OBD Guide

B0528

Right Turn Signal Circuit High

B0528 is an OBD-II diagnostic trouble code meaning: Right Turn Signal Circuit High. Common causes: broken or damaged wires, faulty turn signal relay. Estimated repair cost: $6–56.

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$6–56 (est.)

Symptoms

  • Right turn signal does not work
  • Turn signal flashes too quickly
  • The indicator lamp is dim

Causes

  • Broken or damaged wires
  • Faulty turn signal relay
  • Oxidation of contacts in the lamp socket
  • Burnt out indicator lamp
  • Problems with the control module

How to Fix

  1. Check the condition of the right indicator lamp
  2. Inspect the wiring harness for damage
  3. Check the contacts in the lamp socket
  4. Test the turn signal relay
  5. Check circuit resistance using a multimeter

Related codes

Error B0528 by Vehicle Brand

FAQ

What does the B0528 code mean?

B0528 is an OBD-II diagnostic trouble code that indicates: Right Turn Signal Circuit High

What causes a B0528 error code?

The most common causes of B0528 include: Broken or damaged wires; Faulty turn signal relay; Oxidation of contacts in the lamp socket; Burnt out indicator lamp.

How do I fix a B0528 diagnostic trouble code?

To fix B0528: Check the condition of the right indicator lamp. Inspect the wiring harness for damage. Check the contacts in the lamp socket. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B0528?

Do not drive — repair immediately

How much does it cost to fix B0528?

The estimated repair cost for B0528 is $6–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat