Engine-Codes.com
Engine-Codes – Ford – B14F9 Ford

B14F9 Ford Code - Low Side Driver 2

Quick Answer

The B14F9 Ford diagnostic trouble code refers to a Low Side Driver 2 issue. Common causes include Wiring harness damage or corrosion, Faulty Low Side Driver 2 module, Malfunctioning ECM. 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
B14F9 Ford indicates Low Side Driver 2.
Common causes
Common causes include Wiring harness damage or corrosion, Faulty Low Side Driver 2 module, Malfunctioning ECM.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 14, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code B14F9 Ford Description

The B14F9 Ford diagnostic trouble code refers to a Low Side Driver 2 issue. In modern vehicles, the Low Side Driver is a component of the engine control module (ECM) that controls the ground circuit for various actuators and sensors in the vehicle. The Low Side Driver 2 specifically controls certain functions within the vehicle's systems. When this code is triggered, it indicates a problem with the Low Side Driver 2 circuit, which can have significant implications for the vehicle's performance.

OBDII Code B14F9 Ford - Low Side Driver 2
B14F9 Ford Code - Low Side Driver 2

Common Causes of B14F9 Ford

  1. Wiring harness damage or corrosion
  2. Faulty Low Side Driver 2 module
  3. Malfunctioning ECM
  4. Poor connection in the circuit
  5. Electrical short circuit

Symptoms of B14F9 Ford

  1. Engine misfires
  2. Poor acceleration
  3. Check Engine Light illuminated
  4. Rough idling
  5. Stalling

How to Fix B14F9 Ford

  1. Begin by conducting a thorough inspection of the wiring harness and connections for any damage or corrosion.
  2. Test the Low Side Driver 2 module to determine if it is functioning properly. Replace if necessary.
  3. Check the ECM for any faults or errors and address as needed.
  4. Inspect the circuit for any loose connections or electrical shorts. Repair or replace as necessary.
  5. Clear the diagnostic trouble codes and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix B14F9 Ford

The typical repair costs for addressing a Low Side Driver 2 issue can range from $200 to $500, including parts and labor. However, it's important to note that specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. Auto repair shops commonly charge between $80 and $150 per hour for labor, but rates may be higher in metropolitan areas or at dealerships, while independent shops may charge less. It's advisable to check local rates for a more accurate estimate.

What does this mean?

Tech Notes for B14F9 Ford

B14F9:11 Low Side Driver 2 Short To Ground

B14F9:12 Low Side Driver 2 Short To battery

B14F9:13 Low Side Driver 2 Open Circuit

Need more information about the B14F9 Ford code?

Need more information on how to fix the B14F9 Ford code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B14F9 Ford code diagnosed by a professional: Find a repair shop in your area

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 B14F9 Ford Code

1. What does the OBDII code B14F9 mean on a Ford vehicle?

The B14F9 code indicates an issue with the Low Side Driver 2 circuit, which typically controls certain electrical components like lighting or relays.

2. What are the common symptoms of the B14F9 code?

Symptoms may include malfunctioning lights, non-operational accessories, or warning lights on the dashboard.

3. What causes the B14F9 code to appear?

Common causes include damaged wiring, a faulty control module, a short or open circuit, or a defective component connected to the Low Side Driver 2 circuit.

4. How can I diagnose the B14F9 code?

Use a diagnostic scanner to confirm the code, inspect wiring and connectors for damage, and test the circuit for continuity or shorts.

5. Can I drive my Ford with the B14F9 code active?

While it may not cause immediate engine issues, driving with this code active can lead to malfunctioning electrical components, which could affect safety or convenience.

6. What tools do I need to repair the B14F9 code?

You’ll need a diagnostic scanner, multimeter, wiring diagrams, and possibly replacement wiring or components.

7. How do I fix the B14F9 code on my Ford?

Repairs may include replacing damaged wires, repairing loose connections, or replacing a faulty control module or component.

8. Is the B14F9 code specific to certain Ford models?

No, it can appear on various Ford models equipped with systems monitored by the Low Side Driver 2 circuit.

9. How much does it cost to repair the B14F9 code?

Costs vary depending on the root cause, but it can range from $50 for simple wiring repairs to several hundred dollars for component replacements.

10. Can the B14F9 code clear itself?

The code may clear temporarily if the issue is intermittent, but proper diagnosis and repair are needed to prevent it from returning.

Discuss the causes and fixes for B14F9 Ford OBDII Code

Submit a New Comment

Code B14F9 Ford comments

No comments found for this page.