OBD Codes List

Diagnostic reference · U0482

U0482

Invalid Data Received From Headlamp Leveling Control Module A

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

What it means

U0482 means Invalid Data Received From Headlamp Leveling Control Module A.

Where it lives

For U0482, the part to look at first is the module named here.

Check these first

  • An interrupted ground to the Headlamp Leveling Control Module A
  • A poor ground shared with the Headlamp Leveling Control Module A
  • A fault inside the Headlamp Leveling Control Module A
  • Corrupted or outdated software in the Headlamp Leveling Control Module A

What to do next

  1. Scan every module and record the stored codes
  2. Check the Headlamp Leveling Control Module A connector for water, corrosion, or loose pins
  3. Test the Headlamp Leveling Control Module A wiring for open and short faults
  4. Replace the Headlamp Leveling Control Module A if the circuit and grounds test good
  5. Clear the code and retest

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Updated

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