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B1664 Mercury Code - Seat Driver Rear Up/Down Motor Stalled

Quick Answer

The B1664 diagnostic trouble code for Mercury vehicles indicates that the seat driver rear up/down motor has stalled. Common causes include Worn-out or damaged seat motor components, Faulty wiring or connectors in the seat adjustment system, Malfunctioning control module that regulates the seat motor. 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
B1664 Mercury indicates Seat Driver Rear Up/Down Motor Stalled.
Common causes
Common causes include Worn-out or damaged seat motor components, Faulty wiring or connectors in the seat adjustment system, Malfunctioning control module that regulates the seat motor.
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 B1664 Mercury Description

The B1664 diagnostic trouble code for Mercury vehicles indicates that the seat driver rear up/down motor has stalled. This code typically points to an issue with the motor that controls the vertical movement of the driver's seat in the rear portion. When this motor stalls, it can prevent the seat from adjusting its height properly, leading to discomfort for the driver and potentially compromising their ability to operate the vehicle safely.

OBDII Code B1664 Mercury - Seat Driver Rear Up/Down Motor Stalled
B1664 Mercury Code - Seat Driver Rear Up/Down Motor Stalled

Common Causes of B1664 Mercury

  1. Worn-out or damaged seat motor components.
  2. Faulty wiring or connectors in the seat adjustment system.
  3. Malfunctioning control module that regulates the seat motor.
  4. Electrical issues such as blown fuses or relays affecting the seat motor.
  5. Physical obstructions or debris hindering the movement of the seat motor.

Symptoms of B1664 Mercury

  1. Inability to adjust the height of the driver's seat in the rear portion.
  2. Unusual noises coming from the seat adjustment mechanism.
  3. Seat moving unevenly or erratically when attempting to adjust its height.
  4. Seat getting stuck in a certain position and not responding to adjustment commands.

How to Fix B1664 Mercury

  1. Begin by diagnosing the specific cause of the issue using a diagnostic scanner to retrieve the B1664 code and inspecting the seat adjustment system for any visible damage or obstructions.
  2. If the issue is with the seat motor, replace the motor with a new or refurbished unit, ensuring compatibility with the vehicle's make and model.
  3. Check and repair any damaged wiring, connectors, or control module components that may be causing the motor to stall.
  4. Test the seat adjustment system after repairs to ensure that the motor functions correctly and the seat can be adjusted smoothly.
  5. Clear the B1664 trouble code from the vehicle's computer system using the diagnostic scanner to reset the system and verify that the issue has been resolved.

Cost to Fix B1664 Mercury

The typical repair costs for addressing a B1664 code related to the seat driver rear up/down motor stalling can vary depending on the specific cause of the issue and the extent of repairs needed. In general, replacing a seat motor can cost between $200 and $500, including parts and labor. However, additional costs may apply if there are wiring or control module issues that need to be addressed.

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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 B1664 Mercury Code

1. What are the common symptoms of OBDII code B1664 in a Mercury related to the driver rear seat motor?

- The common symptoms include the driver rear seat motor being stuck in one position or completely unresponsive.

2. What are some possible causes of the OBDII code B1664 in a Mercury for the driver rear seat motor issue?

- Potential causes may include a faulty seat motor, wiring issues, blown fuses, or a malfunctioning control module.

3. How can I diagnose the OBDII code B1664 in my Mercury for the driver rear seat motor problem?

- You can start by checking the seat motor connections, inspecting the wiring for damage, and using a diagnostic tool to read the error codes and pinpoint the issue.

4. Is it safe to continue driving my Mercury with the OBDII code B1664 related to the driver rear seat motor?

- It is generally safe to drive the vehicle with this code, but it's recommended to address the issue promptly to avoid any inconvenience or discomfort.

5. Can I repair the OBDII code B1664 issue related to the driver rear seat motor in my Mercury myself?

- If you have experience with automotive repairs and access to the necessary tools, you may be able to repair the issue yourself by replacing the faulty seat motor or addressing wiring problems.

6. Are there any quick tips to troubleshoot the OBDII code B1664 in a Mercury for the driver rear seat motor issue?

- Quick tips include checking the seat motor fuse, ensuring power is reaching the motor, and testing the motor directly with a power source to see if it responds.

7. How much does it typically cost to repair the OBDII code B1664 in a Mercury for the driver rear seat motor problem?

- The cost of repair can vary depending on the exact cause of the issue, but it may range from $100 to $300 for parts and labor.

8. Will resetting the OBDII code B1664 in my Mercury fix the driver rear seat motor problem?

- Resetting the code may temporarily clear the error message, but it will not fix the underlying issue causing the driver rear seat motor problem.

9. What are the long-term consequences of ignoring the OBDII code B1664 in a Mercury related to the driver rear seat motor?

- Ignoring the issue may lead to continued inconvenience and discomfort due to the non-functioning rear seat motor, and it could potentially cause further damage if left unresolved.

10. Can a mechanic easily fix the OBDII code B1664 in my Mercury for the driver rear seat motor issue?

- A qualified mechanic should be able to diagnose and repair the problem efficiently, especially if they have experience working on automotive electrical systems in Mercury vehicles.

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