AutoCodes – Mercury – B1665 Mercury

B1665 Mercury Code - Seat Driver Forward/Backward Motor Stalled

Quick Answer

The Driver Seat Module (DSM) monitors the Seat Driver Forward/Backward Motor. Common causes include Faulty Seat Driver Forward/Backward Motor, Seat Driver Forward/Backward Motor harness is open or shorted, Seat Driver Forward/Backward Motor 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
B1665 Mercury indicates Seat Driver Forward/Backward Motor Stalled.
Common causes
Common causes include Faulty Seat Driver Forward/Backward Motor, Seat Driver Forward/Backward Motor harness is open or shorted, Seat Driver Forward/Backward Motor 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 638
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 12, 2019
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Code B1665 Mercury Description

The Driver Seat Module (DSM) monitors the Seat Driver Forward/Backward Motor. The DSM sets the OBDII code when the Seat Driver Forward/Backward Motor is not to factory specifications.
OBDII Code B1665 Mercury - Seat Driver Forward/Backward Motor Stalled - AutoCodes.com
B1665 Mercury Code - Seat Driver Forward/Backward Motor Stalled

What are the Possible Causes of the DTC B1665 Mercury?

  • Faulty Seat Driver Forward/Backward Motor
  • Seat Driver Forward/Backward Motor harness is open or shorted
  • Seat Driver Forward/Backward Motor circuit poor electrical connection
  • Faulty Driver Seat Module (DSM)

How to Fix the DTC B1665 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 B1665 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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Need Help with the Code?

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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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