U0481

Invalid Data Received From Automatic Lighting Control Module

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

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

U0480 U0482 U0483