U0482
Invalid Data Received From Headlamp Leveling Control Module A
U0482 is an OBD-II diagnostic trouble code meaning: Invalid Data Received From Headlamp Leveling Control Module A. Common causes: malfunction of the headlight leveling module, problems with the can bus (break, short circuit). Estimated repair cost: $56–167.
Symptoms
- Error message on the dashboard
- Automatic headlight leveling does not work
- Headlights are aimed incorrectly (too high/low)
- Flashing or unstable headlights
Causes
- Malfunction of the headlight leveling module
- Problems with the CAN bus (break, short circuit)
- Damage to the wiring harness to the module
- Low voltage in the on-board network
- Software error in the module
How to Fix
- Check connections and integrity of wiring to the module
- Diagnose the CAN bus for communication errors
- Check the power supply and ground of the module
- Test or replace the headlight adjustment module
- Update module software (if available)
Related codes
Error U0482 by Vehicle Brand
FAQ
What does the U0482 code mean?
U0482 is an OBD-II diagnostic trouble code that indicates: Invalid Data Received From Headlamp Leveling Control Module A
What causes a U0482 error code?
The most common causes of U0482 include: Malfunction of the headlight leveling module; Problems with the CAN bus (break, short circuit); Damage to the wiring harness to the module; Low voltage in the on-board network.
How do I fix a U0482 diagnostic trouble code?
To fix U0482: Check connections and integrity of wiring to the module. Diagnose the CAN bus for communication errors. Check the power supply and ground of the module. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U0482?
Limited driving only, diagnose soon
How much does it cost to fix U0482?
The estimated repair cost for U0482 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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