 is a diagnostic trouble code indicating: Invalid Data Received From Digital Audio Control Module A. 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

U0489 Invalid Data Received From Digital Disc Player/Changer Module B U0491 Invalid Data Received From Digital Disc Player/Changer Module D U0492 Invalid Data Received From Television U0493 Invalid Data Received From Personal Computer U0495 Invalid Data Received From Digital Audio Control Module B U0496 Invalid Data Received From Subscription Entertainment Receiver Module U0497 Invalid Data Received From Entertainment Control Module - Rear A U0498 Invalid Data Received From Telephone Control Module