OBD Guide
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B1506

Lamp Turn Signal Right Circuit Short To Ground

B1506 is an OBD-II diagnostic trouble code meaning: Lamp Turn Signal Right Circuit Short To Ground. Common causes: wiring harness damage, turn signal relay malfunction. 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 with increased frequency or its complete absence
  • The warning light on the dashboard is on
  • Error B1506 is stored in the on-board computer memory

Causes

  • Wiring harness damage
  • Turn signal relay malfunction
  • Short circuit in the right turn signal lamp
  • Corrosion of contacts in connectors

How to Fix

  1. Check the integrity of the wiring harness
  2. Inspect the right turn signal lamp for a short circuit.
  3. Check turn signal relay
  4. Clean contacts in connectors if necessary
  5. Replace faulty components

Related codes

B1505B1507

FAQ

What does the B1506 code mean?

B1506 is an OBD-II diagnostic trouble code that indicates: Lamp Turn Signal Right Circuit Short To Ground

What causes a B1506 error code?

The most common causes of B1506 include: Wiring harness damage; Turn signal relay malfunction; Short circuit in the right turn signal lamp; Corrosion of contacts in connectors.

How do I fix a B1506 diagnostic trouble code?

To fix B1506: Check the integrity of the wiring harness. Inspect the right turn signal lamp for a short circuit.. Check turn signal relay. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1506?

Limited driving only, diagnose soon

How much does it cost to fix B1506?

The estimated repair cost for B1506 is $11–56. Actual cost depends on your vehicle, location, and labor rates.

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