OBD Guide

B0525

Right Turn Signal Circuit

B0525 is an OBD-II diagnostic trouble code meaning: Right Turn Signal Circuit. Common causes: break in the wiring harness, turn signal relay malfunction. Estimated repair cost: $6–56.

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

Symptoms

  • Right turn signal does not work
  • Right turn signal flashing too fast or slow
  • Dashboard warning

Causes

  • Break in the wiring harness
  • Turn signal relay malfunction
  • Damage to the turn signal lamp
  • Contact corrosion
  • Malfunction of the lighting control unit

How to Fix

  1. Check the right turn signal lamp
  2. Inspect the wiring harness for damage
  3. Check turn signal relay
  4. Clean connector contacts
  5. Check the lighting control unit

Related codes

Error B0525 by Vehicle Brand

FAQ

What does the B0525 code mean?

B0525 is an OBD-II diagnostic trouble code that indicates: Right Turn Signal Circuit

What causes a B0525 error code?

The most common causes of B0525 include: Break in the wiring harness; Turn signal relay malfunction; Damage to the turn signal lamp; Contact corrosion.

How do I fix a B0525 diagnostic trouble code?

To fix B0525: Check the right 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 B0525?

Limited driving only, diagnose soon

How much does it cost to fix B0525?

The estimated repair cost for B0525 is $6–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat