U0481
Invalid Data Received From Automatic Lighting Control Module
U0481 is an OBD-II diagnostic trouble code meaning: Invalid Data Received From Automatic Lighting Control Module. Common causes: malfunction of the automatic lighting control module, problems with can bus wiring. Estimated repair cost: $56–167.
Symptoms
- Incorrect operation of automatic lighting
- Flashing or turning off headlights
- Error messages on the instrument panel
- Malfunction of daytime running lights
- Problems with adjusting headlight brightness
Causes
- Malfunction of the automatic lighting control module
- Problems with CAN bus wiring
- Corrosion or poor contact in connectors
- Problems with module power supply
- Software error in lighting module
How to Fix
- Diagnostics of the lighting control module
- Checking the integrity of the CAN bus wiring
- Inspecting and cleaning electrical connectors
- Checking module power and grounding
- Reflashing or replacing the module if necessary
Related codes
Error U0481 by Vehicle Brand
FAQ
What does the U0481 code mean?
U0481 is an OBD-II diagnostic trouble code that indicates: Invalid Data Received From Automatic Lighting Control Module
What causes a U0481 error code?
The most common causes of U0481 include: Malfunction of the automatic lighting control module; Problems with CAN bus wiring; Corrosion or poor contact in connectors; Problems with module power supply.
How do I fix a U0481 diagnostic trouble code?
To fix U0481: Diagnostics of the lighting control module. Checking the integrity of the CAN bus wiring. Inspecting and cleaning electrical connectors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U0481?
Limited driving only, diagnose soon
How much does it cost to fix U0481?
The estimated repair cost for U0481 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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