OBD Guide

U0577

Invalid Data Received From Lighting Driver Control Module D

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Incorrect operation of lighting devices
  • Error message on the dashboard
  • Lack of response to light switching
  • Flashing or spontaneous turning on/off of headlights

Causes

  • Lighting control module malfunction
  • Damaged wiring harness or connectors
  • Short circuit in lighting circuit
  • Problems with the CAN bus
  • Software error in the control unit

How to Fix

  1. CAN bus diagnostics for communication errors
  2. Checking the integrity of the wiring and module connectors
  3. Testing the lighting control module
  4. Flashing or resetting the control module
  5. Replacing the lighting control module if necessary

Related codes

Error U0577 by Vehicle Brand