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Diagnose/U0478
U0478Medium SeverityElectrical

Invalid Data Received from Module K

What This Means

Invalid or corrupted data has been received from Module K over the CAN bus network. The data does not meet expected format or value parameters.

Common Symptoms

  • Related system malfunction
  • Warning light on
  • Data mismatch errors
  • Diagnostic communication issues

Common Causes

  • Module software error
  • CAN bus noise/interference
  • Wiring damage
  • Module hardware failure
  • Power supply issue

Estimated Repair Cost

$100 – $800
Parts and labor (varies by vehicle and location)
Difficulty:Professional

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For informational purposes only. Diagnostic trouble codes are starting points for diagnosis, not definitive answers. Always consult a certified mechanic for proper diagnosis and repair. Estimated costs vary by vehicle, location, and shop rates.