OBD Guide

B3410

Automatic Headlamp Leveling Control Module Front Axle Sensor Signal

B3410 is an OBD-II diagnostic trouble code meaning: Automatic Headlamp Leveling Control Module Front Axle Sensor Signal. Common causes: faulty front axle level sensor, open or short circuit in the sensor wiring harness. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Incorrect headlight angle (lights too high or low)
  • Dashboard warning about lighting system malfunction
  • Lack of automatic adjustment of headlight levels when load changes

Causes

  • Faulty front axle level sensor
  • Open or short circuit in the sensor wiring harness
  • Poor contact in connectors
  • Software error in ALC module
  • Mechanical damage to the sensor arm

How to Fix

  1. Visual inspection of the sensor and its mounting
  2. Checking the integrity of the wiring harness and contacts
  3. Diagnostics of sensor parameters via scanner
  4. Replace the sensor if necessary
  5. System calibration after repair

Related codes

Error B3410 by Vehicle Brand

FAQ

What does the B3410 code mean?

B3410 is an OBD-II diagnostic trouble code that indicates: Automatic Headlamp Leveling Control Module Front Axle Sensor Signal

What causes a B3410 error code?

The most common causes of B3410 include: Faulty front axle level sensor; Open or short circuit in the sensor wiring harness; Poor contact in connectors; Software error in ALC module.

How do I fix a B3410 diagnostic trouble code?

To fix B3410: Visual inspection of the sensor and its mounting. Checking the integrity of the wiring harness and contacts. Diagnostics of sensor parameters via scanner. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B3410?

Limited driving only, diagnose soon

How much does it cost to fix B3410?

The estimated repair cost for B3410 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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