OBD Guide

B0534

Left Turn Signal Circuit Open

B0534 is an OBD-II diagnostic trouble code meaning: Left Turn Signal Circuit Open. Common causes: broken wire in the harness, faulty turn signal relay. Estimated repair cost: $6–56.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$6–56 (est.)

Symptoms

  • Left turn signal does not work
  • Turn signals flashing quickly
  • Dashboard warning

Causes

  • Broken wire in the harness
  • Faulty turn signal relay
  • Burnt out lamp
  • Problems with the control unit
  • Corrosion in connectors

How to Fix

  1. Check the left turn signal lamp
  2. Inspect the wiring harness for damage
  3. Check turn signal relay
  4. Diagnose the control unit if necessary
  5. Clean connector contacts from corrosion

Related codes

Error B0534 by Vehicle Brand

FAQ

What does the B0534 code mean?

B0534 is an OBD-II diagnostic trouble code that indicates: Left Turn Signal Circuit Open

What causes a B0534 error code?

The most common causes of B0534 include: Broken wire in the harness; Faulty turn signal relay; Burnt out lamp; Problems with the control unit.

How do I fix a B0534 diagnostic trouble code?

To fix B0534: Check the left turn signal lamp. Inspect the wiring harness for damage. Check turn signal relay. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B0534?

Limited driving only, diagnose soon

How much does it cost to fix B0534?

The estimated repair cost for B0534 is $6–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat