OBD Guide

U1513

Headlamp Control Module/Headlamp Leveling Control Module Lost Communication With Left Headlamp On LIN Bus

U1513 is an OBD-II diagnostic trouble code meaning: Headlamp Control Module/Headlamp Leveling Control Module Lost Communication With Left Headlamp On LIN Bus. Common causes: broken or damaged lin bus wires to the left headlight, poor contact in headlight connector. Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$17–89 (est.)

Symptoms

  • Left headlight doesn't work
  • Left headlight flashing
  • Light fault warning on instrument panel
  • Automatic headlight leveling does not function
  • Headlights work in emergency mode

Causes

  • Broken or damaged LIN bus wires to the left headlight
  • Poor contact in headlight connector
  • Left headlight malfunction
  • Problems with the headlight control module
  • Contact corrosion in electrical connections

How to Fix

  1. Check the integrity of the wiring to the left headlight
  2. Inspect and clean the contacts in the connectors
  3. Check the functionality of the left headlight
  4. Scan the headlight control module for errors
  5. If necessary, replace faulty components

Related codes

FAQ

What does the U1513 code mean?

U1513 is an OBD-II diagnostic trouble code that indicates: Headlamp Control Module/Headlamp Leveling Control Module Lost Communication With Left Headlamp On LIN Bus

What causes a U1513 error code?

The most common causes of U1513 include: Broken or damaged LIN bus wires to the left headlight; Poor contact in headlight connector; Left headlight malfunction; Problems with the headlight control module.

How do I fix a U1513 diagnostic trouble code?

To fix U1513: Check the integrity of the wiring to the left headlight. Inspect and clean the contacts in the connectors. Check the functionality of the left headlight. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U1513?

Do not drive — repair immediately

How much does it cost to fix U1513?

The estimated repair cost for U1513 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat