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Engine-Codes – Mercury – B1373 Mercury

B1373 Mercury Code - Front Right Door Handle Unlock Circuit No Sub Type Information

Quick Answer

The B1373 diagnostic trouble code (DTC) for Mercury vehicles specifically refers to an issue with the Front Right Door Handle Unlock Circuit. Common causes include Faulty door lock actuator, Damaged wiring or connectors in the door handle unlock circuit, Malfunctioning door control module. 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
B1373 Mercury indicates Front Right Door Handle Unlock Circuit No Sub Type Information.
Common causes
Common causes include Faulty door lock actuator, Damaged wiring or connectors in the door handle unlock circuit, Malfunctioning door control module.
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 11, 2024
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Code B1373 Mercury Description

The B1373 diagnostic trouble code (DTC) for Mercury vehicles specifically refers to an issue with the Front Right Door Handle Unlock Circuit. This code indicates that there is a malfunction or failure in the circuit that controls the unlocking mechanism for the front right door handle. When this code is triggered, it can affect the vehicle's overall performance by potentially preventing proper unlocking of the front right door, leading to inconvenience and potential safety hazards for the driver and passengers.

OBDII Code B1373 Mercury - Front Right Door Handle Unlock Circuit No Sub Type Information
B1373 Mercury Code - Front Right Door Handle Unlock Circuit No Sub Type Information

Common Causes of B1373 Mercury

  1. Faulty door lock actuator.
  2. Damaged wiring or connectors in the door handle unlock circuit.
  3. Malfunctioning door control module.
  4. Issues with the keyless entry system.
  5. Water damage or corrosion affecting the circuit components.

Symptoms of B1373 Mercury

  1. Inability to unlock the front right door using the key fob or interior unlock button.
  2. Audible clicking or buzzing noise when attempting to unlock the door.
  3. Door lock mechanism feels stuck or difficult to operate.
  4. Warning light on the instrument panel indicating a door unlock circuit issue.

How to Fix B1373 Mercury

  1. Diagnose the specific cause of the circuit malfunction using a diagnostic scanner.
  2. Inspect the door lock actuator and wiring for any visible damage or corrosion.
  3. Test the door control module and keyless entry system for proper functionality.
  4. Replace any faulty components such as the door lock actuator, wiring, or control module.
  5. Clear the DTC from the vehicle's memory and test the door unlock system to ensure proper operation.

Cost to Fix B1373 Mercury

The typical repair costs for addressing a Front Right Door Handle Unlock Circuit issue can vary depending on the specific cause of the problem and the extent of the repair needed. On average, the parts and labor for this type of repair could range from $150 to $400. It is important to note that diagnosis time and labor rates at auto repair shops can vary based 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.

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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 B1373 Mercury Code

1. What are the common symptoms of OBDII code B1373 in a Mercury related to the front right door handle unlock circuit?

- The common symptoms include the front right door not unlocking with the handle, difficulty in opening the door from the outside, or the door lock actuator not responding.

2. What could be the potential causes of OBDII code B1373 in a Mercury indicating Front Right Door Handle Unlock Circuit No Sub Type Information?

- The potential causes could be a faulty door handle, damaged wiring or connectors in the unlock circuit, a defective door lock actuator, or a malfunctioning control module.

3. How can I diagnose the issue related to OBDII code B1373 in a Mercury concerning the front right door handle unlock circuit?

- You can diagnose the issue by visually inspecting the door handle, checking the wiring and connectors for any damage, testing the door lock actuator for proper function, and using a scan tool to retrieve specific diagnostic trouble codes.

4. Is it safe to continue driving with OBDII code B1373 in a Mercury indicating Front Right Door Handle Unlock Circuit No Sub Type Information?

- It is not recommended to continue driving with this code as it may lead to inconvenience in accessing the front right door and affect the overall security of the vehicle.

5. What are some repair tips for resolving OBDII code B1373 in a Mercury related to the front right door handle unlock circuit?

- Repair tips include replacing a faulty door handle, repairing or replacing damaged wiring or connectors, installing a new door lock actuator if needed, and resetting the control module after completing the repairs.

6. Can I fix OBDII code B1373 in a Mercury myself, or should I seek professional help?

- Depending on your automotive repair skills and tools available, you may be able to fix the issue yourself by following repair guides or tutorials. However, if you are unsure or inexperienced, it is recommended to seek professional help.

7. How much does it typically cost to repair OBDII code B1373 in a Mercury related to the front right door handle unlock circuit?

- The cost of repair can vary depending on the specific cause of the issue. Replacing a door handle or door lock actuator can range from $50 to $200, while fixing wiring or connectors may cost around $100 to $300 including labor charges.

8. Will resetting the OBDII code B1373 in a Mercury automatically resolve the front right door handle unlock circuit issue?

- Resetting the code may temporarily clear the error message, but it will not fix the underlying problem causing the front right door handle unlock circuit issue. It is important to diagnose and address the root cause of the code for a permanent solution.

9. Are there any preventive maintenance tips to avoid OBDII code B1373 in a Mercury related to the front right door handle unlock circuit?

- Regularly inspecting the door handles, checking the wiring for any wear or damage, and addressing any issues promptly can help prevent OBDII code B1373 from occurring in the future.

10. Can OBDII code B1373 in a Mercury impact the functionality of other vehicle systems apart from the front right door handle unlock circuit?

- While the code specifically relates to the front right door handle unlock circuit, it is essential to address the issue promptly as electrical problems in one area of the vehicle can sometimes affect other systems as well.

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