Engine-CodesFord – B1247 Ford

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

Quick Answer

The B1247 Ford code indicates a problem with the left rear turn indicator circuit, specifically a short to ground. Common causes include Damaged wiring in the left rear turn indicator circuit, Faulty left rear turn signal bulb, 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 Ford indicates Left Rear Turn Indicator Circuit Short To Ground.
Common causes
Common causes include Damaged wiring in the left rear turn indicator circuit, Faulty left rear turn signal bulb, 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 12, 2024
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Code B1247 Ford Description

The B1247 Ford code indicates a problem with the left rear turn indicator circuit, specifically a short to ground. This means that there is an unintended connection between the turn indicator wiring and the vehicle's ground, causing a malfunction in the left rear turn signal. This issue can lead to the turn signal not working properly, which can be a safety hazard as it affects the vehicle's visibility to other drivers on the road.

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

Common Causes of B1247 Ford

  1. Damaged wiring in the left rear turn indicator circuit.
  2. Faulty left rear turn signal bulb.
  3. Malfunctioning turn signal switch.
  4. Issue with the vehicle's body control module.
  5. Corrosion or poor connections in the turn signal circuit.

Symptoms of B1247 Ford

  1. Left rear turn signal not working or flashing intermittently.
  2. Dashboard indicator light for turn signal flashing rapidly.
  3. Turn signal staying on constantly without flashing.
  4. Vehicle's turn signal relay clicking rapidly.
  5. Vehicle's hazard lights activating when using the left turn signal.

How to Fix B1247 Ford

  1. Begin by visually inspecting the left rear turn indicator circuit for any obvious signs of damage or corrosion.
  2. Test the left rear turn signal bulb to ensure it is functioning properly and replace if necessary.
  3. Check the turn signal switch for any faults or malfunctions and replace if needed.
  4. Use a multimeter to test the wiring in the left rear turn indicator circuit for continuity and shorts to ground.
  5. If the issue persists, inspect the vehicle's body control module for any faults related to the turn signal circuit and replace if required.

Cost to Fix B1247 Ford

The typical repair costs for addressing a left rear turn indicator circuit short to ground can range from $100 to $300, including parts and labor. However, the specific diagnosis time and labor rates at auto repair shops can vary depending on factors such as location, vehicle make and model, and engine type. It is recommended to check with local auto repair shops for a more accurate estimate based on your specific circumstances. Keep in mind that rates may be higher at dealerships or in metropolitan areas, while independent shops may offer more affordable prices.

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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 Ford Code

1. What does the OBDII code B1247 mean on a Ford vehicle?

The code B1247 indicates a "Left Rear Turn Indicator Circuit Short To Ground," meaning there's an electrical short in the wiring or circuit controlling the left rear turn signal.

2. What are the common symptoms of a B1247 code?

Symptoms include the left rear turn signal not functioning, rapid or erratic flashing of turn signals, and possibly a warning light or message on the dashboard.

3. What causes the B1247 code to appear?

Common causes include damaged or frayed wiring, a faulty turn signal bulb, corrosion in the bulb socket, or a defective turn signal switch.

4. Can I drive my Ford with a B1247 code?

While driving is possible, it's not recommended as the turn signal may not work properly, creating a safety hazard for you and other drivers.

5. How do I diagnose the B1247 code?

Start by visually inspecting the left rear turn signal bulb, socket, and wiring for damage or corrosion. Use a multimeter to check for continuity and ensure there’s no short to ground.

6. How do I fix the B1247 code?

Repairs may involve replacing a damaged bulb, repairing or replacing frayed wiring, cleaning a corroded socket, or addressing issues with the turn signal switch.

7. Can a bad bulb cause the B1247 code?

Yes, a burned-out or improperly installed bulb can create a short circuit and trigger the B1247 code.

8. How much does it cost to repair a B1247 code?

Repair costs vary but typically range from $20 for a bulb replacement to $150 or more for wiring repairs, depending on the extent of the damage.

9. Could a blown fuse trigger the B1247 code?

A blown fuse by itself won't cause this code but may indicate a short circuit in the turn signal system that needs to be addressed.

10. Will clearing the B1247 code fix the problem?

Clearing the code won't fix the underlying issue. The root cause, such as damaged wiring or a faulty bulb, must be repaired to resolve the problem permanently.

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