OBD Codes List

Diagnostic reference · U042D

U042D

Invalid Data Received from Active Vibration Control Module

System
Network communication (U code)
Lamp
Check Engine Light
Category
Network Communications

What it means

U042D means Invalid Data Received from Active Vibration Control Module.

Where it lives

For U042D, the part to look at first is the module named here.

Check these first

  • A poor ground shared with the Active Vibration Control Module
  • Corroded or damaged pins at the Active Vibration Control Module connector
  • An internal failure of the Active Vibration Control Module
  • A calibration fault in the Active Vibration Control Module

What to do next

  1. Scan every module and record the stored codes
  2. Watch Active Vibration Control Module data on a scan tool
  3. Check the Active Vibration Control Module connector for water, corrosion, or loose pins
  4. Replace the Active Vibration Control Module if the wiring and voltage tests pass
  5. Clear the code and retest

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Updated

Generic SAE J2012 definition. Last updated 2026-10-10.