Engine-CodesGeneric – B1247

B1247 Code - Left Rear Turn Indicator Circuit Short To Ground

Quick Answer

When the diagnostic trouble code B1247 appears, it indicates that there is a short to ground in the left rear turn indicator circuit of the vehicle. Common causes include Damaged or frayed wiring in the left rear turn indicator circuit, Faulty left rear turn signal bulb or socket, Malfunctioning turn signal switch. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
B1247 indicates Left Rear Turn Indicator Circuit Short To Ground.
Common causes
Common causes include Damaged or frayed wiring in the left rear turn indicator circuit, Faulty left rear turn signal bulb or socket, Malfunctioning turn signal switch.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Table of contents Created and updated by William Orellana on Sep 09, 2024
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Code B1247 Description

When the diagnostic trouble code B1247 appears, it indicates that there is a short to ground in the left rear turn indicator circuit of the vehicle. This means that there is an electrical issue in the wiring or components related to the left rear turn signal, causing a direct connection to ground where there should not be one. This can prevent the left rear turn signal from functioning properly, leading to safety concerns and potential legal issues.

OBDII Code B1247 - Left Rear Turn Indicator Circuit Short To Ground
B1247 Code - Left Rear Turn Indicator Circuit Short To Ground

Common Causes of B1247

  1. Damaged or frayed wiring in the left rear turn indicator circuit
  2. Faulty left rear turn signal bulb or socket
  3. Malfunctioning turn signal switch
  4. Problem with the body control module
  5. Corrosion or poor connections in the wiring harness

Symptoms of B1247

  1. Left rear turn signal not illuminating or flashing
  2. Rapid blinking of the turn signal indicator on the dashboard
  3. Loss of power to the left rear turn signal
  4. Fuse for the left rear turn signal blowing repeatedly
  5. Check engine light or turn signal malfunction indicator on the dashboard

How to Fix B1247

  1. Begin by inspecting the wiring in the left rear turn indicator circuit for any visible damage or fraying. Repair or replace any damaged wires.
  2. Check the left rear turn signal bulb and socket for proper function. Replace any faulty components.
  3. Test the turn signal switch for proper operation. Replace the switch if necessary.
  4. Inspect the body control module for any signs of malfunction. Reset or replace the module as needed.
  5. Clear the diagnostic trouble code from the vehicle's computer and test the left rear turn signal to ensure proper function.

Cost to Fix B1247

The typical repair costs for addressing a left rear turn indicator circuit short to ground can range from $100 to $300, depending on the specific cause of the issue and the labor rates in your area. Parts such as wiring, bulbs, sockets, switches, or modules may need to be replaced, adding to the overall cost. It is advisable to consult with a qualified mechanic or auto repair shop to get an accurate estimate based on your vehicle's make and model. Keep in mind that additional diagnostic time may be required to pinpoint the exact cause of the problem, which can increase the total repair cost.

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Code B1247 Information for Specific Makes

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B1247 Code

What does OBDII code B1247 mean?

Code B1247 indicates a short-to-ground issue in the left rear turn indicator circuit, causing the turn signal to malfunction.

What are the common symptoms of code B1247?

Symptoms include the left rear turn signal not working, flickering, or staying on continuously.

What causes code B1247?

Typical causes include damaged wiring, corroded connectors, or a faulty turn signal bulb or socket.

Can code B1247 affect other vehicle functions?

Yes, it may impact overall turn signal operation and potentially interfere with the vehicle's lighting system.

How is code B1247 diagnosed?

A mechanic will inspect the wiring, connectors, and bulb in the left rear turn signal circuit for damage or corrosion.

Can I fix code B1247 myself?

If you're comfortable with basic repairs, you can check for damaged wires or replace the turn signal bulb. More complex issues may require professional assistance.

What tools are needed to repair code B1247?

You’ll need a multimeter, wiring diagram, and basic hand tools to inspect and repair the circuit.

How much does it cost to fix code B1247?

Repair costs can range from $50 to $200, depending on whether it’s a simple bulb replacement or wiring repair.

Can driving with code B1247 cause safety issues?

Yes, a non-functional turn signal can lead to unsafe driving conditions and increase the risk of accidents.

How can I prevent code B1247 from occurring?

Regularly inspect and maintain your vehicle’s wiring, connectors, and bulbs to prevent damage and corrosion.

Discuss the causes and fixes for B1247 OBDII Code

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