AutoCodes – Mercury – B136F Mercury

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

Quick Answer

The Remote Function Actuator (RFA) Module interprets radio frequency signals from the Remote Functions Receiver (RFR) Module and Intelligent Access (IA) key transmitters. Common causes include Faulty Left Front Door Handle Unlock, Left Front Door Handle Unlock harness is open or shorted, Left Front Door Handle Unlock circuit poor electrical connection. 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 Mercury indicates Left Front Door Handle Unlock Circuit No Sub Type Information.
Common causes: Common causes include Faulty Left Front Door Handle Unlock, Left Front Door Handle Unlock harness is open or shorted, Left Front Door Handle Unlock circuit poor electrical connection.
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.

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Code Popularity 706

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Feb 18, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B136F Mercury Description

The Remote Function Actuator (RFA) Module interprets radio frequency signals from the Remote Functions Receiver (RFR) Module and Intelligent Access (IA) key transmitters. The RFA module receives input signals from various modules and other components. Based on this information, the RFA module generates an output signal to control various components such as the door locks and the liftgate. The OBDII code sets when the RFA module receives no response from the left front door unlock sensor when voltage and ground are applied to the sensor after detecting vehicle speed.

OBDII Code B136F Mercury - Left Front Door Handle Unlock Circuit No Sub Type Information - AutoCodes.com — B136F Mercury Code - Left Front Door Handle Unlock Circuit No Sub Type Information

What does this mean?

What are the Possible Causes of the DTC B136F Mercury?

Faulty Left Front Door Handle Unlock
Left Front Door Handle Unlock harness is open or shorted
Left Front Door Handle Unlock circuit poor electrical connection
Faulty Remote Function Actuator (RFA) Module

How to Fix the DTC B136F Mercury?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B136F Mercury code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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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 Mercury Code

1. What are the common symptoms of OBDII code B136F Mercury (Left Front Door Handle Unlock Circuit No Sub Type Information)?

- The common symptoms include the left front door not unlocking properly when using the handle, the door lock actuator not working, and the door handle feeling loose or unresponsive.

2. What are the possible causes of OBDII code B136F Mercury?

- The possible causes could be a faulty left front door handle assembly, a damaged door lock actuator, loose wiring connections, or a problem with the central locking system.

3. How can I diagnose the issue related to OBDII code B136F Mercury?

- You can diagnose the issue by visually inspecting the left front door handle for any physical damage, testing the door lock actuator for proper functionality, checking the wiring connections for any loose or damaged wires, and using a diagnostic scanner to retrieve specific error codes.

4. Can I repair OBDII code B136F Mercury myself?

- Depending on your skill level and experience with automotive repairs, you may be able to repair the issue yourself by replacing the left front door handle assembly, fixing the door lock actuator, or addressing any wiring issues. It's recommended to follow a repair manual or seek professional assistance if needed.

5. Are there any temporary solutions for OBDII code B136F Mercury?

- In some cases, you may be able to temporarily address the issue by manually unlocking the left front door from the inside, using the key fob to unlock the door, or disabling the central locking system until a permanent repair can be made.

6. Is OBDII code B136F Mercury a serious problem?

- While the issue related to this code may not affect the overall drivability of the vehicle, it is still important to address it promptly to ensure the safety and security of the vehicle's occupants and belongings.

7. How much does it typically cost to repair OBDII code B136F Mercury?

- The cost of repairing this code can vary depending on the specific cause of the issue, the labor rates in your area, and whether you choose to repair it yourself or seek professional help. It's recommended to obtain quotes from local mechanics or repair shops for an accurate estimate.

8. Can OBDII code B136F Mercury cause any other problems in the vehicle?

- If left unresolved, this code can potentially lead to issues with the door's locking mechanism, affect the security of the vehicle, and result in inconvenience for the driver and passengers. It's best to address the problem as soon as possible.