OBD Guide

B0527

Right Turn Signal Circuit Low

B0527 is an OBD-II diagnostic trouble code meaning: Right Turn Signal Circuit Low. Common causes: burnt out turn signal lamp, broken or damaged wiring harness. Estimated repair cost: $11–56.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$11–56 (est.)

Symptoms

  • Flashing of the right turn signal at an increased frequency
  • Inoperative right turn signal
  • Warning on the instrument panel about a malfunction of the light alarm

Causes

  • Burnt out turn signal lamp
  • Broken or damaged wiring harness
  • Corrosion or poor contact in connectors
  • Turn signal relay malfunction
  • Body Control Module (BCM) Problems

How to Fix

  1. Check the condition of the right turn signal lamp
  2. Inspect the wiring harness for damage
  3. Check contacts and connectors for corrosion
  4. Test the turn signal relay
  5. If necessary, replace faulty components

Related codes

Error B0527 by Vehicle Brand

FAQ

What does the B0527 code mean?

B0527 is an OBD-II diagnostic trouble code that indicates: Right Turn Signal Circuit Low

What causes a B0527 error code?

The most common causes of B0527 include: Burnt out turn signal lamp; Broken or damaged wiring harness; Corrosion or poor contact in connectors; Turn signal relay malfunction.

How do I fix a B0527 diagnostic trouble code?

To fix B0527: Check the condition of the right turn signal lamp. Inspect the wiring harness for damage. Check contacts and connectors for corrosion. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B0527?

Limited driving only, diagnose soon

How much does it cost to fix B0527?

The estimated repair cost for B0527 is $11–56. Actual cost depends on your vehicle, location, and labor rates.

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