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Engine-Codes – Mercury – B1665 Mercury

B1665 Mercury Code - Seat Driver Forward/Backward Motor Stalled

Quick Answer

The B1665 diagnostic trouble code (DTC) for Mercury vehicles specifically indicates that the seat driver forward/backward motor has stalled. Common causes include Faulty driver's seat motor, Damaged wiring or connectors leading to the seat motor, Blown fuse related to the seat motor circuit. 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
B1665 Mercury indicates Seat Driver Forward/Backward Motor Stalled.
Common causes
Common causes include Faulty driver's seat motor, Damaged wiring or connectors leading to the seat motor, Blown fuse related to the seat motor circuit.
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 17, 2024
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Code B1665 Mercury Description

The B1665 diagnostic trouble code (DTC) for Mercury vehicles specifically indicates that the seat driver forward/backward motor has stalled. This code is typically triggered when the vehicle's onboard computer system detects a malfunction in the motor responsible for adjusting the driver's seat position forward or backward. The driver's seat motor is an essential component that allows the driver to adjust their seating position for comfort and proper driving posture. When this motor stalls, it can lead to an inability to adjust the seat position, causing discomfort and potentially compromising the driver's ability to operate the vehicle safely.

OBDII Code B1665 Mercury - Seat Driver Forward/Backward Motor Stalled
B1665 Mercury Code - Seat Driver Forward/Backward Motor Stalled

Common Causes of B1665 Mercury

  1. Faulty driver's seat motor.
  2. Damaged wiring or connectors leading to the seat motor.
  3. Blown fuse related to the seat motor circuit.
  4. Malfunctioning control module responsible for seat adjustments.

Symptoms of B1665 Mercury

  1. Inability to adjust the driver's seat position forward or backward.
  2. Unusual noises coming from the seat motor when attempting to adjust the seat.
  3. Seat movement is slow or jerky when trying to adjust the position.
  4. The seat motor stops working intermittently or fails to respond to commands.

How to Fix B1665 Mercury

  1. Begin by inspecting the driver's seat motor, wiring, and connectors for any visible damage or signs of wear.
  2. Check the fuse related to the seat motor circuit and replace it if necessary.
  3. Test the control module to ensure it is functioning correctly and replace it if it is found to be faulty.
  4. If the seat motor is determined to be the cause of the issue, replace it with a new or refurbished unit.
  5. After completing the repair steps, test the driver's seat motor to verify that it can adjust the seat position smoothly and without any issues.

Cost to Fix B1665 Mercury

The typical repair costs for addressing a B1665 code related to the seat driver forward/backward motor stalled can vary depending on the specific cause of the issue and the labor rates at the auto repair shop. In general, the cost of replacing a faulty seat motor, wiring, fuse, or control module can range from $150 to $500, including parts and labor. However, it is essential to note that diagnosis time and labor rates can vary based on factors such as location, vehicle make and model, and engine type. It is advisable to inquire about local rates at auto repair shops to obtain a more accurate estimate for this repair.

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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 B1665 Mercury Code

1. What are the common symptoms of OBDII code B1665 Mercury Seat Driver Forward/Backward Motor Stalled?

The common symptoms include the driver's seat being unable to move forward or backward using the power seat controls.

2. What are the possible causes of OBDII code B1665 Mercury Seat Driver Forward/Backward Motor Stalled?

Possible causes include a faulty seat motor, damaged wiring or connectors, a blown fuse, or a malfunctioning seat control module.

3. How can I diagnose the issue related to OBDII code B1665 in my Mercury?

You can start by checking the fuse related to the power seat controls, inspecting the wiring and connectors for damage, and testing the seat motor for proper function using a multimeter.

4. Can I repair OBDII code B1665 Mercury Seat Driver Forward/Backward Motor Stalled myself?

If you have experience working with automotive electrical systems, you may be able to repair this issue yourself by identifying and addressing the specific cause, such as replacing a faulty motor or repairing a damaged wire.

5. Is it safe to drive my Mercury with OBDII code B1665 present?

It is generally safe to drive your vehicle with this code, as it primarily affects the functionality of the power seat controls and does not impact the overall drivability or safety of the vehicle.

6. How much does it typically cost to repair OBDII code B1665 in a Mercury?

The cost of repair can vary depending on the specific cause of the issue. Replacing a seat motor or repairing wiring may cost a few hundred dollars, while addressing a more complex issue involving the control module could be more expensive.

7. Can resetting the OBDII codes clear B1665 Mercury Seat Driver Forward/Backward Motor Stalled?

Resetting the codes may temporarily clear the error, but if the underlying issue is not addressed, the code is likely to reappear once the problem is detected again by the vehicle's diagnostic system.

8. Are there any preventative measures I can take to avoid OBDII code B1665 in the future?

Regularly inspecting the power seat controls, wiring, and connectors for any signs of damage or wear can help prevent issues like B1665 from occurring. Additionally, avoiding putting excessive strain on the seat motor by adjusting the seat within its limits can prolong its lifespan.

9. Will disconnecting the battery reset OBDII code B1665 in my Mercury?

Disconnecting the battery may reset the codes temporarily, but if the underlying issue is not addressed, the code is likely to reappear once the problem is detected again by the vehicle's diagnostic system.

10. How urgent is it to address OBDII code B1665 Mercury Seat Driver Forward/Backward Motor Stalled?

While this issue may not be urgent in terms of safety or drivability, it can affect the convenience and functionality of the power seat controls. Addressing the problem in a timely manner can help ensure the comfort of the driver and passengers.

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