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B136F Ford Code - Left Front Door Handle Unlock Circuit No Sub Type Information

Quick Answer

The B136F diagnostic trouble code (DTC) for Ford vehicles specifically pertains to the Left Front Door Handle Unlock Circuit with no sub-type information provided. Common causes include Damaged or frayed wiring in the door handle unlock circuit, A faulty door handle switch that fails to send the signal to unlock the door, Malfunctioning door lock actuator that does not engage properly to unlock the door. 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
B136F Ford indicates Left Front Door Handle Unlock Circuit No Sub Type Information.
Common causes
Common causes include Damaged or frayed wiring in the door handle unlock circuit, A faulty door handle switch that fails to send the signal to unlock the door, Malfunctioning door lock actuator that does not engage properly to unlock the door.
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 07, 2024
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Code B136F Ford Description

The B136F diagnostic trouble code (DTC) for Ford vehicles specifically pertains to the Left Front Door Handle Unlock Circuit with no sub-type information provided. This code indicates a problem with the electrical circuit that controls the unlocking mechanism of the left front door handle. When this code is triggered, it means that the vehicle's onboard computer has detected an issue with the circuit responsible for unlocking the left front door handle, potentially leading to difficulties in accessing the vehicle.

OBDII Code B136F Ford - Left Front Door Handle Unlock Circuit No Sub Type Information
B136F Ford Code - Left Front Door Handle Unlock Circuit No Sub Type Information

Common Causes of B136F Ford

  1. Damaged or frayed wiring in the door handle unlock circuit.
  2. A faulty door handle switch that fails to send the signal to unlock the door.
  3. Malfunctioning door lock actuator that does not engage properly to unlock the door.
  4. Issues with the body control module (BCM) affecting the operation of the door handle unlock circuit.
  5. Water or moisture damage to the door handle mechanism causing electrical issues.

Symptoms of B136F Ford

  1. Difficulty in unlocking the left front door using the exterior door handle.
  2. Inability to unlock the left front door remotely using the key fob or central locking system.
  3. Intermittent or inconsistent response when trying to unlock the left front door.
  4. Audible clicking or buzzing noises coming from the left front door handle area when attempting to unlock the door.

How to Fix B136F Ford

  1. Diagnose the specific cause of the issue by conducting a thorough inspection of the left front door handle circuit, wiring, switch, and related components.
  2. Test the door handle switch and door lock actuator for proper functionality using a multimeter or diagnostic tool.
  3. Replace any damaged or faulty wiring in the door handle unlock circuit to ensure a secure electrical connection.
  4. If the issue lies with the door handle switch or door lock actuator, replace the defective component with a new, OEM-quality part.
  5. Reset the vehicle's computer system and test the left front door handle unlock function to ensure that the problem has been resolved.

Cost to Fix B136F Ford

The typical repair costs for addressing a B136F Ford code related to the Left Front Door Handle Unlock Circuit can vary depending on the specific cause of the issue and the labor rates at the auto repair shop. In general, the cost of parts for replacing a faulty door handle switch or door lock actuator can range from $50 to $200, while the labor costs may add an additional $100 to $300, depending on the shop's hourly rates.

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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 B136F Ford Code

1. What are the common symptoms of OBDII code B136F for a Ford vehicle?

- The common symptoms include the left front door handle not unlocking properly when attempting to open the door from the outside.

2. What could be causing the OBDII code B136F to trigger in a Ford?

- The code B136F is typically caused by a malfunction in the left front door handle unlock circuit due to wiring issues or a faulty door handle assembly.

3. How can I diagnose the cause of the B136F code in my Ford vehicle?

- To diagnose the issue, you can start by inspecting the wiring connections in the left front door handle assembly for any damage or loose connections. You may also need to check the door handle itself for proper functionality.

4. Is it safe to continue driving with the OBDII code B136F present in my Ford?

- It is not recommended to continue driving with the B136F code active, as it can result in inconvenience and potential safety concerns if the left front door handle fails to unlock properly during emergencies.

5. Can I repair the OBDII code B136F issue in my Ford vehicle by myself?

- Depending on your expertise and access to tools, you may be able to repair the B136F code yourself by addressing any wiring issues, replacing the left front door handle assembly, or seeking guidance from a professional mechanic.

6. Are there any temporary solutions to consider for the B136F code in my Ford until I can get it repaired?

- While not a permanent fix, manually unlocking the left front door from the inside before exiting the vehicle can be a temporary solution to deal with the B136F code until you can address the root cause.

7. How much does it typically cost to repair the OBDII code B136F in a Ford vehicle?

- The cost of repairing the B136F code can vary depending on the extent of the issue and whether you choose to do the repairs yourself or take it to a dealership or mechanic. It's advisable to get a few quotes to compare prices.

8. Can a faulty left front door handle affect other vehicle systems in a Ford?

- While the primary impact of a faulty left front door handle is difficulty in opening the door, it may also affect related systems like the central locking mechanism or alarm system in the vehicle.

9. Will resetting the OBDII system clear the B136F code in my Ford temporarily?

- Resetting the OBDII system may temporarily clear the B136F code, but it is likely to reappear if the root cause of the issue, such as a faulty door handle or wiring problem, is not addressed.

10. How urgent is it to address the OBDII code B136F for the left front door handle in a Ford vehicle?

- It is recommended to address the B136F code promptly to ensure the proper functioning of the left front door handle and maintain the overall safety and convenience of the vehicle.

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